Zebra Technologies Q4DLU1B000000, Q3DLUBA000002 manual Removing the Keypad, Removing the LCD module

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Keypad & Display, QL220/220 Plus/220 Cost Reduced-

AN16972-011, -012 & RK17735-031

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 elec- tronic components must be placed in antistatic bags.

Preparation

1.Turn the printer off and remove the battery pack

2.Remove the Upper and Lower Housings.

Removing the Keypad

1.Unlock J6 on the MLB, and unplug the cable.

2.Unlock J1 on the MLB and unplug the ground cable.

3.Carefully peel the Keypad away from the QL 220 Chassis.

Removing the LCD module

1.Unlock J8 on the MLB and unplug the flex cable.

2.Insert the corner of a credit card or a similar thin, flexible and non-conductive material between the glass surfiace of the LCD and the printer chassis.

3.Using a small flat bladed screwdriver, lift each side of the LCD module clear of the printer Chassis.

Installing the Keypad

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RMAN-QLS-002 rev. A Repair Procedures

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Contents Mobile Printers Proprietary Statement Product ImprovementsContents QL series configurations and Parts Printing Technology DescriptionOperating Modes CommunicationsDiagnostic Tools Introduction to Label VistaSample Configuration Label Printing a Diagnostic LabelCreating a Configuration Label Peripherals installed Configuration Label Example Starting Label Vista Using Label VistaEquipment Required For Label Vista Equipment Required Running The SoftwareAdditional information Using the QL Product Configuration CodeQL Component Replacement Procedures Optional LCD Control Panel TroubleshootingStandard Control Panel Troubleshooting Topics No powerPoor or faded print or flashing RMAN-QLS-002 rev. a Repair Procedures QL220/220 Plus Repair Path QL320 & QL420 Repair Path MLBTools and Supplies Storage and HandlingTools Needed Installing the Media CoverMedia Cover, QL 220- RK18236-1 & QL220 Plus- RK17735-015 Removing the Media CoverRMAN-QLS-002 rev. a Repair Procedures Media Cover, QL 320, QL 320 Plus & QL 420,QL 420 Plus Model Kit p/n CommentsInstalling the Media Cover RMAN-QLS-002 rev. a Repair Procedures Media Guide Plate Assembly, QL220/220 Plus Removing the Media Guide Plate AssemblyInstalling the Media Guide Plate Assembly Installing the Media Assembly Media Guide Assembly, QL320/320 PlusRemoving the Media Assembly Ensure Media Sensor cable is behind holding feature Media Guide Assembly, QL420/420 Plus Kit p/n Description TypeModule Remove the Media Support Disks Install new Media Support DisksMedia Support Disks, QL Series Changing the Media Core Size Changing Media typeMedia Guide Rollers, QL420/QL 420 Plus AN16753-003 Replacing the Media RollersAN16792-009- Installing the Scraper Installing the Gear and PlatenAN16792-008- Installing the Peeler Bar Platen/Gear Kits, QL220/QL 220 Plus AN16972-008Installing the Scraper Platen/Gear Kits, QL320/320 Plus- AN16861-013 & AN16861 014Introduction Replacing the Platen AssemblyPlaten/Gear Kits, QL420/420 Plus- AN16753-021 PreparationRemove the old Platen Assembly Upper Housing /Wireless Modules-QL220 & QL 220 Plus Removing the Upper HousingInstalling the Upper Housing Set New ParametersUpper Housing, QL320- RK18233-1 Installing the Upper HousingUpper Housing, QL420/420 Plus- AN16753-007 Assemble the P.C. Board CoverHousing, Upper p/n DA16394-1 Assemble P.C. Board CoverInstall the Upper Housing Assemble the Sensor Support Remove the Upper HousingLabel Presence Sensor, QL320- AN16861-015 Install Label Present Sensor Option Re-install the Upper HousingInstalling a Wlan Radio and Antenna Install the RadioFinish the Assembly Assemble the AntennaRemoving the Wireless Module QL 320/320 Plus & QL 420/420 Plus Wireless ModulesProcedure Outline Installing the Wireless ModuleUpper Housing or Wireless Module Screw, #4-40 x 3/8 Removing the LCD module Installing the KeypadRemoving the Keypad Installing the LCD module Installing an LCD Keypad Installing a Membrane Key Pad Installing the Printer Frame Printer Frame, QL220/220Plus- AN16972-001Install the new Printer Frame Assembly Removing the Printer FrameRMAN-QLS-002 rev. a Repair Procedures From # of connections CPU Connector # Attach the new Connector Door Connector Door, QL 220 /QL220 Plus AN16972-021Remove the Connector Door Remove the Lower CoverConnector Door, QL420 & QL420 Plus- AN16753-020 Install the Connector DoorInstalling the Motor Motor,QL220 & QL 220 Plus AN16972-002Motor, QL 320/320 Plus & QL420/420 Plus- RK18251-1 Removing the MotorFrom # of connections CPU Connector # Installing the Printhead Printhead, QL220- RK18278-1 & QL 220 Plus- RK17735-016Printhead, QL320 RK18277-1 & QL 320 Plus- RK18465-003 Remove the Printhead Install the new Printhead AssemblyPrinthead, QL 420- RK18252-1 & QL 420 Plus- RK17735-004 RMAN-QLS-002 rev. a Repair Procedures RMAN-QLS-002 rev. a Repair Procedures RMAN-QLS-002 rev. a Repair Procedures RMAN-QLS-002 rev. a Repair Procedures Installing the Latch Latch, QL 220/QL 220 Plus- AN16972-004RMAN-QLS-002 rev. a Repair Procedures Latch, QL 320/ QL 320 Plus- AN16861-025 Latch, QL 420/ QL 420 Plus- AN16753-011 Removing the LatchLatch Assembly Installing the Peeler Shaft and Roller Removing the Peeler Shaft and RollerInstalling the MLB Removing the MLBFrom # of connections MLB Connector # Compatibility Switch SW1 J4 Motor 103 RMAN-QLS-002 rev. a Repair Procedures RMAN-QLS-002 rev. a Repair Procedures 104 105 RMAN-QLS-002 rev. a Repair Procedures RMAN-QLS-002 rev. a Repair Procedures 106 QL220 QL320 Installing the Belt ClipRemoving the Belt Clip QL420AN16753-010 Install the D-Rings AN16753-009 Install the Carrying StrapRemoving the D Rings Installing the D RingsInstalling the Bushings Removing the BushingsInstall the Kickstand QL 220 ilustrated Removing the Battery Pack Installing the Battery PackUsing the Product Configuration Code Component Replacement ProceduresEurope Factory Repair and Parts Ordering ProcedureRepair Services contact Information USA QL 220 Product Configuration Code PCC PCC NotesAccessory Parts not illustrated PCC ExampleQL 220 & 220 Plus Replacement Kits KIT RPR QL2 Media Guide W/BELTShaded items are not illustrated QL 220 & 220 Plus Parts Printer Mechanism Exploded ViewQL 220 & 220 Plus Parts- Unit Exploded View QL 320 & 320 Plus Product Configuration Code PCCInterpreting the PCC Code QL 320 & 320 Plus Replacement Kits Assy Module Irda QL3/4 QLKIT RPR QL 320 Media GUIDE/MW Unit Exploded View Pcmcia Radio Options QL 420 & 420 Plus Product Configuration Code Parts Not Illustrated QL 420 & 420 Plus Replacement Kits KIT Repair QL4 PRINTHD/SENSORSelf TAP SCREW, M3X6, QTY RMAN-QLS-002 rev. a Replacement Kits 130 Pcmcia Option