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Zebra Technologies Q4DLU1B000000, Q3DLUBA000002 manual QL320 & QL420 Repair Path, Mlb

Models: Q3DLUBA000002 Q4DLU1B000000

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	QL320 & QL420 Repair Path
Media Support	Belt Clip	Corner Kit	Platen Kit	Media Roller
Disks	Belt Clip	Corner Kit	Platen Kit	Kit
Disks				Kit
		QuickLink™
		Modules
		Upper
		Housing
Peeler Shaft/	Latch	Lower	Keypad	MLB	Connector
Roller	Assembly	Housing			Door
	Printhead		Media Cover	Motor
	Assembly		Assembly	Motor
	Printer Frame
	Media
	Assembly
		• 2-41 •		RMAN-QLS-002 rev. A Repair Procedures

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Zebra Technologies Q4DLU1B000000, Q3DLUBA000002 manual QL320 & QL420 Repair Path, Mlb

Contents

Mobile Printers Proprietary Statement Product ImprovementsContents QL series configurations and Parts Printing Technology DescriptionOperating Modes CommunicationsDiagnostic Tools Introduction to Label VistaPrinting a Diagnostic Label Creating a Configuration LabelSample Configuration Label Peripherals installed Configuration Label Example Using Label Vista Equipment Required For Label VistaStarting Label Vista Equipment Required Running The SoftwareUsing the QL Product Configuration Code QL Component Replacement ProceduresAdditional information Troubleshooting Standard Control PanelOptional LCD 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 Media Guide Assembly, QL320/320 Plus Removing the Media AssemblyInstalling the Media Assembly Ensure Media Sensor cable is behind holding feature Media Guide Assembly, QL420/420 Plus Kit p/n Description TypeModule Install new Media Support Disks Media Support Disks, QL SeriesRemove the Media Support Disks 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 Remove the Upper Housing Label Presence Sensor, QL320- AN16861-015Assemble the Sensor Support 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 Installing the Keypad Removing the KeypadRemoving the LCD module 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 Install the new Printhead Assembly Printhead, QL 420- RK18252-1 & QL 420 Plus- RK17735-004Remove the Printhead 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 ProceduresFactory Repair and Parts Ordering Procedure Repair Services contact Information USAEurope 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