Troubleshooting Topics, No power | Zebra Technologies Q4DLU1B000000

chart to resolve the problem.

Troubleshooting Topics

1. No power

Feed Button

Press to advance the media one blank label or a software determined length of journal media.

Printer Status Icons

Scroll Button

Press to scroll through the menu choices on the LCD.

Power Button

Press to turn unit on. Press again to turn unit off

Select Button

Press to select a menu choice on the LCD.

Status Icon	Condition	Indication		Ref. to Topic
	Steady	Bluetooth Link established		n/a
	Flashing	Data transmission via Bluetooth		n/a
	Off	No Bluetooth link		6
	Steady	RF Link established		n/a
	Off	No RF Link		6
	Flashing	Low Battery		3, 6, 7
	Flashing	Head latch not closed		9, 11
	Flashing	Printer Activity		n/a
	Flashing	Printer is receiving a file		8
	Flashing	Out of media,		9, 11
Blank Screen	n/a	No application		1,13
		• 2-37 •	RMAN-QLS-002 rev. A Repair Procedures

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Zebra Technologies Q4DLU1B000000, Q3DLUBA000002 manual Troubleshooting Topics, No power

Contents

Mobile Printers Proprietary Statement Product Improvements Contents QL series configurations and Parts Printing Technology DescriptionOperating Modes Communications Diagnostic Tools Introduction to Label Vista Sample 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 Software Additional information Using the QL Product Configuration CodeQL Component Replacement Procedures Optional LCD Control Panel TroubleshootingStandard 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 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 Type Module Remove the Media Support Disks Install new Media Support DisksMedia Support Disks, QL Series 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 Assemble the Sensor Support Remove the Upper HousingLabel Presence Sensor, QL320- AN16861-015 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 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- AN16972-001 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 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- AN16972-004 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 Europe Factory Repair and Parts Ordering ProcedureRepair Services contact Information USA 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