QL320 & QL420 Repair Path, Mlb | Zebra Technologies Q4DLU1B000000

	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 Improvements Contents QL series configurations and Parts Printing Technology DescriptionOperating Modes Communications Diagnostic Tools Introduction to Label Vista Printing 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 Software Using the QL Product Configuration Code QL Component Replacement ProceduresAdditional information Troubleshooting Standard Control PanelOptional LCD Control Panel Troubleshooting Topics No power Poor or faded print or flashing RMAN-QLS-002 rev. a Repair Procedures QL220/220 Plus Repair Path QL320 & QL420 Repair Path MLB Tools and Supplies Storage and Handling Tools Needed Installing the Media CoverMedia Cover, QL 220- RK18236-1 & QL220 Plus- RK17735-015 Removing the Media Cover RMAN-QLS-002 rev. a Repair Procedures Media Cover, QL 320, QL 320 Plus & QL 420,QL 420 Plus Model Kit p/n Comments Installing the Media Cover RMAN-QLS-002 rev. a Repair Procedures Media Guide Plate Assembly, QL220/220 Plus Removing the Media Guide Plate Assembly Installing 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 Type Module Install new Media Support Disks Media Support Disks, QL SeriesRemove the Media Support Disks Changing the Media Core Size Changing Media type Media Guide Rollers, QL420/QL 420 Plus AN16753-003 Replacing the Media Rollers AN16792-009- Installing the Scraper Installing the Gear and PlatenAN16792-008- Installing the Peeler Bar Platen/Gear Kits, QL220/QL 220 Plus AN16972-008 Installing the Scraper Platen/Gear Kits, QL320/320 Plus- AN16861-013 & AN16861 014 Introduction Replacing the Platen AssemblyPlaten/Gear Kits, QL420/420 Plus- AN16753-021 Preparation Remove the old Platen Assembly Upper Housing /Wireless Modules-QL220 & QL 220 Plus Removing the Upper Housing Installing the Upper Housing Set New Parameters Upper Housing, QL320- RK18233-1 Installing the Upper Housing Upper Housing, QL420/420 Plus- AN16753-007 Assemble the P.C. Board Cover Housing, Upper p/n DA16394-1 Assemble P.C. Board Cover Install 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 Housing Installing a Wlan Radio and Antenna Install the Radio Finish the Assembly Assemble the Antenna Removing the Wireless Module QL 320/320 Plus & QL 420/420 Plus Wireless ModulesProcedure Outline Installing the Wireless Module Upper 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- AN16972-001 Install the new Printer Frame Assembly Removing the Printer Frame RMAN-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 Cover Connector Door, QL420 & QL420 Plus- AN16753-020 Install the Connector Door Installing the Motor Motor,QL220 & QL 220 Plus AN16972-002 Motor, QL 320/320 Plus & QL420/420 Plus- RK18251-1 Removing the Motor From # of connections CPU Connector # Installing the Printhead Printhead, QL220- RK18278-1 & QL 220 Plus- RK17735-016 Printhead, 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- AN16972-004 RMAN-QLS-002 rev. a Repair Procedures Latch, QL 320/ QL 320 Plus- AN16861-025 Latch, QL 420/ QL 420 Plus- AN16753-011 Removing the Latch Latch Assembly Installing the Peeler Shaft and Roller Removing the Peeler Shaft and Roller Installing the MLB Removing the MLB From # 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 QL420 AN16753-010 Install the D-Rings AN16753-009 Install the Carrying Strap Removing the D Rings Installing the D RingsInstalling the Bushings Removing the Bushings Install the Kickstand QL 220 ilustrated Removing the Battery Pack Installing the Battery Pack Using the Product Configuration Code Component Replacement Procedures Factory Repair and Parts Ordering Procedure Repair Services contact Information USAEurope QL 220 Product Configuration Code PCC PCC Notes Accessory Parts not illustrated PCC Example QL 220 & 220 Plus Replacement Kits KIT RPR QL2 Media Guide W/BELT Shaded items are not illustrated QL 220 & 220 Plus Parts Printer Mechanism Exploded View QL 220 & 220 Plus Parts- Unit Exploded View QL 320 & 320 Plus Product Configuration Code PCC Interpreting the PCC Code QL 320 & 320 Plus Replacement Kits Assy Module Irda QL3/4 QL KIT 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/SENSOR Self TAP SCREW, M3X6, QTY RMAN-QLS-002 rev. a Replacement Kits 130 Pcmcia Option