STAR MICRONICS SM-L300 Portable Thermal Printer User Manual

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Document ID	3218455
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Document Description	User Manual
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Document Type	User Manual
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Date Submitted	2016-12-06 00:00:00
Date Available	2016-12-06 00:00:00
Creation Date	2016-11-28 14:32:54
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Document Lastmod	2016-11-28 14:32:54
Document Title	User Manual

Portable Thermal Printer
SM-L304& SM-L300 SERIES
User Manual

Federal Communications Commission
Radio Frequency Interference Statement
This device complies with Part 15 of the FCC Rules and Industry Canada licence-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence.
L'exploitation est autorisée aux deux conditions suivantes :
(1) l'appareil ne doit pas produire de brouillage, et
(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible
d'en compromettre le fonctionnement.
FCC WARNING
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment.
For compliance with the Federal Noise Interference Standard, this equipment requires a shielded cable. For RF
interference suppression, if a ferrite core is provided with this evice, affix it to the interface cable.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator & your body.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment of and on, the
user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.
CAN ICES-3 (B) / NMB-3 (B)
This equipment complies with FCC/IC radiation exposure limits set forth for an uncontrolled environment and
meets the FCC radio frequency (RF) Exposure Guidelines in Supplement C to OET65 and RSS-102 of the IC radio
frequency (RF) Exposure rules. This equipment has very low levels of RF energy that it deemed to comply without
maximum permissive exposure evaluation(MPE). But it is desirable that it should be installed and operated keeping
the radiator at least 20cm or more away from person's body (excluding extremities: hands, wrists, feet and ankles).
Cet équipement est conforme aux limites d"exposition aux rayonnements énoncées pour un environnement
non contrôlé et respecte les règles les radioélectriques (RF) de la FCC lignes directrices d'exposition dans le
Supplément C à OET65 et d"exposition aux fréquences radioélectriques (RF) CNR-102 de l"IC. Cet
équipement émet une énergie RF très faible qui est considérée conforme sans évaluation de l"exposition
maximale autorisée. Cependant, cet équipement doit être installé et utilisé en gardant une distance de 20 cm
ou plus entre le dispositif rayonnant et le corps (à l"exception des extrémités : mains, poignets, pieds et
chevilles)
The above statement applies only to equipments marketed in U.S.A.

English:
Hereby, STAR MICRONICS CO.,LTD. declares that this Wireless Device is in compliance with the
essential requirements and other relevant provisions of Directive 2014/53/EU.
Deutsch:
Hiermit erklärt STAR MICRONICS CO.,LTD., dass sich das Gerät Wireless Device in
[German]
Übereinstimmung mit den grundlegenden Anforderungen und den übrigen einschlägigen
Bestimmungen der Richtlinie 2014/53/EU befidet.
Svenska:
Härmed intygar STAR MICRONICS CO.,LTD. att denna Wireless Device står I överensstämmelse
[Swedish]
med de väsentliga egenskapskravoch övriga relevanta bestämmelser som framgår av direktiv
2014/53/EU.
Español:
Por medio de la presente STAR MICRONICS CO.,LTD. declara que el Wireless Device cumple con
[Spanish]
los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva
2014/53/UE.
Português:
STAR MICRONICS CO.,LTD. declara que este Wireless Device está conforme com os requisitos
[Portuguese]
essenciais e outras disposições da Directiva 2014/53/UE.
Français:
Par la présente STAR MICRONICS CO.,LTD. déclare que l’appareil Wireless Device est conforme
[French]
aux exigences essentielles et aux autres dispositions pertinentes de la directive 2014/53/UE.
Suomi:
STAR MICRONICS CO.,LTD. vakuuttaa täten että Wireless Device tyyppinen laite on direktiivin
[Finnish]
2014/53/EU oleellisten vaatimusten jasitä koskevien direktiivin muiden ehtojen mukainen.
Italiano:
Con la presente STAR MICRONICS CO.,LTD. dichiara che questo Wireless Device è conforme ai
[Italian]
requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 2014/53/UE.
Dansk:
Undertegnede STAR MICRONICS CO.,LTD. erklærer herved, at følgende udstyr Wireless Device
[Danish]
overholder de væsentlige krav og øvrige relevante krav i direktiv 2014/53/EU.
Nederlands:
Hierbij verklaart STAR MICRONICS CO.,LTD. dat het toestel Wireless Device in overeenstemming
[Dutch]
is met de essentiële eisen en de andere relevante bepalingen van richtlijn 2014/53/EU.
Eesti:
Käesolevaga kinnitab STAR MICRONICS CO.,LTD. seadme Wireless Device vastavust direktiivi
[Estonian]
2014/53/EL põhinõuetele ja nimetatud direktiivist tulenevatele teistele asjakohastele sätetele.
Ελληνική:
ΜΕ
[Greek]
ΣΥΜΜΟΡΦΩΝΕΤΑΙ ΠΡΟΣ ΤΙΣ ΟΥΣΙΩΔΕΙΣ ΑΠΑΙΤΗΣΕΙΣΚΑΙ ΤΙΣ ΛΟΙΠΕΣ ΣΧΕΤΙΚΕΣ ΔΙΑΤΑΞΕΙΣ
ΤΗΝ
ΠΑΡΟΥΣΑ
STAR
MICRONICS
CO.,LTD.
ΔΗΛΩΝΕΙ
ΟΤΙ
Wireless
Device
ΤΗΣ ΟΔΗΓΙΑΣ 2014/53/EE.
Slovensky:
STAR MICRONICS CO.,LTD. týmto vyhlasuje, že Wireless Device spĺňa základné požiadavky a
[Slovak]
všetky príslušné ustanovenia Smernice 2014/53/EÚ.
Slovensko:
STAR MICRONICS CO.,LTD. izjavlja, da je ta Wireless Device v skladu z bistvenimi zahtevami in
[Slovenian]
ostalimi relevantnimi določili direktive 2014/53/EU.
Česky:
STAR MICRONICS CO.,LTD. tímto prohlašuje, že tento Wireless Device je ve shodě se základními
[Czech]
požadavky a dalšími príslušnými ustanoveními smernice 2014/53/EU.
Magyar:
Alulírott, STAR MICRONICS CO.,LTD. nyilatkozom, hogy a Wireless Device megfelel a vonatkozó
[Hungarian]
alapvetõ követelményeknek és az 2014/53/EU irányelv egyéb elõírásainak.
Български:
това Безжично устройство е в съответствие със задължителните изисквания и другите
[Bulgarian]
приложими разпоредби на Директива2014/53/EC.
Polski:
Niniejszym STAR MICRONICS CO.,LTD. oświadcza, że Wireless Device jest zgodny z
[Polish]
zasadniczymi wymogami oraz pozostałymi stosownymi postanowieniami Dyrektywy 2014/53/UE.
Malti:
Hawnhekk, STAR MICRONICS CO.,LTD., jiddikjara li dan Wireless Device jikkonforma mal-ħtiġijiet
[Maltese]
essenzjali u ma provvedimenti oħrajn relevanti li hemm fid-Dirrettiva 2014/53/UE.
Latviski:
Ar šo STAR MICRONICS CO.,LTD. deklarē, ka Wireless Device atbilst Direktīvas 2014/53/ES
[Latvian]
būtiskajām prasībām un citiem ar to saistītajiem noteikumiem.
Lietuvių :
Šiuo STAR MICRONICS CO.,LTD. deklaruoja, kad šis Wireless Device atitinka esminius
[Lithuanian]
reikalavimus ir kitas 2014/53/ES Direktyvos nuostatas.
Norsk:
STAR MICRONICS CO.,LTD. erklærer herved at utstyret Wireless Device er i samsvar med de
[Norwegian]
Română :
[Romanian]
Hrvatski :
[Croatian]
grunnleggende krav og øvrige relevante krav i direktiv 2014/53/EC.
Prin prezenta STAR MICRONICS CO., LTD. declară că acest dispozitiv este conform cu cerinţele
esenţiale și alte prevederi relevante ale directivei 2014/53/UE.
Ovime Star Micronics CO., LTD. Izjavljuje da je bežični uređaj
u skladu s osnovnim zahtjevima i drugim važnim odredbama direktive 2014/53/EU.
Italy:
The public use is subject to general authorisation by the respective service provider.
Norway:
This subsection does not apply for the geographical area within a radius of 20 km from the centre of
Ny-Ålesund.
Trademark acknowledgments
SM-L300: Star Micronics Co., Ltd.
Notice

All rights reserved. Reproduction of any part of this manual in any form whatsoever, without STAR’s
express permission is forbidden.

The contents of this manual are subject to change without notice.

All efforts have been made to ensure the accuracy of the contents of this manual at the time of going
to press. However, should any errors be detected, STAR would greatly appreciate being informed of
them.

The above notwithstanding, STAR can assume no responsibility for any errors in this manual.

iPad, iPhone, iPod, iPod touch, and Retina are trademarks of Apple Inc., registered in the U.S. and
other countries. iPad Air, iPad mini, and Lightning are trademarks of Apple Inc.
IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used
under license.

Android is a trademark of Google Inc.

Windows is registered trademarks of Microsoft Corporation.

The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc.
Caution Symbol
This symbol is placed near the thermal head to indicate that it may be hot.
Never touch the thermal head immediately after the printer has been used. Let the
thermal head cool for a few minutes before touching it.
This symbol is placed near the thermal head to indicate that it is easily damaged.
Observe the precautions for handling electrostatic sensitive devices.
Safety Precautions
Please be sure to read
To use this product in safety, please follow the precautions given below.
WARNING
 If you notice smoke, a strange smell, or a strange sound, turn off the power immediately, and remove
the USB cable and/or battery pack. Then contact the dealer.
 If any foreign material (metal scraps, water, or other fluid) enters the printer, immediately turn off the
printer and remove the USB cable and/or battery pack. Then, contact your dealer for advice.
Continued use of the printer could result in a fire.
 Never attempt to repair the printer yourself. Also do not disassemble or modify the product. Doing so
could lead to injury, fire, or electric shock.
 Do not touch the tear bar.

There is a tear bar inside the paper outlet slot. Neither put your hand in the paper outlet slot while
printing is in progress, or put your hand into the outlet even when printing is not in progress.

The printer cover can be opened when replacing the paper. However, since the tear bar is on the
inside of the printer cover, be careful not to place your face or hands too close to the tear bar.
 During and immediately after printing, the area around the thermal head is very hot. Do not touch it, as
you could be burned.
 If any battery fluid gets on your skin or clothing, immediately wash the affected area with fresh water.
Otherwise, skin damage may result.
 The battery pack may be hot immediately after the product has been used.

Using the Printer
 Some semiconductors can be damaged by static electricity. Be sure to turn off the printer when
inserting or removing the battery pack.
 Do not drop the printer or hit it against a hard object.
 Do not open the printer cover while the printer is printing.
 Before you open the printer cover, make sure that printing data is not being sent to the printer.
 Do not unplug or plug in a USB cable while the printer is printing or during communication.
 Do not touch a USB connector while the printer is printing.
 Turn off the printer when you are not using it.
 When the printer is used in a low temperature environment, the battery's performance will be
diminished, and the amount of time that you can use the printer for may be reduced.
 Do not pull out paper while the printer cover is closed.
 The heating element and the driver IC of the thermal head are easily damaged. Do not touch them
with metal objects, sandpaper, etc.
 Printing quality may suffer if the thermal head heating element becomes soiled by being touched with
your hands. Do not touch the thermal head heating element.
 There is a risk of damage to the driver IC of the thermal head from static electricity.
Never directly touch the IC.
 Do not operate the printer if there is moisture on the front surface of the head from condensation, etc.

Thermal Paper Handling
 Only use thermal paper with the designated specifications. The printing quality and working life of the
thermal head cannot be guaranteed if any paper other than that recommended is used. In particular, if
ion concentration of [Na+, K+, Cl-] is high, it may drastically reduce the working life of the thermal
head. Please exercise caution.
 Store the thermal paper in a cool, dry, dark location.
 Do not rub the thermal paper with a hard object.
 Do not leave the thermal paper in contact with plastic film, an eraser, or adhesive tape for a long
period of time.
 Do not stack the thermal paper on fresh diazo copies or wet-type copies.
 Do not use chemical glue on the thermal paper.
 Do not use thermal paper that has been stored for a long period.

Operating Environment for the Printer
Before actually unpacking the printer, you should take a few minutes to think about where you plan to
use it. Remember the following points when doing this.
 Do not use the printer in an environment in which it will be subject to strong shaking while it is printing.
 Be careful to ensure that the printer is not exposed to direct sunlight.
The appropriate environment for using the printer is described below.
Temperature: 0°C to 50°C
Humidity: 20% RH to 85% RH (Must be no condensation)
 Do not place the printer near a copying machine or other device that produces a strong
electromagnetic field.
 Keep the printer sufficiently removed from heaters and other sources of heat.
 Use the printer in a clean, low-humidity environment that is free from dust.
 Avoid using the printer in high-humidity rooms.

Printer Maintenance
Please perform the following maintenance every 6 months.
 Thermal head
Dip a cotton swab in an alcohol solvent (ethanol, methanol, or isopropyl alcohol), and clean
the heating area of the head.
 Platen
While turning the platen, use a soft dry cloth to lightly rub the entire surface of the platen
and remove any foreign objects.
 Paper storage unit and the surrounding area
Remove any dirt, dust, pieces of paper, etc., from the paper storage unit.
 Card reader
Regularly blow air onto the card reader to remove any dust from the card slot.

Maintenance for using Linerless Label Paper
Please perform the following maintenance every 100 meters .The maintenance is also
required if you find the glue is stuck when a paper roll is ended.
Remove any dirt, dust, pieces of paper, etc.

Using a Magnetic Card
 Do not bring magnets near the card, and do not store the card near a device that produces a magnetic
field (such as a mobile phone, speaker, or TV). If you do so, the data on the card may be deleted.
 Do not leave the card in a high-temperature environment (such as the dashboard of a car).
Otherwise, the card may bend.
 Do not touch the card with dirty or wet hands. Also, do not attach adhesive tape or glue to the card.
Failing to follow the above precautions could cause the card to stop working properly.
Table of Contents
1. Product Overview....................................................................................................................................................... 12
1.1 Printer & Accessories ................................................................................................................................... 13
1.2 Appearance and Components .................................................................................................................... 14
2. Setup .......................................................................................................................................................................... 16
2.1 Battery Pack .................................................................................................................................................. 16
2.1.1 Inserting into the Printer ................................................................................................................... 16
2.1.2 Charging the Battery ......................................................................................................................... 17
2.2 Bluetooth ........................................................................................................................................................ 20
2.2.1 Pairing ................................................................................................................................................. 20
2.3 Loading Paper ............................................................................................................................................... 21
2.3.1 De-curl Setting ................................................................................................................................... 21
2.3.2 Paper Guide Adjustment .................................................................................................................. 23
2.3.3 Loading paper to the printer............................................................................................................. 24
2.4 Belt Clip .......................................................................................................................................................... 26
2.4.1 Attaching to the Printer ..................................................................................................................... 26
2.4.2 Using the Belt Clip............................................................................................................................. 26
3. Control Panel & Buzzer .............................................................................................................................................. 27
3.1 Button ............................................................................................................................................................. 27
3.2 LED & LCD Display / Error .......................................................................................................................... 28
3.2.1 LED & LCD Display........................................................................................................................... 28
3.2.2 LED & LCD Display for Error ........................................................................................................... 31
3.3 Self Test............................................................................................................................................................ 34
3.3.1 Self Test Procedure ........................................................................................................................... 34
3.3.2 Printing the Bluetooth Device Name and MAC Address ............................................................. 34
3.4 Memory Switch Settings (Using Buttons On the Printer)........................................................................ 35
3.5 Hex Dump Mode ........................................................................................................................................... 41
3.6 Instruction for Power Management ............................................................................................................ 42
3.6.1 Standby Time ..................................................................................................................................... 42
3.6.2 Auto-Off Time ..................................................................................................................................... 42
3.6.3 Smart Power Option.......................................................................................................................... 42
4. Magnetic Card Reader (For MSR model only) ............................................................................................................ 44
5. Paper .......................................................................................................................................................................... 46
5.1 Paper Specification....................................................................................................................................... 46
5.2 Recommended Paper .................................................................................................................................. 49
5.3 Printing Range .............................................................................................................................................. 49
5.3.1 Receipt (thermal) Paper ................................................................................................................... 50
5.3.2 Label Paper ........................................................................................................................................ 50
5.4 Specification of Black Mark ......................................................................................................................... 51
5.4.1 Receipt Paper .................................................................................................................................... 51
5.4.2 Label Paper ........................................................................................................................................ 52
5.5 Specifications of LABEL GAP ..................................................................................................................... 52
6. General Specification ................................................................................................................................................. 53
7. Detailed Specification ................................................................................................................................................ 56
8. Memory Switch Specifications ................................................................................................................................... 58
9. How to Display the Model Name ............................................................................................................................... 73
10. Interface ................................................................................................................................................................... 74
10.1 USB .............................................................................................................................................................. 74
10.2 Bluetooth...................................................................................................................................................... 75
11. Specifications of Accessories.................................................................................................................................... 76
11.1 Battery Pack ................................................................................................................................................ 76
11.2 Belt Clip ........................................................................................................................................................ 76
11.3 USB Cable ................................................................................................................................................... 76
11.4 Ferrite Core .................................................................................................................................................... 77
12. Troubleshooting Procedure...................................................................................................................................... 78
12.1 Troubleshooting Guide .............................................................................................................................. 79
12.1.1 Power Supply Failure ..................................................................................................................... 79
12.1.2 Printing Failure ................................................................................................................................ 80
12.1.3 Sensor Failure ................................................................................................................................. 81
12.1.4 Paper Feed Failure ......................................................................................................................... 82
13. Fitting Regulation ..................................................................................................................................................... 83
13.1 Printer........................................................................................................................................................... 83
13.2 Battery Pack ................................................................................................................................................ 83
14. Release History......................................................................................................................................................... 84
This manual supports the following firmware version.
Firmware Version
Ver.1.0
Refer to the appropriate manual which supports the firmware version of you printer.
The firmware version can be confirmed by the self-test.(Refer to 3.3 Self-test)
1. Product Overview
This printer is perfect for mobile banking systems, retail, POS (point of sale) terminals and other
forms of mobile computing.
The characteristics of this printer are listed below:
• Support Adhesive Label Paper and Linerless Label paper
• Support to switch the de-curl function when receipt is used.
• Adjustable range of Roll Paper Width : 40 to 80mm
• Very silent printing direct thermal printing method
• Print maximum speed 65mm/s (Paper feed maximum speed 65mm/s)
• Support Bluetooth Ver3.0/4.0[BLE] Dual Mode
• Support Secure Magnetic Stripe Reader 
*AES or 3DES encryption
*DUKPT Key Management
• Support Graphic LCD(128x64 dots) with Blue Backlight
• Belt Clip as a standard accessory
• Support text, barcode and graphic printing
• Drop-in design that makes it easy to load paper
•This printer is supported with the printer cover open sensor, paper end sensor, black mark sensor,
transmissive sensor(gap sensor), thermal head thermister and printer internal thermister.
1.1 Printer & Accessories
The printer is packaged with the following accessories.
If any of these accessories is broken or missing, please contact the dealer that you bought the
product.

Standard Accessories
Printer
Belt Clip
Ferrite Core

Battery Pack
USB Cable
Ferrite Core Instruction Sheet
Optional Accessories
AC adapter
Note: The AC adapter vary by local or region.
Sample Roll Paper
Safety Instruction Sheet
1.2 Appearance and Components
NOTE: Only SM-L304 MSR model has the Magnetic Stripe Reader.
2. Setup
2.1 Battery Pack
2.1.1 Inserting into the Printer
1. Make sure that the printer has been turned off before you insert or remove the battery pack.
2. Insert the battery pack into the back of the printer as in the figure shown below, following the
direction of the arrow.
3. To remove the battery back, pull back the hook, and use the opposite procedure from the one
you used to insert the battery pack.
2.1.2 Charging the Battery
Insert the battery pack into the printer to charge it.
Plug in socket with USB charging.
When battery pack runs out of power, the battery icon will flash. It powers off automatically when
continues printing. If you want to go on, please charge it.
Battery charging:
 POWER lamp will always flash in green color and goes off when fully charged.
 Charging the printer when it is on, even if battery icon on the LCD shows fully charged, turn off
the printer and let the battery charge until the POWER lamp goes off for fully charge.
NOTE: However, a low-grade car charger may cause a trouble due to a sudden change of
voltage. Use the charger that satisfies the USB standard.
Notes about the Battery Pack
 General Battery Characteristics

The battery is a consumable and its performance over time gradually decreases.

While not in use of printer, the battery will slowly discharge itself.

Prepare a battery pack that has been charged relatively recently (1 to 2 days earlier).

To ensure that the battery lasts for a long time, we recommend that you turn off the printer
whenever possible.

When used at low temperatures, battery performance will temporarily decline. Be sure to have a
fully-charged spare battery standing by if the printer will operate in a cold environment.
 Charging the Battery Pack

The battery pack can be charged at ambient temperatures between 0°C and 40°C.

The time required to charge the battery pack varies depending on the residual amount of battery,
electrical current and the ambient temperature. Normally, it takes 5 to 6 hours to charge the
battery pack.

It will take longer to charge the battery from the PC than by the USB charger.

It will take longer to charge the battery pack if you print while charging the battery pack.

Do not remove the battery pack while it is being charged.

Fully charge the battery prior to using the printer.

There is no need to completely discharge or use up a rechargeable Lithium-ion battery before
recharge it.

It is normal for the battery pack to be hot after it has finished charging or been used.

Do not recharge a battery pack that has just been fully charged.
 Battery Pack Life

The battery can be charged approximately 300 times in the normal temperature range without
losing performance. If an extreme decline in the running time of the battery is noticed, the
battery is reaching the end of its usable life. It is recommended to replace the old battery with a
new one.
 Notes about Using the Battery Pack

Only use a designated battery pack.

Only use the designated battery charging method.

You cannot use a USB cable other than the designated USB cable.

Do not throw the battery into a fire, place it near a flame or heating device, or leave it in a hot
environment (under direct sunlight, in a car, etc.).

Do not use a battery pack that has been dropped or subjected to a shock in some other way.

Do not disassemble or modify the battery pack.

Do not short the terminals of the battery pack or get it wet.

Do not place the battery pack in a bag with a small metal object (such as a key).

If any battery fluid gets on your skin or clothing, immediately wash the affected area with fresh
water. Otherwise, skin damage may result.
 Notes about Storing the Battery Pack

The characteristics of the battery pack may degrade if you store it in a full-charged state for a
long period of time. If you do not intend to use the battery pack for a while, store it in approx.
50%-charged state.

If you do not intend to use the battery pack for a long time, be sure to remove it from the printer.

Keep the battery out of the reach of children. In addition, be careful that children do not remove
the battery.

Store the battery pack in a cool place.
* We recommend that you store the battery pack in a dry area with an ambient temperature
of 15 to 25 ºC.
* Avoid storing the battery in locations with high or extremely low temperatures.
 Battery Disposal and Recycling
A battery pack is used to power this device. Since the disposal process of batteries varies from
country to country, refer to the appropriate measures mandating the disposal method of the
country in which this device is used.
To prevent unrecoverable damage to the battery, keep in your mind the following guidelines.
- If the battery pack is not in use for a long time, please remove it after charging up to 50%.
During storage, please charge the battery pack up to 50% every 3 months.
- When power is low, battery should be charged in time.
- If the printer automatically power down because of low power, be sure to charge the battery in 15
days.
< For U.S.A. and Canada >
Lithium-Ion batteries are recyclable. You can help preserve our environment
by returning your used rechargeable batteries to the collection and recycling
location
nearest
rechargeable
you.
batteries,
http://www.rbrc.org/
For
more information
call
toll
free
regarding
recycling
1-800-822-8837,
or
of
visit
2.2 Bluetooth
2.2.1 Pairing
1. Press and hold MODE button for approx. 2 seconds, and printer is turned on.
Then, it is ready to pair with another Bluetooth device.
2. Select the device name and enter the PIN code as shown below.
PIN: 1234 (default)
Device name: “STAR L300-XXXXX”(default)
(XXXXX is the last digits of the Product Serial Number. The device name displayed during
pairing varies depending on the product. It can be checked from the [BD Name] that is printed
when printer self-printing is performed (power is turned ON while depressing the FEED button).
Notes:
1.SM-L300 has two Bluetooth modes:
a) One is Bluetooth Ver3.0 with PIN for Android or Windows system. PIN and Device name
can be changed through Star Utility. To obtain this utility, please contact with your dealer.
b) Another is Bluetooth 4.0(BLE) without PIN for iOS system.
2.SM-L300 changes the Bluetooth mode automatically by host system.
3.Pairing sets one by one in order, otherwise it can‘t figure out which one succeeds in
pairing.
The Bluetooth
®
word mark and logos are owned by the Bluetooth SIG, Inc. and any use of
such marks by Star is under license.(Design and specifications subject to change without
notice.)
You can test the connectivity with a host device by using Star IO SDK Application which
is available on Apple Store and Google play.
2.3 Loading Paper
2.3.1 De-curl Setting
This function is to make the receipts straight. It can set ON or OFF by de-curl switching lever.
(*Default: OFF)
Notes: Be careful not to forcibly pull or push the de-curl mechanism part. The decal
mechanism part may become damaged if strong force is applied.
De-curl mechanism part
1. Press the cover open button to open the printer cover.
De-curl Switching Lever
2. The de-curl switching lever is set to OFF by default, and you need to be set to ON if you would
like to use this function.
OFF
ON
(default)
(Receipt paper/Label paper/Linerless Label paper)
(Receipt paper only)
3. Set the de-curl switching lever to OFF when label paper or lineress label paper is used.
Note: If the paper thickness of the receipt is out of specification, it may cause a paper feed
failure. In that case, please set the de-curl switching lever to OFF.
2.3.2 Paper Guide Adjustment
Press and hold the paper guide button, push the paper guide so that it can be moved to adjusted
and fixed the paper roll.
Paper Guide Button
*Example: When using a width 58mm roll paper, press and hold the paper guide button, push the
paper guide to the position of 58 so that it can be adjusted and fixed the width 58mm roll paper.
2.3.3 Loading paper to the printer
Refer to Section 5 “Paper”, to select roll paper that conforms to the specifications.
1. Press the cover open button to open the printer cover.
2. Load the roll paper in the orientation shown in the figure below.
3. Pull the end of the roll straight toward you. Then press down on both sides of the printer cover to
close it firmly. When you close the printer cover, make sure that it is closed on both sides.
4. Use the tear bar to cut the extra paper.
CAUTION
When ERROR lamp is flashing, please make sure the cover is closed correctly. If it’s not,
open the cover and close it correctly.
When the paper is jammed, be sure to open the printer cover before removing the
jammed paper.
Do not under any circumstances try to pull out the jammed paper forcefully while the
printer cover is closed, doing so may damage parts of the printer.
Caution Symbol
This symbol is placed near the thermal head to indicate that it may be hot. Never
touch the thermal head immediately after the printer has been used. Also, even
when the thermal head is not hot, do not touch it, because static electricity can
damage the devices inside the thermal head.
WARNING
1) Do not touch the tear bar.
• There is a tear bar inside the paper outlet slot. You could neither put your hand in the
paper
outlet slot while printing is in progress nor put your hand into the outlet even when
printing is
not in progress.
• The paper cover can be opened when replacing the paper. However, since the tear bar is
on the inside of the paper cover, be careful not to place your face or hands too close to
the tear bar.
2) During and immediately after printing, the area around the thermal head is very hot. Do
not touch it, as you could be burned.
2.4 Belt Clip
2.4.1 Attaching to the Printer
Follow the procedure below to attach the belt clip to the printer.
1. Make sure that you are attaching the belt clip in the right orientation, then turn the screw that
comes with the belt clip into the designated screw hole to attach the belt clip to the printer.
Use a straight slot screw driver to firmly screw in the screw hole.
2.4.2 Using the Belt Clip
When the printer is attached to your belt, you can use it like the picture below.
Note: Be careful not to drop when use a belt clip. Velcro be securely fixed.
Hold the printer firmly with your hand when you swipe a magnetic stripe card or cut
paper. If it is not held firmly, you may fail to read card data or cannot cut paper smoothly
with the tear bar.
3. Control Panel & Buzzer
3.1 Button
1) MODE Button:
Pressing and holding the MODE button for 2 seconds or more will turn the power on or off.
2) FEED Button :
When the printer is on, paper can be fed manually by pressing and holding the FEED button for
more than one second.

Pressing and holding MODE & FEED buttons for 5 seconds will put the printer into Memory
Switch Setting mode. The MODE button can now be used to change Printer MODE status
visible on the LCD screen for fast configuration .
(Please refer to 3.4 Memory Switch Settings for details about mode conversion.)
3.2 LED & LCD Display / Error
3.2.1 LED & LCD Display
Table1-1
Lamp
Status
Action
Printer Initialization(Power On)
LCD
Power
Error
(Green)
(Red)
ON
OFF
Buzzer
LCD back Light, [Discription]
Backlight ON
Beep
[Printer Status:Online]
(A->B->C)
Power
USB Cable is not connected
OFF
OFF
Backlight OFF
OFF
USB Cable is
Battery Full
OFF
OFF
Backlight OFF
connected
Battery Empty
Flashing
OFF
Backlight OFF
On-Line
Bluetooth
Bluetooth connected
ON
OFF
Backlight ON
(Idle)
(COM)
Beep
(D->E->F)
Nothing
Maintain the original state
Bluetooth Icon ON
USB Cable is not
Bluetooth disconnected
ON
OFF
connected
Backlight ON
Nothing
maintain the original state
Bluetooth Icon OFF
Stand-by
1sec
OFF
Backlight OFF
Nothing
OFF
Backlight ON
Nothing
Flashing
Return from Stand-by
ON
maintain the original state
USB
USB Cable
Battery Full
is
Backlight ON
ON
OFF
connected
Nothing
maintain the original state
Battery Icon
Battery Full Icon
Normal
Battery is
600ms
not Full
Flashing
OFF
Backlight ON
maintain the original state
Beep
Battery Icon
(G)
Charge Icon
Stand-by
1sec
OFF
Backlight OFF
Nothing
Backlight ON
Nothing
Flashing
Return from Stand-by
Taking off
cable
Battery Full
Normal
ON
OFF
ON
OFF
maintain the original state
Backlight ON
maintain the original state
Battery Icon
Battery Full Icon
Nothing
Table1-2
Lamp
Status
On-Line
USB
(Idle)
Action
Power
Error
(Green)
(Red)
OFF
Taking off
Battery is
600ms
cable
not Full
LCD
Buzzer
LCD back Light, [Discription]
Backlight ON
Beep
Flashing
maintain the original state
(G->G->G)
=>ON
Battery Icon
Charge Icon
Stand-by
1sec
OFF
Backlight OFF
Nothing
OFF
Backlight ON
Nothing
Flashing
Return from Stand-by
ON
maintain the original state
MSR
Waiting for swiping
ON
OFF
Mode
Backlight ON
Nothing
[]
Stand-by
ON
OFF
Succeeded decoding
ON
OFF
Backlight ON
Nothing
maintain the original state
Failed decoding
Receiving Data
Printing Data
ON
ON
OFF
OFF
(Including busy state)
Other
Backlight ON
Beep
maintain the original state
(G)
Backlight ON
Beep
maintain the original state
(G->G->G)
Backlight ON
Nothing
[Printing…]
ON
OFF
Backlight ON
Nothing
maintain the original state
Menu Operation Mode
Enter Menu Operation
ON
OFF
Mode
While Menu Operation
Backlight ON
Beep
[Enter Menu Mode]
(G-.G)
Backlight ON
Mode
maintain the original state
When push
the button
Beep(G)
Self
Printing
Get out Menu
Backlight ON
Operation Mode
maintain the original state
Before printing
ON
OFF
Test
Backlight ON
Nothing
Nothing
[Press Feed To Print]
While printing
Backlight ON
Nothing
[Printing…]
After printing
Backlight ON
Nothing
Self test menu
MSR
Reading
Online
ON
OFF
MSR
Backlight ON
Nothing
[Please Swipe Card]
Error
Succeeded decoding
Failed decoding
ON
ON
Flashi
Backlight ON
Nothing
ng
[Printer not ready...]
OFF
Backlight ON
Beep
[Please Swipe Card]
(G)
Backlight ON
Beep
[Please Swipe Card]
(G-G)
Table1-3
Lamp
Status
MSR
Action
Injecting key
Online
LCD
Power
Error
(Green)
(Red)
ON
OFF
Buzzer
LCD back Light, [Discription]
Backlight ON
Nothing
[Please Inject Key...]
Succeeded key injection
Failed key injection
Hex Dump Mode
ON
OFF
Backlight ON
Beep
[Key Injection:Success]
(G)
Backlight ON
Beep
[Key Injection:Error]
(G-G)
Backlight ON
Nothing
[Hex Dump Mode]
Self Test Printing
While printing
ON
OFF
at the button operation
Backlight ON
Nothing
[Printing…]
After printing
Backlight ON
Nothing
maintain the original state
Writing Firmware
Enter Writing Mode
Backlight OFF
Nothing
While Writing
ON
OFF
Backlight OFF
Nothing
Finish Writing
Backlight OFF
Nothing
(Power is also OFF)
Notes:
a) Bluetooth Status icon, Battery status icon and Roll paper Status Icon are always displayed
on LCD when Blacklight is ON.
b) Buzzer sound frequency or pattern
A : 530Hz/192msec
E : 667Hz/96msec
B : 670Hz/192msec
F : 537Hz/96msec
C : 800Hz/192msec
G : 800Hz/96msec
D : 800Hz/96msec

Bluetooth Status Icon:
Icon
Bluetooth Status
No Bluetooth connection
Bluetooth connection

Battery Status Icon:
Icon
Battery Status and Voltage
Empty
7.2~7.4V
The remaining battery power is extremely low
*Less than 7.2V Please turn off the printer
1 bar
7.4~7.5V
The remaining battery power is low. Please charge the battery pack
2 bars
7.5~7.6V
3 bars
7.6~7.9V
4 bars
7.9~8.4V
There is sufficient remaining battery power
Charging

Roll Paper Status Icon:
Icon
Roll Paper Status
With receipt paper
Without paper
Thermal paper with BM backside
Label paper with gap
3.2.2 LED & LCD Display for Error
Lamp
Status
Error
Recoverable
LCD
Action
No paper error
Happened
Power
Error
(Green)
(Red)
ON
Flashing
Buzzer
LCD back Light, [Discription]
Backlight ON
Error
[Printer Status:Out of Paper]
Beep
*Buffer is
Roll paper Icon
(G->G)
cleared.
without paper
Recovered
ON
OFF
Backlight ON
[Printer Status:Online]
Beep
Roll paper Icon
(G)
maintain the original state
Cover open
Happened
ON
Flashing
error
Recovered
ON
Backlight ON
Beep
[Printer Status:Cover Open]
(G->G)
Depend
Backlight ON
on paper
maintain the original state
Flashing
Beep
(G)
or OFF
Black Mark Sensor error
ON
Flashing
Backlight ON
[Printer Status:
Beep
(G->G)
Black Mark Error]
Gap Sensor error
ON
Flashing
(Transmissive Sensor error)
Backlight ON
[Printer Status:
Beep
(G->G)
Gap Sensor Error]
Auto
Heat
Recoverable
Protection of
Error
Thermal
Happened
ON
Flashing
Nothing
[TPH Thermistor detecting]
Recovered
ON
OFF
Printer Head
Unrecoverable
Backlight ON
MSR error
Backlight ON
Nothing
[TPH Thermistor detecting]
ON
Flashing
Backlight ON
Beep
[Printer Status:MSR Error]
(G->G->G)
Backlight ON
Beep
[Printer Status:BM Adjust Error]
(G->G->G)
Backlight ON
Beep
(Transmissive Sensor
[Printer Status:Gap Adjust
(G->G->G)
Adjustment error)
Error]
Error
Black Mark Sensor
ON
Flashing
Adjustment error
Gap Sensor Adjustment error
Thermal Head
ON
ON
Flashing
Flashing
Thermister error
Backlight ON
Beep
[Printer
(G->G->G)
Status:ThermalHead[Error]
Printer Internal
Thermister error
ON
Flashing
Backlight ON
Beep
[Printer Status:Priter Error]
(G->G->G)
Notes:
a) Bluetooth Status icon, Battery status icon and Roll paper Status Icon are always displayed
on LCD when Blacklight is ON.
b) Buzzer sound frequency or pattern
A : 530Hz/192msec
E : 667Hz/96msec
B : 670Hz/192msec
F : 537Hz/96msec
C : 800Hz/192msec
G : 800Hz/96msec
D : 800Hz/96msec
3.3 Self Test
You can use self test to check the printer’s settings.
Before you start the self test, make sure that roll paper has been properly loaded into the printer.
3.3.1 Self Test Procedure
1) Turn on the power while holding down FEED button.
2) The printer will print the current printer status, including the firmware version,
communication mode, print settings and QR code that links to the users Manual Download
site.
3) The self test will finish automatically. The printer will be ready to receive data after the self
test finishes.
3.3.2 Printing the Bluetooth Device Name and MAC Address
1) Follow the procedure in section 3.3.1 to perform a self test.
2) Before the self test finishes, press and hold FEED and MODE at the same time.
3) The printer will print the Bluetooth device name and MAC address.
3.4 Memory Switch Settings (Using Buttons On the Printer)
Change the memory switch by following operations.
1. Press and hold MODE button for approx. 2 seconds, and printer is turned on.
2. To put the printer into Memory Switch Setting mode, press and hold both the MODE & FEED
buttons for 5 seconds. After printer displays “Enter Menu Mode”, you can configure the settings,
release the buttons after you surely confirm the screen display “Enter Menu Mode”, to get a
printer into the setting mode.
3. To switch the Menu and option parameter , or return to the previous menu, press MODE button.
4. To move the cursor(“_”), entry the printer mode, or confirm the new setting, press FEED button.
CAUTION
Before changing the memory switch settings, make sure that the communication with a host
device is disconnected.
When the printer is under the Bluetooth communication with a host device, it cannot enter
the Memory Switch Setting mode.
Example
When you want to change the settings of the printer mode as shown below,
Item
Factory Setting
Configuration Example
1 Density
0(Medium)
1(Low)
2 Standby Time
0060(Sec)
0080(Sec)
3 Auto Off Time
0(Invalid)
1000(Min)
4 Smart Power
0(Disable)
0(Disable)
5 Paper Type
0(Receipt)
2(BM(2inch))
6 Factory Reset
0(N)
0(N)
7 Password
0000
2222
 Press and hold the MODE & FEED buttons for 5 seconds.
→ You will see present “Enter Menu Mode” in the LCD.
Press the MODE button once to switch the menu item.
Display: 1 Self Test →2 System Setting
 Press the FEED button once to get into the System Setting menu.
→ You will see present “Input Password 0000” in the LCD.
→ Press FEED button to move cursor(“_”), press MODE button to switch the number (0~9).
Password: 0000(default)
→ Press and hold the FEED button for 2 seconds to get into the menu.
Display:
1 Density
2 Standby Time
3 Auto Off Time
4 Smart Power
5 Paper Type
6 Factory Reset
7 Password
8 Previous Menu
 Press MODE button to switch the menu item, then press the FEED button once to enter the menu.
→ Press the FEED button once to get into the Density menu.
Display:
Density:
0-Medium
1-Low
2-High
3-Special
→ Press the MODE button once to input the number 1, then press and hold FEED button to
confirm the new setting and return to the previous menu.
(The density has set to Low)
0(Medium) → 1(Low)
 Press the MODE button once to switch the menu item--Standby Time.
→ Press the FEED button once to get into the menu.
Display:
Standby Time:
[0010-9999(Sec)]
0060
→ Press the FEED button twice to move cursor(“-”), then press the MODE button twice to input the
number: 8, finally press and hold FEED button to confirm the new setting and return to the
previous menu.
(The standby time has set to 80 seconds)
0060(Sec) →0080(Sec)
When set the parameter to 0000, the standby time becomes invalid.
If set the parameter to 0001~ 0009, a buzzer beeps, so do not set it.
 Press the MODE button twice to switch the menu item--Auto Off Time.
→ Press the FEED button once to get into the menu.
Display:
Auto Off Time:
[0000-9999(Min)]
0000
→ Press the MODE button once to input the number on : 1, then press and hold FEED button to
confirm the new setting and return to previous menu.
(The auto off time has set to 1000 minutes)
0000(Min) →1000(Min)
When set the parameter to 0000, the auto off time becomes invalid.
Press the MODE button 3 times to switch the menu item--Smart Power.
→ Press the FEED button once to get into the menu.
Display:
Smart Power
0-Disable
1-Enable
→ Press the MODE button once to input the number on : 1, then press and hold FEED button to
confirm the new setting and return to previous menu.
 Press the MODE button 4 times to switch the menu item--Paper Type.
→ Press the FEED button once to get into the menu.
Display:
0-Receipt
1-BM(3inch)
2-BM(2inch)
3-BM(Center)
4-Label
→ Press the MODE button twice to input the number:2, then press and hold FEED button to confirm
the new setting and return to the previous menu.
(The paper type has set to BM(2inch))
0(Receipt) →2(BM(2inch))
 Press the MODE button 5 times to switch the menu item--Factory Reset.
→ Press the FEED button once to get into the menu.
Display:
0-N
1-Y
→ When the setting does not need to be reset, press and hold FEED button to return to the previous
menu.
Press the MODE button 6 times to switch the menu item--Password.
→ Press the FEED button once to get into the menu.
Display:
Input New
Password:
0000
→ Press the MODE button twice to input the number: 2, then press FEED button once to move
cursor (“-”), press the MODE button twice to input the number: 2, repeat the above steps to input
the number “2222”, finally press and hold FEED button to confirm the new setting and return to
the previous menu.
(The Password has set to 2222)
0000→2222
 Press the MODE button 7 times to switch the menu item--Previous Menu.
→ Press the FEED button once to return to the previous menu.
Display:
1 Self Test
2 System Setting
3 Exit Menu
 Press the FEED button once to enter the menu item--Self Test.
Display:
1 Print
2 MSR
3 MSR Key Injection
4 Hex Dump Mode
5 Previous Menu
→ Press the FEED button once, you will see present “Press Feed To Print” in the LCD, press FEED
button, the new settings will be printed.
* “2 MSR” and “3 MSR Key Injection” are function of MSR model only.
If the settings were not configured correctly, follow the above procedure to configure the settings
again.
Memory Switch Setting Table
First-level menu
1 Self Test
Second-level menu
Third-level menu
Fourth-level menu
Default
1 Print
Press Feed To Print
--
--
2 MSR
MSR SELF TEST
Please Swipe Card
--
3 MSR Key Injection*1
MSR Key Injection
Please Inject Key
4 Hex Dump Mode*1
Hex Dump Mode
--
--
5 Previous Menu
--
--
--
--
Medium
0-Medium
1-Low
1 Density
2-High
3-Special
Standby Time:
2 Standby Time
60
--
[0010-9999(Sec)]
Seconds
Auto Off Time:
3 Auto Off Time
--
0000
--
--
Receipt
--
--
0000
--
--
--
--
--
--
[0001-9999(Min)]
Smart Power
4 Smart Power
0-Disable
Input Password:
1-Enable
System
0000
0-Receipt
Setting
1-BM(3inch)
5 Paper Type
2-BM(2inch)
3-BM(Center)
4-Label
0-N
6 Factory Reset
1-Y
Input New Password:
7 Password
0000
8 Previous Menu
3 Exit Menu
*1) “2 MSR” and “3 MSR Key Injection” are function of MSR model only.
3.5 Hex Dump Mode
All data sent from a host device is printed by hexadecimal codes.
This mode can be used to check if a program to be sent to the printer is coded correctly.
Example
 Press and hold the MODE & FEED buttons for 5 seconds.
→You will see present “Enter Menu Mode” in the LCD.
 Press the FEED button once to enter the menu item--Self Test.
Display:
1 Print
2 MSR
3 MSR Key Injection
4 Hex Dump Mode
5 Previous Menu
 Press the MODE button 3 times to switch the menu item--Hex Dump Mode.
→Press the FEED button once, you will see present “Hex Dump Mode” in the LCD.
* “2 MSR” and “3 MSR Key Injection” are function of MSR model only.
Notes: It will be limitations such as it cannot return the status.
3.6 Instruction for Power Management
The printer in the Standby(Sleep) Mode will recover to the Print Ready Mode when receiving print
data or button operations.
Press the FEED button or the MODE button and confirm that the Power lamp (Green LED) is turned
on. When the Power lamp is not turned on, it is possible that the printer is turned off by the Power
OFF mode. In this case, turn the printer on manually.
3.6.1 Standby Time
Display on LCD is disappeared when a setting time has passed.(0010-9999 sec)
3.6.2 Auto-Off Time
The power is turn off when a setting time has passed.(0001-9999 min)
3.6.3 Smart Power Option
The smart power option is a function to turn on the printer when it is supplied the
power. When the printer is turned off, upon being powered, it will automatically turn
on.
Please press and hold the MODE button to turn off the printer when it is supplied the power.

If the smart power option is enabled and printer is turned on and powered, AUTO OFF function
will be disabled.
In this case, AUTO OFF function will be enabled after power is
interrupted. For instance, if AUTO OFF is set to 10 minutes and,
The smart power option enabled, printer turned on and powered, then printer will NOT be turned off
after 10 minutes.
The smart power option enabled, printer turned on and NOT powered, then printer will be turned
off after 10 minutes.
Event
Status
Condition 1
Condition 2
Event1
Powered
Turned OFF
Turn ON (Auto)
No charging
Start charging
Turned OFF
Event3
Event4
Powered
Auto Power OFF
Charging
Interrupted
Time out
completed
N/A
N/A
N/A
Turn OFF
N/A
Charging
Condition 3
Event2
Turned ON
Turn OFF
N/A
No charging
Turn ON (Auto)
Charging
Turn OFF
N/A
No charging
Start charging
Turned ON
Condition 4
N/A
No charging
Turn ON
Turn ON
Turn ON
No charging
Charging
Charging
N/A
Charging
4. Magnetic Card Reader (For MSR model only)
Please keep the following points in mind when reading a card.

Swipe the card with its magnetic stripe side towards the printer.

Hold the card in the center and swipe it straight at a steady speed in the directions of arrows.
You can swipe the card in either direction to read the data.
Be sure to hold the printer firmly with your hand while swiping.
 Pay attention to the hand you hold the printer, you finger
should not touch the cover of the MSR slot, if not, the card
cannot be read properly. (See correct example on Figure 4-2)
If you hold the corner of the card, it is difficult to swipe it straight so that you may fail to read the card
data. So hold the card in the center when you swipe the card.
Figure 4-1

Figure 4-2
A buzzer will sound once when a card is successfully read, and you will see present “MSR read
success” in the LCD.

When the printer fails to read the card, the buzzer will sound three times and you will see
present ”MSR read failure” in the LCD. Please check the orientation of the card, and slide it
through the reader slot again.
Note:
1. Swiping JIS card is also under MSR mode.
2. JIS card operation is same as MSR card operation.
 Correct example:
Make sure the magnetic stripe is towards to the
magnetic head. Hold the card in the center as
illustrated below and swipe it straight at a steady
speed in the direction of arrows.
Incorrect example:
To grasp a magnetic card
If you grasp the front/rear part of a card and move
it through the MSR slot,the front /rear part is loose
and a read error occurs.
To move a magnetic card
If you insert a card tilted upward/downward into
the MSR slot,the card does not move horizontally
and a read error occurs.
If you extract a card at the end of the MSR slot by
lifting up or lowering down,the card is not
maintained and a read error occurs.
If you insert a card into the middle part of the MSR
card ,the card is not read correctly and read error
occurs,or if you move the card back or forth by
force after inserting into the MSR slot,the card is
not read correctly and a read error occurs.
5. Paper
5.1 Paper Specification
 Receipt thermal Paper
Paper Width(W1)
39.5±0.5mm to 79.5±0.5mm (2mm pitch)
Paper Thickness
53μm to 85μm
Roll Paper Diameter
12±1mm≤Ø≤18±1mm
Recording side
Outside of roll
Maximum Roll Diameter (D)
Ø57 mm
Curling dimension (W2)
40+0.5-1 to 80+0.5-1 mm
Axial
Inner diameter
Ø12±1 mm
Outer diameter
Ø18±1 mm
NOTES: Do not use roll paper whose end is glued to its core, because the printer will be
unable to properly detect the end of the paper. Also, we recommend that you use
roll paper that has a roll end mark at its end.
(1)Operating
a) Temperature : 0 to 50 degrees
b) Humidity : 20 to 85 % RH (Must be no condensation)
*1 The combination of 50 degrees and 85% RH (No condensation) is considered the worst value
regarding high temperature and humidity. A higher humidity level higher than 80% combined with a
higher temperature can cause a problem if over a prolonged period of time (more than 4 hours).
(2)Transport / Storage
a) Temperature : -20 to 70 degrees
b) Humidity : 5 to 95 % RH (No condensation)
*1 This is a recommended storage range for temperature and humidity.
However, the storage condition could be the same as the operating condition provided the
recommended humidity level is not exceeded over a prolonged period of time (more than 4
hours).
If the storage condition does exceed the 4 hour period at the higher temperature/humidity
condition, we would recommend the rolls be in operating ambient conditions for two hours to
acclimate to the normal operating range.
 Label Paper
Paper Width
39.5±0.5mm to 79.5±0.5mm (2mm pitch)
Paper Thickness
Max. 150μm
Roll Paper Diameter
25.4±1mm≤Ø≤30±1mm
Maximum Roll Diameter (D)
Ø57 mm
Curling dimension (W2)
40+0.5-1 to 80+0.5-1 mm
Axial
Inner diameter
Min Ø25.4±1
Outer diameter
Min Ø30±1
(1)Operating
a) Temperature : 0 to 50 degrees
b) Humidity : 20 to 85 % RH (Must be no condensation)
*1 The combination of 50 degrees and 85% RH (No condensation) is considered the worst value
regarding high temperature and humidity. A higher humidity level higher than 80% combined with a
higher temperature can cause a problem if over a prolonged period of time (more than 4 hours).
(2)Transport / Storage
a) Temperature : -20 to 70 degrees
b) Humidity : 5 to 95 % RH (No condensation)
*1 This is a recommended storage range for temperature and humidity.
However, the storage condition could be the same as the operating condition provided the
recommended humidity level is not exceeded over a prolonged period of time (more than 4
hours).
If the storage condition does exceed the 4 hour period at the higher temperature/humidity
condition, we would recommend the rolls be in operating ambient conditions for two hours to
acclimate to the normal operating range.
 Linerless Label Paper
Paper Width
39.5±0.5mm to 79.5±0.5mm (2mm pitch)
Paper Thickness
86μm
Roll Paper Diameter
12.7±1mm≤Ø≤18±1mm
Maximum Roll Diameter (D)
Ø57 mm
Curling dimension (W2)
40+0.5-1 to 80+0.5-1 mm
Axial
Inner diameter
Min Ø12.7±1
Outer diameter
Min Ø18±1
(1)Operating
a) Temperature : 0 to 45 degrees
b) Humidity : 20 to 80 % RH (Must be no condensation)
*1 The combination of 45 degrees and 80% RH (No condensation) is considered the worst value
regarding high temperature and humidity. A higher humidity level higher than 80% combined with a
higher temperature can cause a problem if over a prolonged period of time (more than 4 hours).
(2)Transport / Storage
a) Temperature : 0 to 30 degrees
b) Humidity : 45 to 65 % RH (No condensation)
*1 This is a recommended storage range for temperature and humidity.
However, the storage condition could be the same as the operating condition provided the
recommended humidity level is not exceeded over a prolonged period of time (more than 4
hours).
If the storage condition does exceed the 4 hour period at the higher temperature/humidity
condition, we would recommend the rolls be in operating ambient conditions for two hours to
acclimate to the normal operating range.
5.2 Recommended Paper
 Receipt Paper
Manufacturer
Product Name
Recommended density
Mitsubishi Paper Mills Limited
P220AG
MID
Appvion, Inc
Alpha 400-2.1
MID
Oji Paper Co., Ltd.
FD200
MID
Oji Paper Co., Ltd.
PD450
MID
Oji Paper Co., Ltd.
PD160R-63
MID
Manufacturer
Product Name
Recommended density
RICHO
150PSMW
High
UPM
DT80W
High
Manufacturer
Product Name
Recommended density
MAXStick
MAXStick PLUSD
High
 Label Paper
 Linerless Label Paper
CAUTION:
Please use the recommended thermal paper or same quality paper, otherwise it will influence
the printing quality and decrease the thermal print head life.
Please use at a room temperature if you want to set the print density to “Special”. Some
types of the paper are not suitable for use in low-temperature environment.
5.3 Printing Range
5.3.1 Receipt (thermal) Paper
Notes: The above is a view of the factory. Otherwise, please adjust by customers. For
details about how to customize printing region settings, see section 8 “Memory
Switch Specifications”.
5.3.2 Label Paper
CAUTION
1) Do not use roll paper whose end is glued to its core, because the printer will be unable to
properly detect the end of the paper. Also, we recommend that you use roll paper that has
a roll end mark at its end.
2) Chemicals and oil may cause the roll paper to change color or cause the printed
characters to become lighter.
3) Please be aware that the roll paper can be affected by heat, humidity, and direct sunlight.
4) The roll paper may change color if you scratch it with your fingernail, a hard piece of metal,
etc.
5) Please use Star recommended Label Paper. A Label Paper or roll paper whose end has
been glued by tape or adhesive to the core may result in the printer being unable to
properly detect the end of the paper or may cause damage to the mechanism, voiding the
warranty.
5.4 Specification of Black Mark
SM-L300 supports black mark on both sides of the paper and the specification of black mark is
illustrated by the following image.
Black Mark Density : Black mark of Minimum 0.8 PCS.
5.4.1 Receipt Paper
Note: There is a possibility of Black Mark malfunction. Please contact the dealer when
you would like to preprint paper.
5.4.2 Label Paper
Notes :
1. It should be set by the memory switch with the panel operation
2. The left side of black mark sensor is also supported in case of the special paper.
5.5 Specifications of LABEL GAP
Label Gap Variability
6. General Specification
Table 6-1 General Specification
(1/2)
Item
Specifications
Printing Method
Direct line thermal printing
Resolution
203dpi (8dots/mm)
Printing Speed
Max.65mm/s
Valid Printing Width
Max.72mm
Printing
Bluetooth Ver 3.0/4.0 [BLE]
Communication
Dual Mode
Frequency Range
2.4GHz ISM-band
Data Transmission Rate
115200bps adjustable
Data Bit
8 data bit fixed
Parity Bit
No parity fixed
Stop Bit
1 stop bit fixed
SSP
Compatible
Bluetooth Specification
Interface
USB
Micro-USB
Power Saving
Stand-by
YES
Character Set
Font
Alphanumeric: 9x17, 9x24, 12x24 dots
Kanji: 24x24 dots
UPC-A, UPC-E, JAN/EAN8, JAN/EAN13, CODE39, ITF,
CODE128, CODE93, CODABAR(NW-7), GS1-128, GS1
1D
Omnidirectional, GS1 Truncated, GS1 Limited, GS1
Barcode
Expanded
Symbologies
QR code(Support 15mm), PDF417, GS1 Stacked, GS1
2D
Stacked Omnidirectional, GS1 Expanded Stacked, GS1
Composite Symbols
Support bitmap printing with different density and user
Graphics
defined bitmap printing (Max. 512K for total)
Cover open sensor, Paper end sensor, Black mark sensor,
Detection
Sensors
Transmissive sensor(Label Gap sensor), Thermal head
thermister, Printer internal thermister
Power Lamp
Green
Error Lamp
Red
LED
Drop resistance
1.2m
Table 6-1 General Specification (Continued)
(2/2)
Item
Parameter
USB charge
Charging
Output DC 5V
Battery
Power Supply
1.0A, time required for full charge: 5 to 6h
2000mA 7.4V rechargeable battery pack
Battery
TBD
Operating Time
LCD
128 x 64 dots with Blue Backlight
ISO 7810, ISO 7811, ISO7812 1st, 2nd and 3rd Track/ JISII
MSR
Format
Track Reading
(Single Head)
MSR model only
Security
AES or 3DES encryption. DUKPT Key Management
Enviromental
Operating Condition
0°C to 50°C, 20% to 85%RH (no condensation)
Requirements *1
Storage Condition
0°C to 30°C, 45% to 65%RH (no condensation)
SM-L300:119.1(W) x 146.4(H) x 69.0(D) mm
Dimension
SM-L304:119.1(W) x 150.8(H) x 69.0(D) mm
Physical
Characteristics
SM-L300:540g (including battery pack)
Weight
SM-L304:552g (including battery pack)
50km(not more than 12.5% printing density)/100 million
Reliability
TPH
pulses (Linerless = 10 km)
Software
Emulation
StarPRNT mode
*1) Please refer to 5.1 for the linerless label paper.
Notes:
1. The periodic maintenance is required for use of linerless label paper.
2. The barcode print quality largely depends on the color characteristics of the thermal
paper, the environment (such as temperature and humidity) of the printer location,
the print density, and print speed settings.
3. When you read the printed barcodes using a scanner or other type of device, it is
strongly recommended that you evaluate the data scanning quality beforehand.
 Dimensions
 SM-L300
・External Dimension: 119.1mm (W) x 146.4mm(H) x 69.0mm (D)
・Weight
: 540g (including battery pack)
・Body Color
: Black

SM-L304
・External Dimension: 119.1mm(W) x 150.8mm(H) x 69.0mm(D)
・Weight
: 552g (including battery pack)
・Body Color
: Black
7. Detailed Specification
Item
Hardware Specification
Specification
MCU: 32bits RISC, FLASH : 256K bytes,
RAM: 48K bytes
Clock frequency of MCP
72MHz
Refer to “10.2 Bluetooth” for the detail specifications of Bluetooth.
8. Memory Switch Specifications
The MSW settings are loaded when the power is turned on or when the printer is reset. If these
settings are changed, they are made valid only after the printer is turned on or reset.
Flash memory has a limit life for writing data. Do not apply this command for every single receipt.
The following describes memory switch specifications.
MSW0
bit
Function
OFF/“0”
ON/“1”
SHIFT-JIS mode
Enable
Disable
Destination
SBCS(1byte)
DBCS(2byte)
Note
MSW1
bit
Function
OFF/“0”
ON/“1”
Note
Top Search
(Refer to below)
*2
Top Search
(Refer to below)
*2
Zero style
Normal
International Character
(Refer to below)
*1
International Character
(Refer to below)
*1
International Character
(Refer to below)
*1
International Character
(Refer to below)
*1
Slashed
*1) International Character
MSW1-3
MSW1-2
MSW1-1
MSW1-0
International Character
“0”
USA
“1”
France
“2”
Germany
“3”
UK
“4”
Denmark 1
“5”
Sweden
“6”
Italy
“7”
Spain 1
“8”
Japan
“9”
Norway
“A”
Denmark 2
“B”
Spain 2
“C”
Latin America
“D”
Korea
“E”
Ireland
“F”
Legal
The international character setting for DBCS (Japan) is fixed at n = 8 (Japan).
The international character setting for DBCS (Korea) is fixed at n = 13 (Korea).
*2) Top Search (in Black Mark mode and Label mode )
Top Search
MSW1-D
MSW1-C
Power On
Cover Close
“0”
Not execute
Detect Black Mark
“1”
Detect Black Mark
Detect Black Mark
“2”
“3”
Detect Black Mark
Detect Black Mark
MSW2
bit
Function
OFF/“0”
ON/“1”
Note
Print Density
(Refer to below)
*1
Print Density
(Refer to below)
*1
Print Density
(Refer to below)
*1
*1) Print Density
MSW2-2
MSW2-1
MSW2-0
Print Density
“0”
Medium Density
“1”
Low Density
“2”
High Density
“3”
Special Density
MSW3
bit
Function
OFF/ “0”
ON/“1”
Note
Code Page
(Refer to below)
*2
Code Page
(Refer to below)
*2
Code Page
(Refer to below)
*2
Code Page
(Refer to below)
*2
Code Page
(Refer to below)
*2
Code Page
(Refer to below)
*2
Code Page
(Refer to below)
*2
Code Page
(Refer to below)
*2
Kanji Character Spacing
(Refer to below)
*1
ANK Character Spacing
(Refer to below)
*1
Line Spacing
4mm
3mm
*1 Character Spacing
< SBCS >
MSW3-4
Character
Character Size (Font + Right Space)
ANK
12(12+0)dot
ANK
15(12+3)dot
< Japanese Kanji and DBCS >
MSW3-5
Character
Full Size Kanji
26(1+24+1)dot
Half Size Kanji
13(0+12+1)dot
Full Size Kanji
30(3+24+3)dot
Half Size Kanji
15(1+12+2)dot
Character Size (Left Space + Font + Right Space)
MSW3-4
Character
Character Size (Font + Right Space)
ANK
12(12+0)dot
ANK
15(12+3)dot
< Hangle or Chinese or Taiwan BIG5 and DBCS >
MSW3-5
Character
Character Size (Left Space + Font + Right Space)
Kanji
26(1+24+1)dot
Kanji
30(3+24+3)dot
MSW3-4
Character
Character Size (Font + Right Space)
0
ANK
13(12+1)dot
ANK
15(12+3)dot
*2) Code Page
MSW3-F
MSW3-E
MSW3-D
MSW3-C
MSW3-B
MSW3-A
MSW3-9
MSW3-8
Character Table
“00
Normal*
“01
CodePage437 (USA,Std. Europe)
“02
Katakana
“03
CodePage437 (USA,Std. Europe)
“04
Codepage 858 (Multilingual)
“05
Codepage 852 (Latin-2)
“06
Codepage 860 (Portuguese)
“07
Codepage 861 (Icelandic)
“08
Codepage 863 (Canadian French)
“09
Codepage 865 (Nordic)
“0A
Codepage 866 (Cyrillic Russian)
“0B
Codepage 855 (Cyrillic Bulgarian)
“0C
Codepage 857 (Turkey)
“0D
Codepage 862 (Israel (Hebrew) )
“0E
Codepage 864 (Arabic)
“0F
Codepage 737 (Greek)
“10
Codepage 851 (Greek)
“11”
Codepage 869 (Greek)
“12
Codepage 928 (Greek)
“13
Codepage 772 (Lithuanian)
“14
Codepage 774 (Lithuanian)
“15
Codepage 874 (Thai)
“20
Codepage 1252 (Windows Latin-1)
“21
Codepage 1250 (Windows Latin-2)
“22
Codepage 1251 (Windows Cyrillic)
“40
Codepage 3840 (IBM-Russian)
“41
Codepage 3841 (Gost)
“42
Codepage 3843 (Polish)
“43
Codepage 3844 (CS2)
“44
Codepage 3845 (Hungarian)
“45
Codepage 3846 (Turkish)
“46
Codepage 3847 (Brazil-ABNT)
“47
Codepage 3848 (Brazil-ABICOMP)
“48
Codepage 1001 (Arabic)
“49
Codepage 2001 (Lithuanian-KBL)
“4A
Codepage 3001 (Estonian-1)
“4B
Codepage 3002 (Estonian-2)
“4C
Codepage 3011 (Latvian-1)
“4D
Codepage 3012 (Latvian-2)
“4E
Codepage 3021 (Bulgarian)
“4F
Codepage 3041 (Maltese)
“60
Thai Character Code 42 (Thai)
“61
Thai Character Code 11 (Thai)
“62
Thai Character Code 13 (Thai)
“63
Thai Character Code 14 (Thai)
“64
Thai Character Code 16 (Thai)
“65
Thai Character Code 17 (Thai)
“66
Thai Character Code 18 (Thai)
“FF
User Setting (Blank Code Page)
This function is valid when SBCS is selected.
MSW4
bit
Function
OFF/“0”
ON/“1”
Note
E
Printing Region
(Refer to below)
*1
Printing Region
(Refer to below)
*1
Printing Region
(Refer to below)
*1
Printing Region
(Refer to below)
*1
Printing Region
(Refer to below)
*1
Printing Region
(Refer to below)
*1
Printing Region
(Refer to below)
*1
*1)Printing Region
MSW4-6
MSW4-5
MSW4-4
MSW4-3
MSW4-2
MSW4-1
MSW4-0
Printing Region
“00”
72mm (576dot)
“01”
“02”
“03”
“04”
“05”
“1D”
“1E”
30mm
“1F”
30+1mm
“20”
32mm
“46”
70mm
“47”
70+1mm
“48”
72mm
“49”
50.8m (406dot)
“7F”
If the value of “n” is odd, “+1” will be set.
If any invalid value is set, “72mm” will be specified.
MSW7
bit
Function
OFF/“0”
ON/“1”
Note
ASB function
(Refer to below)
*1
NSB function
(Refer to below)
*1
*1)ASB/NSB function
I/F
“0”
“1”
Bluetooth
Disable
Enable
USB
Enable
Disable
Bluetooth
(USB only)
(USB only)
USB
Enable
Disable
MSW7-C
MSW7-8
MSW9
bit
Function
OFF/“0”
ON/“1”
Note
Correction direction for printing start position
Forward
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Correction for printing start position
(Refer to below)
*1
Reverse
*1
*1) Correction for printing start position
Function to correct the BM detection position
Correction detection
Correction value(MSW9-E~MSW9-4)
Correction range
(MSW9-F)
Forward
Correction value for BM printing start position
×0.5mm
0mm~1023.5mm
Reverse
Correction value for BM printing start position
×0.5mm
0mm~8mm
(The Maximum correction value is 10mm even if it is set more)
“0” is 64 dots on the current spec.
The direction Forward / Reverse can be specified by this MSW from the position of “0”.
MSWB
bit
Function
OFF/“0”
ON/“1”
Data timeout
Enable
Disable
a n Command Function
Status transmission conditions
Status transmission
*1) Data timeout
This function is valid only when using Bluetooth I/F.
MSWC
Note
*1
bit
Function
OFF/“0”
ON/“1”
Note
USB Serial Number
Disable
*1) USB Serial Number
This function is valid only when using USB I/F.
Enable
*1
MSWR
bit
Function
OFF/“0”
ON/“1”
Note
Paper Type
(Refer to below)
*1
Paper Type
(Refer to below)
*1
Paper Type
(Refer to below)
*1
*1) Paper Type
MSWR-1
MSWR-0
Paper Type
“0”
Receipt
“1”
Black Mark (3inch)
“2”
Black Mark (2inch)
“3”
Black Mark (Center)
“4”
Label
“5”
(Reserved)
“6”
(Reserved)
“7”
(Reserved)
MSWS
bit
Function
OFF/“0”
ON/“1”
Note
*1
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
Power Down
(Refer to below)
*1
*1) Power Down
MSWS
Power Down
No use
1 Minute Power Off
3 Minute Power Off
4 Minute Power Off
5 Minute Power Off
6 Minute Power Off
7 Minute Power Off
8 Minute Power Off
9999 Minute Power Off
2 Minute Power Off
MSWT
bit
Function
OFF/“0”
ON/“1”
Note
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
Sleep Mode
(Refer to below)
*1
*1) Sleep Mode
MSWT
Sleep Mode
No use
1 Second Sleep
3 Second Sleep
4 Second Sleep
5 Second Sleep
6 Second Sleep
7 Second Sleep
8 Second Sleep
9999 Second Sleep
2 Second Sleep
9. How to Display the Model Name
10. Interface
10.1 USB
SM-L300 printer has a USB interface for Battery charging and is connected by means of 5pin micro
USB socket. In the following table, the signals present on the micro USB socket are listed.
Pin Number
SIGNAL
VBUS
D-
D+
NC
GND
 USB Cable
Use the USB cable provided with the printer. (Refer to “11.3 USB Cable”.)
10.2 Bluetooth
Category
Bluetooth Spec.
Specification
Bluetooth Ver 3.0/4.0 [BLE] Dual Mode）
Class2 (10m)
Frequency Range
2.4GHz ISM band
Data Transmission Rate
115200bps adjustable
Data Bit
8 data bit fixed
Parity Bit
No parity fixed
Stop Bit
1 stop bit fixed
SSP
Compatible
PIN code: 1234 as default for Android/Windows. (Bluetooth Ver.3.0)
Device Name: STAR L300-XXXXX
Device Name: STAR L304-XXXXX MSR model
(XXXXX is the last 5 digits of the Product Serial Number)
11. Specifications of Accessories
11.1 Battery Pack
7.4V, 2000mAh
Rechargeable Lithium-ion Polymer Battery Pack
Safety Approvals: PSE
Weight: 90g
11.2 Belt Clip
11.3 USB Cable
11.4 Ferrite Core
To reduce unnecessary radio wave radiation, attach a ferrite core to the USB cable included with the
printer.
Make a loop with the USB cable close to the core at the Micro USB end and attach a ferrite core as
shown in the drawing below.
Micro USB
Core
Ferrite Core
12. Troubleshooting Procedure
When a trouble occurs, confirm its phenomenon, locate a defective part in accordance with "12.1
Troubleshooting Guide", and troubleshoot as described below.
Phenomenon:
Find a trouble phenomenon in this column. If there are multiple phenomena, take all the
corresponding items into consideration. This allows you to specify a hidden defective part.
Cause:
Lists as many possible causes as possible. Guess a trouble cause out of them and take its check
method to specify the trouble cause.
Check Method:
Describes a check method to specify a trouble cause.
Remedy:
Troubleshoot by taking a remedy described in this column.
By troubleshooting in accordance with the above-mentioned procedure, you can troubleshoot
efficiently with fewer misjudgments.
12.1 Troubleshooting Guide
12.1.1 Power Supply Failure
Phenomenon
Cause
No Power
The battery is not connected
(Power lamp not
The battery is discharged
illuminated)
Printer cannot be
Check Method
Remedy
Connect the specified battery
Battery level
Charge the battery
≤7.2V
The battery is not installed.
Install the battery
The USB cable is not
Connect the USB cable
charged
connected to the printer, PC
(USB port) or the USB charger
firmly.
Fault in PC (USB port), the
Connect it to
Connect to other device,
USB charger or the USB cable.
other device
replace the USB charger or
the USB cable
The PC is in sleep mode
Exit the sleep mode
12.1.2 Printing Failure
Phenomenon
Cause
Check Method
The roll paper is loaded
Install the roll paper properly
upside down
No printing
Remedy
Faulty Main Logic
Replace the Main Logic
Board Unit
Board Unit
Faulty connection of the
Check connection of the
Connect the thermal head
thermal head connector
thermal head connector
cable to connector properly
Faulty thermal head
Replace the Mechanism Unit
Faulty connection of the
Check connection of the
Connect the thermal head
thermal head connector
thermal head connector
cable to connector properly
Printer cover one side
Close printer cover correctly
close
Faulty thermal head
Level of battery voltage
Check the battery lamp on
is low
the LCD
Foreign substance is
Check whether any
Dip a cotton swab or soft
adhered to the thermal
foreign substance are
cloth in ethyl alcohol and
head
adhered to the thermal
wipe the foreign substance
head
with them
Non-recommended
Check whether the paper
Replace it with the specified
paper is used
being used meets the
paper
Partly not
printed or faint
printout or
Replace the Mechanism Unit
uneven printout
Charge the battery
specification
Faulty mounting of the
Check mounting condition
platen
of the platen
Connection issue of BT
Check a mark on the
or USB
printer
Mount the platen properly
Ensure the USB or the
Bluetooth communication is
normal
Use of roll paper that
has the printing surface
Check the printing surface
inside
of roll paper
Incorrect print area
setting
Check MSW4 by self-test
Incorrect print density
Check the recommended
setting
value on 3.4 Memory
Switch Setting Table
Change the clean paper
Setting MSW4, select the
appropriate print area
Select the appropriate print
density
12.1.3 Sensor Failure
Phenomenon
Cause
Faulty paper
sensor
Check Method
Check whether the ERROR
lamp flickers when paper is
out
Does not detect
Foreign substance
Check whether any foreign
presence of
is attached the
substance are adhered to
paper
paper sensor
the paper sensor
Faulty connection
of the paper sensor
connector
Does not detect
presence of
cover open.
Check connection of the
paper sensor connector
Rubber roll is not in
Open the cover, pressure
place
sensor manual
Related circuit
Change sensor and
problem of sensor
detecting whether there is
or covered
still
Remedy
Replace the Mechanism
Unit
Remove the foreign
substance
Connect the paper sensor
cable to connector
correctly
Change the rubber roll or
corresponding structure
holder
Judgment the sensor or
circuit problem, then
change sensor or repair
motherboard
12.1.4 Paper Feed Failure
Phenomenon
Cause
Check Method
Remedy
The printer cover is
Close the printer cover
not closed properly
properly
Faulty connection of
Check connection of the
Connect the motor cable
the motor connector
motor connector
to connector correctly
Replace the Mechanism
Defective motor
Battery voltage drop
Unit
Check the battery
display of the LCD
Charge the battery
Faulty Main Logic
Replace the Main Logic
Board Unit
Board Unit
Paper is not fed
or fed irregularly
Faulty mounting of
Check mounting
the platen
condition of the platen
Paper jam, or pieces
of paper left in the
printer
Check whether or not
the paper is jamming or
torn and caught in the
paper path
Mount the platen properly
Eliminate unnecessary
paper in the paper path
and set paper properly
Foreign substance in
Eliminate the foreign
the gear
substance
If the gear is broken,
Broken gear
replace the Mechanism
Unit
Malfunction of de-curl
Please contact a dealer
mechanism
for repair
Label paper /
Label paper is fed
linerless label
with a piece of label
paper is not fed
peeled off
De-curl switching
lever ON
Place the paper label to
target at the current
Check the De-curl
switching lever and set it
OFF.
When linerless label
is used, grew is stuck
on the platen and the
print head
Clean it
13. Fitting Regulation
13.1 Printer
Radio Wave Method
TELEC
R&TTE
FCC
ICES
Applicable Standard and
CE
Regulations
VCCI Class B
13.2 Battery Pack
Electrical Appliances and
Material Safety Act
PSE
14. Release History
Rev.No.
Date (Month/Year)
Contents
Rev.1.0
Oct.2016
New Release

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