Model Kit p/n Comments | Zebra Technologies Q4DLU1B000000 specification

Media Cover, QL 320, QL 320 Plus & QL 420,QL 420 Plus

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.

	Model	Kit p/n	Comments
	QL 320	AN16861-023	units built prior to 1/22/03
	QL 320	AN16861-024	units built after 1/22/03
		AN16861-024	units built after 1/22/03
	QL 320 Plus	RK18465-001
	QL 420	RK18231-1
	QL 420 Plus	RK17735-001

Tools Needed

#1 Phillips head screwdriver 3/32” Hex Driver

Removing the Media Cover

1.Turn the printer off and remove the battery pack.

2.Remove the QuickLink Module.

3.Remove the Upper Housing.

4.Press the latch release button and open the Media Cover. Remove any media from the printer.

5.Unlock the connector and remove the Bar Sense Cable from J2 on the MLB.

7.Remove the Printer Frame from the Lower Housing. Carefully pivot the printer frame out of the Lower Housing (#2 below) and lift the Media Cover clear of the Lower Housing (#3 below) .

2 3

Avoid putting excess strain on the remaining cables connected to the MLB.

8.If necessary, remove the Platen and Gear and/or the Peeler Bar or Scraper from the Media Cover Assembly.

9.Remove the Bar Sense Cable from the Printer Frame. Carefully peel the Bar

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RMAN-QLS-002 rev. A Repair Procedures

Image 22

Zebra Technologies Q4DLU1B000000 manual Media Cover, QL 320, QL 320 Plus & QL 420,QL 420 Plus, Model Kit p/n Comments

Contents

Mobile Printers Proprietary Statement Product Improvements Contents QL series configurations and Parts Printing Technology DescriptionOperating Modes Communications Diagnostic Tools Introduction to Label Vista Creating a Configuration Label Printing a Diagnostic LabelSample Configuration Label Peripherals installed Configuration Label Example Equipment Required For Label Vista Using Label VistaStarting Label Vista Equipment Required Running The Software QL Component Replacement Procedures Using the QL Product Configuration CodeAdditional information Standard Control Panel TroubleshootingOptional 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 Removing the Media Assembly Media Guide Assembly, QL320/320 PlusInstalling the Media Assembly Ensure Media Sensor cable is behind holding feature Media Guide Assembly, QL420/420 Plus Kit p/n Description Type Module Media Support Disks, QL Series Install new Media Support DisksRemove 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 Label Presence Sensor, QL320- AN16861-015 Remove the Upper HousingAssemble 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 Removing the Keypad Installing 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 Printhead, QL 420- RK18252-1 & QL 420 Plus- RK17735-004 Install the new Printhead AssemblyRemove 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 Repair Services contact Information USA Factory Repair and Parts Ordering ProcedureEurope 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