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Mobile Printers
Maintenance Manual
for QL220, QL220 Plus;
QL320, QL 320 Plus;
QL420 and QL 420 Plus
RMAN-QLS-002 Rev. A October, 2008
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Por Pary S erit teenmtat This manual contains proprietary information of Zebra Technologies Corporation. It is intended solely for the information and use of parties operating and maintaining the equipment described herein. Such proprietary information may not be used, reproduced, or disclosed to any other parties for any other purpose without the expressed written permission of Zebra Technologies Corporation. Product Improvements Since continuous product improvement is a policy of Zebra Tec
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Ceo S Proprietary Statement --------------------------------------------------------------------------------------------------- ii SeCt Io N 1: QL INt Ro Du Ct Io N ------------------------------------------------------------ 1-5 Diagnostic Tools ---------------------------------------------------------------------------------------------------------1-6 Introduction to Label Vista™ -----------------------------------------------------------------------------------------1-6 Printing a Diagnostic
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Latch, QL 320/ QL 320 Plus- AN16861-025 --------------------------------------------------------------------2-95 Latch, QL 420/ QL 420 Plus- AN16753-011 --------------------------------------------------------------------2-96 Peeler Shaft & Roller, QL 220/220 Plus- AN16972-006; QL 320/ QL 320 Plus- AN16861-026 & QL 420- AN16753-024 ------------------------------------------------------------------------------------------------2-98 MLB, QL 220- AN16972-013, RK18259-1; --------------------------
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Siotn 1 ce : QL i iotncroudtn Description The Zebra QL220, QL 220 Plus; QL320, QL 320 Plus; QL420 and QL 420 Plus Mobile Printer s are low-cost, portable, direct thermal printers. They can be carried by the shoulder strap, sit on a work space, or be mounted to a specific location. They are powered by a Li-Ion battery pack which makes them particularly useful in environments where AC power is not readily available. The QL series of printers delivers traditional Zebra reliability in a transpo
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Dgic istnoa t olos This section of the Printer Repair Manual contains instructions for using the various diagnostic tools available from Zebra and instructions on contacting technical support services offered by Zebra. Following sections contains explanations on the products configuration structure, troubleshooting guide for isolating common printer problems, illustrated parts break- downs for specific models and specialized component replacement procedures. Configuration Label Printout The
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Ping a D rtin gic istnoa l abel Creating a Configuration Label 1. Turn the printer off. Load the media compartment with journal 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 button pressed. When printing starts, release the Feed button. The printer will generate a configuration label similar to the following example: Sample Configuration Label Print Head Test Identifies Printer as a QL Plus s
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Peripherals installed: In this example the LCD display option is installed. Flash and RAM Memory Installed Maximum Label Size Resident Human Readable fonts installed Figure 1a : Con Figtuiron a L a b e L e xamp Le ( Continued ) RMAN-QLS-002 rev.A • 1-8 •
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Files Loaded in Printer Memory (will include Pre-scaled or Scalable Fonts) EPL and ZPL emula- tion is standard on QL Plus series Figure 1b : Con Figtuiron a L a b e L e xamp Le ( Continued ) • 1-9 • RMAN-QLS-002 rev. A
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u sing l abel Vaist Label Vista is a program running under the Windows™ environment that allows users to design labels which can be printed on the full range of Zebra mobile printers. Label Vista also provides a powerful set of diagnostics tools which use familiar Win- dows “point and click” routines. These tools can be reached under the Printer selection on the Label Vista menu bar. It is recommended that the Label Vista documentation package be consulted for a more detailed description of t
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u sing l abel Vaist equipment Required 1. A computer with the following minimum configuration: • Pentium CPU • 256 MB RAM • 1.44 MB Floppy Drive • 1 GB Hard Drive • CD-ROM drive • SVGA 14 in.monitor and SVGA card • 2 Serial Ports • USB Port • Windows 95/9, NT or 2000 • Unit Test Software version 3.3 or higher installed with the “euro” configuration. 2. A bar code scanner, using either RS232 (serial) keyboard “wedge” or USB com- munications. (Example: Symbol Model LS1908 series) 3. Serial In
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Section 2 • QL RepaiR pRoceduReS uSing the QL pRoduct configuRation code Each QL series printer has a 15 digit Product Configuration Code (PCC) label on the bot- tom of the unit. This code is explained by the charts for the respective printers in Sec- tion 3. When ordering replacement parts use the PCC code to ascertain the features installed on your printer. Then use the exploded view of the printer on the following pages to determine which replacement kits should be ordered. QL component
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tRoubLeShooting 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. Yellow LED Green LED Feed Button Power Button Press to advance the Press to turn unit media one blank label on. Press again or a software determined to turn unit off length of journal media. Function Button Specific functions are unde
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chart to resolve the problem. t roubleshooting t opics 1. No power Feed Button Scroll Button Printer Status Press to advance Press to scroll through Icons the media one blank the menu choices on label or a software the LCD. determined length of journal media. Power Button Select Button Press to turn unit on. Press Press to select a menu again to turn unit off choice on the LCD. Status Icon Condition Indication Ref. to t opic Steady Bluetooth Link established n/a Flashing Data trans
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• Check that battery is installed properly • Recharge or replace battery as necessary. 2. Media does not feed: • Be sure printhead is closed and latched. • Check spindle holding media for any binding. • If unit 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 flashing: • Clean printhead. • Check battery and recharge or replace as necessary • Check quality of media. 4. Partial/missing pr
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• 2-39 • RMAN-QLS-002 rev. A Repair Procedures
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QL220/220 pLuS RepaiR path RMAN-QLS-002 rev. A Repair Procedures • 2-40 •
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QL320 & QL420 RepaiR path Media Support Media Roller Belt Clip Corner Kit Platen Kit Disks Kit QuickLink™ Modules Upper Housing Latch Connector Peeler Shaft/ Lower MLB Keypad Assembly Door Roller Housing Media Cover Printhead Motor Assembly Assembly Printer Frame Media Assembly • 2-41 • RMAN-QLS-002 rev. A Repair Procedures
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tooLS and SuppLieS Make use of the following tools and supplies for maintaining the printer and installing the repair kits: Hand t oolS • #1 Phillips Head Screw Driver • 3/32” hex driver SPeCial t oolS (oPtional) • AU16259-1 Printhead Spring Tool • AU16266-1 Gap Sensor Assy installation tool SuPPS lie • Cleaning Pen (10 pack), p/n AN11209-1 • Cleaning Kit with Cleaning Pen, and Cotton Swabs p/n AT702-1 • Isopropyl alcohol • SuperLube™ lubricant p/n 82325 SL • Spares Kit AN16753-029, consistin
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media coveR, QL 220- RK18236-1 & QL220 pLuS- RK17735-015 You must use an ESD strap and work at a properly grounded workstation (antistatic mat or tray). All electronic components must be placed on an ESD protective tray. If stored, any electronic components must be placed in antistatic bags. tools Needed #1 Phillips head screwdriver 3 / ” Hex Driver 32 Removing the Media Cover 1. Turn the printer off and remove the battery pack. 2. Remove the Upper Housing. 3. Press the latch release butto
