Zebra Technologies MD-ZBR5QLN Zebra Embedded BT radio User Manual 1 of 3

Zebra Technologies Corporation Zebra Embedded BT radio 1 of 3

Contents

User Manual 1 of 3

P1028026-001November 2010Zebra QLn320Mobile PrinterOKZEBRAQLn320
2QLn Series User GuideTable of ContentsProprietary Statements ............................................................................................4Document Conventions ...........................................................................................6Introduction to the QLn320™ Printer ..................................................................7Unpacking and Inspection ............................................................... 7Reporting Damage ........................................................................... 7QLn320 Technology ...................................................................................................8Smart Battery .................................................................................................8Printing Technology ......................................................................................9Direct Thermal ...............................................................................................9QLn320 Overview  ................................................................................................... 10Getting Ready to Print ........................................................................................... 12Battery ............................................................................................. 12Installing the Battery ...................................................................................12Smart Charger-2 (SC2) Single Battery Charger ............................ 13Model UCLI72-4 Quad Charger ...................................................................15Battery Safety ..............................................................................................16Charger Safety .............................................................................................17QLn-EC Ethernet Cradle ................................................................. 18AC Power Adapter (included in kit p/n P1031365-024) ..............................21Loading the Media in the QLn320    ........................................22Loading Media in Peel-off Mode .................................................................24Operator Controls .......................................................................... 25Standard Control Panel ...............................................................................25LCD Control Panel .......................................................................................27Status Bar Icons ..........................................................................................28Main Menu Screen ......................................................................................30Programmable LCD Settings ......................................................................31Verify the Printer Is Working ......................................................... 32Printing a Configuration Label ....................................................................32Connecting the Printer ................................................................... 32Cable Communication .................................................................................33RS-232C Communications ..........................................................................33USB Communications  ................................................................................33Providing Strain Relief for Communications Cable ...................................34Wireless Communications with Bluetooth™ ..............................................36Bluetooth Networking Overview ................................................................36WLAN Overview ............................................................................. 37Setting Up the Software ................................................................ 37Using the Accessories.............................................................................................38Swivel Belt Clip ............................................................................................38Hand Strap ...................................................................................................40Preventive Maintenance ....................................................................................... 41Extending Battery Life ................................................................... 41General Cleaning Instructions ....................................................... 41QLn320 Cleaning ......................................................................................42Troubleshooting ......................................................................................................44Front Control Panel ........................................................................44LCD Control Panel Indicators ........................................................45Troubleshooting Tests ...................................................................48
3QLn Series User GuidePrinting a Configuration Label ....................................................................48Communications Diagnostics .....................................................................48Contacting Technical Support .....................................................................49Specications ............................................................................................................ 53Printing Specifications  ...............................................................................53Memory and Communications Specifications ...........................................53Label Specifications ....................................................................................54CPCL Font and Bar Code Specifications and Commands .........................55ZPL Font and Bar Code Specifications and Commands ............................56Communications Ports ................................................................................57Physical, Environmental and Electrical Specifications ..............................58QLn320 Accessories  ...................................................................................60Appendix A ................................................................................................................ 61Interface Cables ...........................................................................................61RS232 Cables ...............................................................................................61USB Cable ....................................................................................................62More Interface Cables .................................................................................62Appendix B.................................................................................................................63Media Supplies ............................................................................................63Appendix C ................................................................................................................ 63Maintenance Supplies .................................................................................63Appendix D ................................................................................................................64Product Support ..........................................................................................64Appendix E .................................................................................................................66Battery Disposal ..........................................................................................66Product Disposal .........................................................................................66Appendix F ................................................................................................................. 67Using zebra.com..........................................................................................67Index ............................................................................................................................. 69Patent Numbers ....................................................................................................... 70
4QLn Series User GuideProprietary StatementsThis manual contains proprietary information of Zebra Technologies Corporation.  It is intended solely for the information and use of parties operating and maintaining the equip-ment described herein.  Such proprietary information may not be used, reproduced, or dis-closed to any other parties for any other purpose without the expressed written permission of Zebra Technologies Corporation.Product ImprovementsSince continuous product improvement is a policy of Zebra Technologies Corporation, all specifications and signs are subject to change without notice.Agency Approvals and Regulatory Information  • Design certified by TUV  • FCC part 15 Class B  • Canadian STD RSS-210  • EN55024:2003 European Immunity Standard  • EN60950: 2006 Safety Standard  • NOM/ETL (Mexico)  • C-Tick (Australia)  • EN55022:2006 Class B European       Electromagnetic Radiation StandardLiability DisclaimerInasmuch as every effort has been made to supply accurate information in this manual, Zebra Technologies Corporation is not liable for any erroneous information or omissions. Zebra Technologies Corporation reserves the right to correct any such errors and disclaims liability resulting therefrom.No Liability for Consequential DamageIn no event shall Zebra Technologies Corporation or anyone else involved in the creation, production, or delivery of the accompanying product (including hardware and software) be liable for any damages whatsoever (including, without limitation, damages for loss of business profits, business interruption, loss of business information, or other pecuniary loss) arising out of the use of or the results of use of or inability to use such product, even if Zebra Technologies Corporation has been advised of the possibility of such damages.  Because some states do not allow the exclusion of liability for consequential or incidental damages, the above limitation may not apply to you.CopyrightsThe copyrights in this manual and the label print engine described therein are owned by Zebra Technologies Corporation. Unauthorized reproduction of this manual or the software in the label print engine may result in imprisonment of up to one year and fines of up to $10,000 (17 U.S.C.506). Copyright violators may be subject to civil liability.This product may contain ZPL®, ZPL II®, and ZebraLinktm programs; Element Energy Equal-izer® Circuit; E3®; and AGFA fonts. Software © ZIH Corp. All rights reserved worldwide.ZebraLink and all product names and numbers are trademarks, and Zebra, the Zebra logo, ZPL, ZPL II, Element Energy Equalizer Circuit, and E3 Circuit are registered trademarks of ZIH Corp. All rights reserved worldwide.Monotype®, Intellifont® and UFST® are trademarks of Monotype Imaging, Inc. registered in the United States Patent and Trademark Office and may be registered in certain jurisdic-tions. AndyTM , CG PalacioTM, CG Century SchoolbookTM, CG TriumvirateTM, CG TimesTM, Monotype KaiTM, Monotype MinchoTM and Monotype SungTM are trademarks of Monotype Imaging, Inc. and may be registered in some jurisdictions. HY Gothic HangulTM is a trademark of Hanyang Systems, Inc.AngsanaTM is a trademark of Unity Progress Company (UPC) Limited.Andale®, Arial®, Book Antiqua®, Corsiva®, Gill Sans®, Sorts® and Times New Roman®  are trademarks of The Monotype Corporation registered in the United States Patent and Trade-mark Office and may be registered in certain jurisdictions.Century Gothic™, Bookman Old StyleTM and Century SchoolbookTM are trademarks of The Monotype Corporation and may be registered in certain jurisdictions. HGPGothicB is a trademark of the Ricoh company, Ltd. and may be registered in some ju-risdictions.UniversTM is a trademark of Heidelberger Druckmaschinen AG, which may be registered in certain jurisdictions, exclusively licensed through Linotype Library GmbH, a wholly owned
5QLn Series User Guidesubsidiary of Heidelberger Druckmaschinen AG.Futura® is a trademark of Bauer Types SA registered in the United States Patent and Trade-mark Office and may be registered in some jurisdictions.TrueType® is a trademark of Apple Computer, Inc. registered in the United States Patent and Trademark Office and may be registered in certain jurisdictions.All other product names are the property of their respective owners. © 1996–2009, QNX Software Systems GmbH & Co. KG. All rights reserved.  Published un-der license by QNX Software Systems Co. All other brand names, product names, or trademarks belong to their respective holders.©2010 ZIH Corp.
6QLn Series User GuideDocument ConventionsThe following conventions are used throughout this docu-ment to convey certain information:Cautions, Important, and Note   Caution • Warns you of the potential for electrostatic discharge.  Caution • Warns you of a potential electric shock situation.  Caution • Warns you of a situation where excessive heat could cause a burn  Caution • Advises you that failure to take or avoid a specic action could result in physical harm to you.  Caution • Advises you that failure to take or avoid a specic action could result in physical harm to the hardware.  Important • Advises you of information that is essential to complete a task.  Note • Indicates neutral or positive information that emphasizes or supplements important points of the main text.
7QLn Series User GuideIntroduction to the QLn320™ PrinterThank you for choosing our Zebra® QLn320™  Mobile Printer. You will find this rugged printer will become a productive and efficient addition to your workplace thanks to its innovative design. Zebra Technologies is the leader in industrial printers with world-class sup-port for all of your bar code printers, software, and supplies.This user’s guide gives you the information you will need to op-erate the QLn320 printer. The QLn320 printer uses CPCL and ZPL programming languages.  To create and print labels using the CPCL and ZPL languages, refer to the Mobile Printing Systems CPCL Programming Manual and  ZPL Programming Guide (available at www.zebra.com/manuals)  QLn Series Software Utilities:• Zebra Net Bridge™ : printer configuration, fleet management• Zebra Setup Utility: single printer configuration, quick setup• Zebra Designer Pro: label design• Zebra Designer Drivers: Windows® driver• OPOS Driver: Windows driver• Multiplatform SDK(These utilities can be found at www.zebra.com and on the product CD.)Unpacking and InspectionInspect the printer for possible shipping damage:• Check all exterior surfaces for damage.• Open the media cover (refer to “Loading the Media” in the Getting Ready to Print section) and inspect the media compartment for damage.In case shipping is required, save the carton and all packing mate-rial.Reporting DamageIf you discover shipping damage:• Immediately notify and file a damage report with the ship-ping company. Zebra Technologies Corporation is not re-sponsible for any damage incurred during shipment of the printer and will not cover the repair of this damage under its warranty policy.• Keep the carton and all packing material for inspection.• Notify your authorized Zebra re-seller.
8QLn Series User GuideQLn320 TechnologyThe QLn320 uses several technologies made popular in oth-er Zebra Mobile Printer product lines.Smart BatteryThe QLn320 battery pack is a high capacity, smart Lithium Ion bat-tery that contains electronics which allow the printer to monitor its operating parameters.  Among these are the number of charge cycles it has undergone and its date of manufacture. Using these parameters, the QLn320’s software can monitor the battery’s condition and alert the user when to recharge or remove the battery from service.Operating Temperature Charging Temperature Storage Temperature-200C to +500C 00C to +400C -250C to +650C The QLn320 printer will only function properly with genuine Zebra smart battery packs. The smart battery’s health has three states: GOOD, REPLACE, and POOR. The battery health factor determines whether or not the print-er can operate and what is communicated to the user via the display.  # of Charge Cycles Health Power-up Message<300 GOOD None<550 but >/=300 REPLACE “Battery Capacity Diminished-Consider Replacing” *>/=550 but <600 REPLACE “Warning-Battery is Past its Useful Life” **>/=600 POOR “Please Replace Battery Before Proceeding-Shutting Down” **** Warning accompanied by three beeps in rapid succession.** Warning accompanied by a series of three double beeps in rapid succession.*** Warning will ash on and o and be accompanied by beeping at a rate of once per second. After 30 seconds the printer will shut down.
9QLn Series User GuidePrinting TechnologyThe QLn320 uses the Direct Thermal method to print human read-ible text, graphics and barcodes. It incorporates a sophisticated print engine for optimal printing under all operational conditions.Direct ThermalDirect thermal printing uses heat to cause a chemical reaction on specially treated media.  This reaction creates a dark mark wherever a heated element on the printhead comes in contact with the media.  Since the printing elements are arranged very densely at 203 d.p.i. (dots per inch) horizontal and 200 d.p.i. vertical, highly legible char-acters and graphic elements may be created a row at a time as the media is advanced past the printhead.  This technology has the ad-vantage of simplicity, as there is no requirement for consumable sup-plies such as ink or toner.  However, since the media is sensitive to heat, it will gradually loose legibility over long periods of time, espe-cially if exposed to environments with relatively high temperatures.
10QLn Series User GuideQLn320 Overview 1  Platen Roller2.  Bar Sensor3.  Media Support Disks4.   Tear Bar5.  Label Presence Sensor6.  Peeler Lever7.  Peeler Bail8.  Latch Release Lever9.  Key Pad10.  Strap Post 11.   Status Screen12.  Printhead13.  Media Cover14.  Gap Sensor98114121310  Figure 1: QLn320 12356714
11QLn Series User Guide151617181915.  Belt Clip16.  Battery17.  USB/ RS-232 Comm Ports18.  MAC Address Label19.  Docking Contacts20.. DC Input20
12QLn Series User GuideGetting Ready to PrintBatteryInstalling the Battery   Important • Batteries are shipped partially charged.  Remove protective shrink-wrap and labels from new battery packs prior to use.1. Locate the battery compartment on the bottom of the printer.2. Insert the battery into the printer as shown in Figure 2. (It is not possible to insert the pack in an incorrect orientation.)3. Rock the battery into the compartment as shown until it locks in place.When the battery is first installed, the control panel indica-tors may briefly turn on and then go off which indicates the battery is not fully charged (see “Charging the Battery” below and “Operator Controls”). You must charge the batteries fully before using them for the first time.  To ensure maximum battery capacity, new bat-teries should go through two or three complete charge/dis-charge cycles when first put into service.Figure 2: Installing the BatteryBatteryBelt Clip
13QLn Series User GuideThe Smart Charger-2 (SC2) is a charging system for use with the 2-cell lithium-ion smart batteries used in the QLn320 printer. The goal of the SC2 is to fully charge a QLn320 battery in an average time of three (3) hours. Charging Status IndicatorsThe SC2 uses a LED indicator to indicate the charge state in either Green, Yellow, or Amber as detailed below.DC Power Input Indicator Battery Statusn/a Off Battery not presentPresent Green Fully chargedPresent Yellow ChargingPresent Amber FaultPresent Off Present and Battery Health = POORThere will also be a battery charging graphic to indicate that this LED is the charging status indicator. Battery Health IndicatorThe SC2 features a tri-color (Yellow/Green/Amber) LED to indicate the health of the battery pack. An evaluation of the battery health be-gins upon insertion of the battery in the charger and results in the ap-propriate LED being illuminated as shown below. The LED will remain illuminated as long as input power is applied.Battery Indicator Health StatusNone or non-smart OffSmart battery present Green GOODSmart battery present Yellow CAPACITY DIMINISHEDSmart battery present Flashing yellow PAST USEFUL LIFESmart battery present Amber UNUSABLE-REPLACE (discard per Instructions in Appendix E Smart Charger-2 (SC2) Single Battery Charger
14QLn Series User GuideFigure 3: Single Charger (SC2)Charge Status LED IndicatorSmart BatteryFigure 4: SC2 DimensionsHealth Status LED Indicator   Dimension information to be provided.
15QLn Series User GuideModel UCLI72-4 Quad ChargerThe UCLI72-4 Quad Charger is designed to charge up to four QLn320 battery packs simultaneously.  Batteries must be removed from the printer to be charged in the Quad Charger.1.  Ensure that the charger has been installed properly per the Quad Charger instruction manual.  Ensure that the power indicator on the front panel is on.2.  Remove any protective shrink-wrap and labels from all battery packs prior to use. Plug a battery pack into any one of the four charging bays as shown in Figure 5, noting the orientation of the battery pack. Slide the battery pack into the charging bay until it stops and then rock the battery pack back until it snaps into place. The amber indicator di-rectly under the battery being charged will turn on if the battery is properly inserted.The indicators under the battery will allow you to monitor the charging process per the table below:Amber  Green  Battery StatusOn Off ChargingOn Flashing 80% charged (O.K. to use)Off On Completely ChargedFlashing Off Fault    Important •  A fault condition is caused by a problem with the battery.  The charger may indicate a fault because the battery is too hot or cold to charge reliably. Try to charge the battery again when it returns to the room’s ambient temperature.  If the amber indicator starts ashing on the second attempt, the battery should be discarded. Always dispose of batteries in a proper manner as described in Appendix E.
16QLn Series User GuideQuad Charger Cycle Times :Battery Status QLn320 Battery 80% Charged 1.5 Hrs. Battery Fully Charged 3 Hrs.    Note • These times are for completely discharged batteries.Battery packs which are only partially discharged will take less time to reach their charged state.  Batteries which have reached 80% of their charge capacity may be used, however, it is recommended that you allow the batteries to reach a full charge to maintain maximum battery life.  The UCLI72-4 Quad Charger has a safety feature which stops charging a battery after six hours regardless of its charge state.  If not fully charged, it might be indicative of a battery that needs to be replaced.Battery Safety    Caution • Avoid accidental short circuiting of any battery. Allowing battery terminals to contact conductive material will create a short circuit which could cause burns and other injuries or could start a re.  Important • Always refer to the Important Safety Information data sheet shipped with each printer and the Technical Bulletin shipped with each battery pack.  These documents detail procedures to ensure maximum reliability and safety while using this printer.    Important • Always dispose of used batteries properly.  Refer to Appendix E for more battery recycling information.  Caution • Use of any charger not approved specically by Zebra for use with its batteries could cause damage to the battery pack or the printer and will void the warranty.  Caution • Do not incinerate, disassemble, short circuit, or expose to temperatures higher than 60oC (140oF).
17QLn Series User GuidecontinuedFaultFast ChargeFaultFast ChargeFaultFast ChargeReadyPowerFull ChargeReadyFull ChargeReadyFull ChargeFull ChargeFaultFast ChargeReadyCharger Safety  Do not place any charger in  locations where liquids or metallic objects may be dropped into the charging bays.                Use care when installing the UCLI72-4  Quad Charger so that you do not block the ventilating slots on the top and bottom covers. Ensure that the charger is plugged into a power source which will not accidently be turned o if you will be charging batteries overnight.Figure 5: Quad ChargerCharger BayAmberIndicator GreenIndicatorPower IndicatorPower Supply1. Slide Battery Pack into Charger bay.2. Rock Battery Pack into place.
18QLn Series User GuideQLn-EC Ethernet CradleThe Ethernet Cradle (EC) is an expansion base intended for use with the QLn320 printer, as well as the QLn220 printer. There is a four bay cradle (QLn-EC4) or a single bay option (QLn-EC) as shown on pages 19 and 20. It provides charging power to the docked printer as well as provid-ing a standard 10/100Mb/S Ethernet port for communication to the printer.  The EC also supplies battery charging power to the docked printer and acts as a supplementary power source for a functioning QLn printer.  The EC features two green LED’s to indicate the status of the cradle: Solid green to indicate when power         is provided to the input of the EC; and blinking green to indicate Ethernet ac-tivity         . The cradle allows the user to dock the printer easily and remove it with the push of a button. The printer shall remain operable while docked, i.e. display is viewable, charge LED status is viewable, and printer controls and data entry are available.  The printer will still print while docked and the user shall be able to replace the media as well.    NOTE: Remove the “Docking Cradle Access” label on the bottom of  the printer before docking the printer in the cradle.LED Status IndicationSolid Green Power OnBlinking Green Ethernet Activity
19QLn Series User GuideFigure 6: Ethernet Cradle (Four Bay)Docking BayEthernet  Status IndicatorFigure 7: QLn-EC4 DimensionsPower Status Indicator   Dimension information to be provided.Release Button
20QLn Series User GuideFigure 8: Ethernet Cradler (Single Bay)Figure 9: QLn-EC DimensionsEthernet Status IndicatorPower Status Indicator    Dimension information to be provided.Release Button
21QLn Series User GuideAC Power Adapter (included in kit p/n P1031365-024)Qln320 AC Adapter DC InputAC Power Cord (varies with location) •  Open the protective cover on the QLn320 printer to expose the DC input charger jack.•  Connect the appropriate AC power cord for your location to the adapter and then plug the power cord into an AC receptacle.•  Plug the barrel plug  from the P1029871 AC adapter into the charger jack on the printer.•  The printer will power up and begin charging. The printer can be left on or turned off at this point. Charging will continue in ei-ther state.            Batteries are shipped uncharged. Remove protective shrink-wrap and labels from new battery packs and allow them to charge completely prior to initial use.             While it’s possible to charge the battery when using the printer, charge times will increase under this condition.Figure 10: Charging the Battery Pack with the AC Power Adapter)
22QLn Series User GuideLoading the Media in the QLn320You can operate QLn320 printers in one of two different modes: Tear-Off or Peel-Off. Tear-Off mode allows you to tear off each label (or a strip of labels) after it is printed. In Peel-Off mode, the backing material is peeled away from the label as it is printed. After you remove this label, the next one is printed.1. Open the printer.  •  Press down on the latch release lever on the side of the print-er as shown at “1” in Figure 11 below.  The Media Cover will open automatically as shown at “2” below, exposing the Media Compartment and the adjustable Media Supports.Media Support (opposite support not visible)  Figure 11: Opening the QLn320 Media CompartmentLatch Release LeverMedia Cover
23QLn Series User Guide2. Load the media: •  Grasp the media supports where shown in Figure 12 and pull them apart.  Insert the roll of media between them, and let the media supports close.  Ensure that the media pulls off the core in the direction shown below.  The supports will adjust themselves to the width of the media, and the media should be able to spin freely on the supports.continued3. Close the Media Cover.  •  If you plan to use the printer in the tear-off mode, close the me-dia cover as shown below.4  Figure 12: Loading Media Media RollNote direction media pulls o the roll.Grasp Media Sup-ports where shown and pull  apart. Close Media Cover.Pull Media  out  of Printer.
24QLn Series User GuideLoading Media in Peel-o Mode•  If you plan to use the printer in the peel-off mode, peel a few la-bels off of the media and load the media as previously described. •  Push the peeler lever forward to release the peeler bail into the “up” position as shown at “3” and “4” in Figure 13. •  Close the media cover to lock the peeler bail in place. The media will feed between the peeler bail and platen.Peeler Lever  Figure 13: Activating Peeler Bar•  Turn on the printer or press the Feed button on the front of the printer if the printer is already on.  The printer will advance the media to the next label, if printing labels.  If you are printing on journal media, the printer will ad-vance a short strip of media.To disengage the peeler bail, first open the media cover as previ-ously described. The peeler bail will automatically return to the Up position.Press straight down on the peeler bail to lock it in place in its origi-nal home position. Latch Release Lever4Peeler BailPull up and ip down if using media in the peel-o mode.
25QLn Series User GuideOperator ControlsThe QLn320 printer comes equipped with a keypad control panel and LCD graphical user interface. The standard con-trol panel is illustrated in Figure 14 and 15 on pages 26 and 27.  The LCD interface allows easy display and selection of many printer functions as detailed on following pages.Standard Control PanelThe standard control panel has multiple control buttons and two multipurpose indicators.•  The Power Button turns the printer on and off.•  The Media Feed Button advances a length of media which is de-termined by the type of media being used.  Label media will be advanced to the next gap or bar sense marker.  Journal (plain) media will be advanced by a length determined by the printer’s software.•  The LED Charge Indicator shows solid Yellow when charging, solid Green when fully charged, and solid Amber when there’s a fault condition.•  Four Way Navigation Buttons allow the user to scroll between functions on the LCD user space. (The Navigation Buttons do not apply to the Status Bar and Navigation Bar.)•  Enter Button allows the user to select the desired function high-lighted on the LCD interface and is indicated by the word “OK”.•  Two software defined function keys allow the user to select a function listed on the navigation bar.    continued
26QLn Series User Guide  Figure 14: Standard Control PanelLED Charge IndicatorSolid Yellow: ChargingSolid Amber: FaultSolid Green: Fully chargedFeed ButtonPress to advance the media  one blank label or a software determined length of journal media.Power ButtonPress to turn unit on.  Press again to turn unit o.
27QLn Series User GuidecontinuedLCD Control PanelThe 240x128 pixel LCD control panel allows the user to view the status of the QLn320 printer and have access to various printer alerts and messages.  It also has multi-directional keys which allow navigation and selection of menu options affect-ing printer functions. These keys allow scrolling through the various options and settings.  The “OK” button allows selec-tion of the option or function displayed on the screen.The top of the screen has a row of status icons, or a Status Bar, which indicate the state of various printer functions. The Status Bar is located on the Status Screen  shown below along with a Navigation Bar. The Status Screen is displayed before all other screens.Status ScreenDefault screen the printer will display when the user is not navigating the menu screen.Soft KeysPress to select a func-tion on the Navigation Bar.Printer Status Bar**Indicates the status of several printer functions.  Figure 15: LCD Control PanelFour Way Navigation ButtonsScroll through menu choices on Status Screen.Select ButtonPress to select a menu choice on the Status Screen.** Not every icon will be displayed on the Status Bar, only those applicable to the printer’s congu-ration.Navigation BarDisplays user-selectable options.
28QLn Series User GuideStatus Bar Icons         Indicates Bluetooth connection status. The icon will blink to show that the printer is receiving label data via Bluetooth, and is solid when link is established. This icon appears only on printers with the Bluetooth wireless op-tion installed.                        Indicates that the printer is connected to a radio network via 802.11 protocols. The antenna icon will blink with no parentheses when looking for an access point. One set of solid parentheses with blinking antenna indicates WLAN is associated and attempting authentica-tion. Two sets of solid parentheses and solid antenna in-dicates WLAN is associated and authenticated. The icon and two parentheses will blink to show the printer is re-ceiving printer data via WLAN. The four bars           indi-cate the strength of the WLAN connection to the access point. These icons appear only with the 802.11 radio in-stalled.         The Ethernet icon will blink when the printer is receiv-ing label data via the Ethernet connection. It will not be displayed on the status bar when the Ethernet is inactive. This icon appears only when the Ethernet option is in-stalled and the printer is docked in Ethernet cradle.         The Data icon indicates data being sent to the printer, i.e. the icon will blink when there is a label data transmis-sion via the serial or USB ports.          The Media Out icon will blink when there is no media in the printer and will not blink when there is media in the printer.          The Head Latch icon indicates if the media cover is closed or not properly latched. It will appear unlocked and blinking if open and will not appear if the cover is closed.
29QLn Series User Guide          The Error icon will be displayed and blink if an error condition exists. The icon will not be displayed if no print-er error exists. Since there are separate icons for Media Out and Head Latch Open, these two alerts do not apply to the Error icon.  The Battery Charge Level icon indicates the report-ed state of charge from the battery pack. In a non-charg-ing state, four (4) bars indicates the battery level is great-er than 80%. Three (3) bars indicates if the battery level is less than or equal to 80% but greater than 60%. Two (2) bars indicates if the level is less than or equal to 60% but greater than 40%. One (1) bar indicates if the battery level is less than or equal to 40% but greater than 20%. And zero (0) bars indicates if the level is less than or equal to 20%.    While the battery is charging, a lightning bolt will appear in the battery icon                     to indicate that charging is taking place.      When the battery is charging and fully charged, four bars will be displayed. When the battery is charging and the level is greater than 80%, the battery icon will alternate between four bars and three bars. When the battery is charging and the level is less than or equal to 80% but greater than 60%, the icon will alternate be-tween three bars and two bars. When the battery is charging and the level is less than or equal to 60% but greater than 40%, the icon will alternate between two bars and one bar. When the bat-tery is charging and the level is less than or equal to 40% the icon will alternate between one bar and zero bars.
30QLn Series User GuideMain Menu ScreenThe user can select options on the Main Menu screen by pressing the soft key located beneath the Menu option on the navigation bar (see Fig. 16). The Main Menu screen displays graphical options including Communication, Display, Media, Battery, and Help.  Figure 16: Main Menu ScreenThe user can scroll between icons using the four-way arrow buttons. When an icon is highlighted, its text description will be displayed in the middle of the navigation bar, and can be selected by pressing the “OK” button.  This will take the user to the screen with status information specific to that option.The QLn320 will also display various alerts, such as “Out of Media”, “Clean Printhead”, or “Battery Low”. The user can re-spond to questions by pressing one of the soft keys to indicate that an action has been taken to address the alert in question. Once the condition causing the alert has been addressed (i.e. loading media), the alert message will be cleared.

Navigation menu