Zebra Technologies MD-QL4137 WLAN Module for QL Series Printers User Manual 3

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Document Description	Users Manual 3
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Date Submitted	2003-04-04 00:00:00
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Document Title	Users Manual 3
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SRRF Communications
Both the printer and the device it communicates with must follow
either the Bluetooth standard or Zebra's proprietary SRRF proto-
col. The communications protocol is determined by the specific
QuickLink module installed in the printer.
Printers equipped for short range radio frequency communica-
tions (SRRF) allow wireless communication with their host termi-
nals from any direction. Reliable transmission distances will vary
but usually exceed 1m. (39”) under worst conditions. SRRF print—
ers can be identified by reading the printer's model number label
on the front of the unit, which will show the radio module's identifi-
cation number and/or its operating frequency. QL 320 printers
equipped with a Bluetooth wireless module will have the Bluetooth
logo on the model number label.
Zebra SRRF Network Overview
Zebra’s short range RF network operates as a collection of
linked pairs of terminals and printers. There is no base station or
centralized control: control of the network is distributed across the
entire network.
Before SRRF operation can begin, the QL 320 must be “linked"
to a terminal with a compatible short-range radio. Linking means
that addresses are exchanged between the terminal and the print—
er. Once linked, the terminal and the printer become a “linked pair“
and communicate exclusively with each other. The terminal and
the printer can be turned on and off without affecting the link; it re-
mains valid until another link is deliberately created. Thus it is not
necessary to perform a link every time that the equipment is used.
So long as the linked pair is kept together, they remain linked in-
definitely. if the linked pair is not stored together, then the terminal
and printer selected should be linked prior to use.
Multiple linked pairs can be operated in close quarters and each
terminal will only communicate with its linked printer. Each SRRF
radio module has a unique device address (terminal or printer),
based on the device serial number.
Linking From the Terminal to the Printer
The linking operation can be activated from either the terminal
or the printer. If the terminal has a scanner available, then the bar-
ooded serial number on the back of every printer can be scanned
and used to establish the printer’s unique address. Once the print—
er's address is established, the terminal can then initiate a link to
that printer. If no scanner is available the user can manually enter
QL 320 User's Guide 21
the serial number of the printer; however, this method is not rec-
ommended. The terminal can only capture the desired printer us—
ing this type of link.
The terminal must be programmed to guide the user through
scanning the printer serial number bar-code, then execute an al-
gorithm which converts the serial number into an address. Zebra
can provide C source code to licensed OEM customers that han—
dles the conversion from serial number to address.
Linking From the Printer to the Terminal
When no scanner is available, and/or no additional software is
to be written for the terminal, then the linking operation can be ini—
tiated solely by the printer.
in this procedure the printer broadcasts a message seeking an
available terminal. If a terminal “hears" the broadcast and is avail-
able, it will respond by linking to the printer.
To insure a secure link, the user must perform the link operation
far enough away from other operating terminals so that the printer
does not inadvertently capture some other user’s terminal. Any
other terminal that hears the broadcast message from the printer
may try to link to it, therefore you should insure that only one ter—
minal is within broadcast range Feedback is available from the
printer as to the outcome of the link operation.
22 QL 320 User's Guide
BluetoothW' Networking Overview
A Exposure to Radio Frequency Radiation
The radiated output power of this internal wireless
radio is far below the FCC radio frequency exposure
limits. Nevertheless, this Bluetooth radio must be used
in such a manner that the antenna is 2.5 cm or further
from the human body.
The radio and antenna are mounted internally in this
printer in such a way that, when the printer is used in a
standard configuration (belt clip, soft case, shoulder
strap), the 2.5 cm distance from the users body will be
met. Do not use the printer in an unauthorized manner.
The internal wireless radio operates within guidelines
found in radio frequency safety standards and
recommendations. The level of energy emitted is far
less than the electromagnetic energy emitted by
wireless devices such as mobile phones.
“Bluetooth” is a worldwide standard for the exchange of data be-
tween two devices via radio frequencies. Blue-tooth radios are rel-
atively low powered to help prevent interference with other
devices running at similar radio frequencies. This limits the range
of a Bluetooth device to about 10 meters (about 32 feet).
In order to exchange data, two Bluetooth enabled devices must
establish a connection. Bluetooth software is always running in
the background, ready to respond to connection requests. One
device (known as the masteror the client) must request a connec—
tion with another. The second device (the slave or the server)
then accepts or rejects the connection. A Bluetooth enabled QL
320 will normally act as a slave, but in theory any Bluetooth de~
vice can be either a master or a slave. This miniature network is
sometimes referred to as a “piconet” and can consist of several
Bluetooth enabled devices.
Each Bluetooth QL 320 has a unique Bluetooth Device Address
(BDA) loaded into its Quick Link module when manufactured.
A Typical Bluetooth Connection Sequence
In this simplified sequence “Joe's Terminal" is a Bluetooth ready
hand held terminal running an application that needs access to a
printer.
1. Joe's Terminal performs a search of its “piccnet” (a Device In—
QL 320 User's Guide 23
quiry) and determines that there are four Bluetooth devices in the
vicinity.
2. Joe’s Terminal queries each of the four nearby devices to de—
termine which services they provide (a Service Discovery). The
Bluetooth enabled QL 320 “Sandy’s Printer" offers the printing ser—
VICE.
3. Joe’s Terminal sends a print connection request to Sandy’s
Printer.
4. Sandy’s Printer evaluates the request and determines that
Joe's Terminal is permitted to use the print service, but only iflhe
Correct password is submitted.
5. Sandy's Printer queries Joe's Terminal for the password (Au—
thentication).
6. Joe’s Terminal returns the correct password and the print con-
nection is established.
7. After Joe's Terminal is finished printing it disconnects with
Sandy's Printer. (Some Bluetooth services disconnect automati—
cally, others must be closed manually.)
There are several layers of security in the Bluetooth system, so
this sequence may not be a completely accurate representation of
how your printer may function in a Bluetooth environment. For the
most part, communications using the Bluetooth protocol are initi-
ated and processed without any operator intervention. much like
the IrDA system described previously.
24 QL 320 User's Guide
Wireless Local Area Network (WLAN)
WARNING: Use of the QL 320 will result in
exposure to Radio Frequency radiation. To conform to
FCC RF exposure requirements the printer must be
used only in the intended orientation and in the
intended manner.
Printers equipped for Wireless Local Area Network (WLAN)
communications using the industry standard 802.11 or 802.11b
protocols are known as QL 320N Printers. These printers allow
wireless communication as a node within a local area network,
and its wireless capabilities allow communications from any point
within the LAN’s perimeter. Methods of establishing communica-
tions to the CL 320 will vary with each LAN application
QL 320N printers can be identified the model number on the
front of the unit.
The QL 320N is designed for use with either a shoulder strap
and a specially designed soft case, or with a belt clip. The printer
should be oriented on the operator’s hip so that printed material is
transported away from the operator
When the QL 320N is used as designed, either the printer’s soft
case or the belt clip will allow use of the printer in the manner
mandated by the FCC.
QL 320 Users Guide 25
Setting Up the Software
The QL 320 uses Zebra's CPL Programming language which
was designed for mobile printing applications. CPL is fully de—
scribed in the Mobile Printing Systems Programming Manual,
which is available in Portable Document Format (pdf) on-line
at Zebra's website
You can also use Label Vista”, Zebra’s WindowsTM based label
creation program which uses a graphical interface to create and
edit labels in the CPL language Label Vista is available either on—
Iine at Zebra’s website, or on a CD (part number AC15065-1),
The QL 320 with its optional memory upgrade can support an
interpreter for ZPL ll®, the programming language used by Zebra
desktop printers To use ZPL II, refer to the ZPL ll Programming
Guide. If you choose to use a third party label preparation system,
follow the installation instructions included in the package.
26 (AL 320 User’s Guide
Adjustable Shoulder Strap
Refer to Figure 14, below
Snap each end of the shoulder strap into the “D" rings in the top
of the printer Slide the buckle away from or towards the printer
until you achieve the desired length.
Pull Strap here
Full Strap here to lengthen
in shorter!
Snap m m “D”
rings on
printer
FIGURE 14
QL 320 User's Guide 27
Belt Clip
if the QL 320 is equipped with a belt clip. hook the clip over your
belt, and ensure that the clip is securely attached to the bell. The
belt clip will pivot to allow you to move freely while wearing the
printer.
Dress cables
through [his
slot
Clip primer m
belt
Printer can
plvul freely
FIGURE 15
28 QL 320 User’s Guide
Preventive Maintenance
A WARNING: To avoid possible personal injury or
damage to the printer, never insert any pointed or sharp
objects into the printer.
Extending Battery Life
Never expose the battery to direct sunlight or temperatures
over 104° F (40° C)
- Always use a Zebra charger designed specifically for Li—
thium—Ion batteries. Use of any other kind of charger may
damage the battery
- Choose the media that is easiest to “burn." An authorized
Zebra re-seller can help you determine the optimum media
for your application
- If you print the same text or graphic on every label, consid-
er using a pre-printed label.
- Choose the correct print darkness, and print speed for your
media.
- Use software handshaking (XON/XOFF) whenever possi-
ble.
- Select Tear-Off mode whenever possible (Peel-Off mode
uses more power).
- If your printer has the optional LCD display: Use the display
backlight only when necessary. Turn it off whenever it is not
needed. The LCD backlight consumes a great deal of pow-
er.
- Pull the battery out of the printer if the printer won’t be used
for a day or more and you’re not performing a maintenance
charger
~ Consider purchasing an extra battery.
~ Remember that any rechargeable battery will lose its ability
to maintain a charge over time, It can only be recharged a
finite number of times before it must be replaced.
QL 320 Users Guide 29
Label
, Presence
Peeler Ba! Rollers Sensar \
Tear Bar\¢ I
f//
Prinrhead
Elements
Bar Sensor
Gap Sensor
Peeler Ear
FlGURE 16
30 QL 320 User's Guide
Cleaning
A CAUTION.- Use only the cleaning agents
indicated. Zebra Technologies Corporation will not be
responsible for damage caused by any other cleaning
materials used on this printer.
Never use any sharp objects on the printer mechanism
as it could damage the print head. Use only the
cleaning pen supplied with the printer or a cotton swab
saturated with alcohol for cleaning the printer.
Use the supplied cleaning pen or 70%
lsopropyl alcohol on a ootton swab to
clean the print elements from end to
end (the print elements are located in
Prinlhead the thin gray llne on the prlntheao).
(Figure 16) lfprint quality has not improved after
performing this procedure, try cleaning
the print/"lead with 5 Cleaning Pad.
This specially prepared material
removes contamination buildup Without
demaglng the printhead. Refer to
Appendix 0 for more information.
After every five
rolls cl media (or
more often. if
needed)
Linerless media
requires more
frequent
cleaning.
Pee, bar Clean thoroughly with the cleaning pen
(Figure 16) or 7070 isopropyl alcohol and a cotton
As needed
QL 32!) User's Guide 31
Troub e oot ng
Standard Control Panel
If the printer is not functioning properly, refer to the chart below
to find the state of the two LEDs on the Control Panel. Then refer
to the Troubleshooting topic referenced in the chart to resolve the
problem.
Green LED Yellow LED Indication Ref. toTopic
Steady on Normal Operation, n/a
arid/or RF Link established
‘Ofl Powe icifi‘
Fast Blink N0 RF Link
» W's-fli-
amid
Steady Out of media, or
Media Cover not closed
slow Blink .
Steady" ‘ astBIink Noflngl RF Wan.
s . amiii’éfl at
Steady Fast Blink. N0 application
Beeper Sounds
Optional LCD Control Panel
The top of the display shows several icons which indicate vari—
ous printer functions. Check the indicator status, then refer to the
Troubleshooting topic referenced in the chart to resolve the prob-
lem.
N0 RF Link
Flashing
‘ Flashing '
Flashing
32 QL 320 Users Guide
Troubleshooting Topics
1. No power
~ Check that battery is installed properly
- Recharge or replace battery as necessary.
2. Media does not feed:
~ Be sure print head is closed and latched.
. Check spindle holding media for any binding.
- Ifunit is equipped with label presence sensor:
Insure most recently printed label is removed.
Also insure label sensor is not blocked.
3. Poor or faded print or III! flashing:
' Clean print head.
- Check battery and recharge or replace as necessary
' Check quality of media.
4. Partial/missing print:
- Check media alignment
- Clean print head.
- Insure printhead is properly closed and latched,
5. Garbled print:
- Check baud rate.
6. No print:
- Check baud rate
~ Replace battery
- Check cable to terminal
~ Establish RF Link (Wireless units only) or restore LAN
associativity (QL 320N models only)
- invalid label format or command structure 7 put printer in
Communications Diagnostic (Hex Dump) Mode to diagnose
problem.
7. Reduced battery life
' Check battery date code — if battery is one to two years old,
short life may be due to normal aging.
- Recondition battery.
- Replace battery.
8. Yellow error light or B flashing:
~ No application or application corrupted: reload program.
- If using wireless communications: flashing indicator is normal
while data is being transmitted or received.
continued an next page
QL 320 User's Guide 33
9. Yellow error light always on, or B flashing:
- Check media is loaded and print head is closed and
securely latched.
10. Skips labels:
~ Check media for top of form sense mark or label gap.
- Check that the maximum print field has not been exceeded on
label.
- lnsure bar/ or gap sensor is not blocked or
malfunctioning
11. Communication Error:
' Check media is loaded, head is closed and error
light is off.
- Check baud rate.
~ Replace cable to terminal.
12. Label Jam:
- Open head release latch and media cover.
~ Generously apply aloohol to printer in area of
jammed label.
13. Blank LCD Screen (only for units with optional LCD
control panel)
~ No application loaded or application corrupted: reload program.
Troubleshooting Tests
Printing a Configuration Label
To print out a listing of the printer’s current configuration follow
these steps:
1.Turn the printer off, Load the media compartment with jour-
nal media (media with no black bars printed on the back)
2. Press and hold the Feed Button.
3. Press and release the Power button and keep the Feed but—
ton pressed. When printing starts, release the Feed button.
The printer will generate a configuration label as shown on Fig-
ures 17 and 17a:
34 CL 320 User's Guide
Sample Configuration Label
Print Head Test
zmumm mm was“;
on: rm "maul“:
mlflifi 1")!
main: am.“
ma «ma w an
am am— men In
zn-mwuv 7mm: 3» an
“- Nwerv shot-am: an
{MWNWHA
————————————
um 0L an thrfi Silt-361
lulu Human:
1:
mm mama an
.— End ufFirstRspurt
Unit Serial Number
mix-4
pplicatian Number
wetthi.m.lm.fl1 us
can» cummmnnm:
“It. 95. NJ»!
“mmzmmwv
i z a
Vlhvlmfiammunlndem:
Repun appears on! on
human: y
units with wireless options
m we ,
m: m mama WSW“?- .
«an. s Units With nu Wlleless
m'mmmm', aplr'ons will prim an empty
xvv-cmnzy film m w line and resume the repan.
mummy film
at“!
Peripherals installed: In
(his example the LCD
display option is nu!
installed,
FIGURE 7 7
ca ed on next gags
QL 320 Users Guide 35
Sample Configuration Label (continued)
(m
m shat-mm,
w Ham.“
"fill.“ “(a
, mm kylm.
Flash Memory Sl'zs
Wm 175 M5. 1—’ a
new- mm mm 2154 m
M -{i-a1)
9|flmli:fl:.1h‘:m.t~r: u]
hfiul 9mm:
sum [mum]
0-4 [mm 5.0l" (mm-am}
Mr [Nam 1h . mar: u
Immtu—v
Maxlmum Label Size
Residenl Fonts
(antenna?) 1
“WM“ Pre»scaled mm (.cpf)
lisled separaiely
Flles Loaded ln Printer
Memory (wl'Il include Pie
scaled or Scalable Pants)
Amount of Memory
Available
7M CV“! ff“
(Zammnd Luge-m
«t it? ’ ‘ ‘Zlfl
in! v? mam,
Prm 1mm
tlllfllfl. Firm“!v
lnsliueiluns on enlerlng
Communications
Diagnostics (Dump) Mode.
m m»: -n wtl'l!
FlGURE 17A
35 QL 320 User's Guide
Communications Diagnostics
If there's a problem transferring data between the computer and
the printer, try putting the printer in the Communications Diagnos-
tics Mode (also referred to as the “DUMP" mode). The printer will
print the ASCII characters and their and their text representation
(or the period if not a printable character) for any data received
from the host computer
To enter Communications Diagnostics Mode:
1. Print a configuration label as described on pg. 34.
5. At the end of 2nd diagnostics report, the printer will print:
“Press FEED key to enter DUMP mode".
6. Press the FEED key. The printer will print: “Entering DUMP
mode".
Note: If the FEED key is not pressed within 3 seconds, the printer wIlI print "DUMP
made not Entered" and will resume normal operation.
7. At this point, the printer is in DUMP mode and will print the
ASCII hex codes of any data sent to it, and their text repre-
sentation (or if not a printable character).
Additionally, a file with a “.dmp" extension containing the ASCII
information will be created and stored in the printer’s memory. It
can be viewed, “cloned" or deleted using the Label Vista applica-
tion. (Refer the Label Vista documentation for more information.)
To terminate the Communications Diagnostics Mode and return
the printer to normal operations:
1.Turn the printer OFF.
2. Wait 5 seconds.
3. Turn the printer ON.
Calling the Help Desk
If the printer fails to print the configuration label, or you encoun-
ter problems not covered in the Troubleshooting Guide, contact
the Help Desk. Help Desk addresses and phone numbers for
your area can be found in Appendix D of this manual. The Help
Desk will need the following information:
- Model number/type (e.g. QL 320)
- Unit serial number (Found on the large label on the back of
the printer, also found in the configuration label printout))
- Product Configuration Code (PCC) (15 digit number found
on the small label on the back of the unit)
QL 320 User's Guide 37
ec cat ons
I /
1135 More.- Primer snecificalions are subject to change wllhout notice.
Printing Specifications
Print Density 203 dots/inch (a dots/mm)
m i V ,
“H“ .
Up to 23“ (7112‘mm)
4" per second (1013 mm per second)
, 69‘150Km)‘nom|hé| V ' ‘ ° ‘ A-
Distance 1mm 571" (14.5 mm)
Print Element 116 dots
in Top of Form
1 MB flash (standard); 2MB flash (options!)
MB'VS'RAMmm'Idngly W fa?
Slandard RS-232 Serial port (8 Pin circular DIN Connector)
Communications Configurable Baud rate (from 9600 to 57.6 Kbps),
parity and data bits
Soflware (X-ON/X-OFF) or hardware (DTR/STR)
communication handshake protocols.
38 QL 320 User's Guide
Label Specifications
Label/Tag Widlh
Label Roll Size
Max. Diameter
Inner Core
Dlameter
Fonts Availabie
1.5' to 3.1" (38.1 mm I0 78.4 mm)
.oa to.16'(.12 preferred)
2 mm to 4 mm (3 mm preferred)
2.625" (66.7 mm) DD.
.75" (19 mm) std, 1.38" (35.05 mm) optional
Use Zebm-brand direct memal media lhat is ouLside
wound. Media may be reflective (black mark) sensing or
vansmlsslve (gap) sensing. die-cut. continuous or
Iinerlsss.
For die-cu! labels, use only full auln dies.
Five resident scalable and rotatable foan available
from 12-48 pt.
Downloadable pre—scaled fonts via Label Vista“
software
Optional international characler sets
PDF 417
QL 320 Usefs Guide
Physical/EnvironmentaIlElectricaI Specifications
3 1, 3.9"
175 imm] [97.3 mm]
v l
5,0"
8.3" [2012 mm]
[210.2 mm]
4.50-
<—r11s.a mm]——'
Weight
w/ battery
exciuding media.
Relative Humidity
Operation
40
FIGURE 18 OVERALL D/MENSIONS
1.55 lbs. (.75 kg.)
QL 320 User's Guide

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