Zebra Technologies Q4DLU1B000000, Q3DLUBA000002 manual RMAN-QLS-002 rev. a Repair Procedures

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From	# of connections	CPU Connector #

Head Open Switch	2	J1 (HEAD)(bottom of board)

Bar Sensor	3 (Flex)	J2 (BAR)

Printhead	28 (Flex)	J3 (PRINTHEAD)
Motor	4	J4 (MOTOR)

Label Presence Sensor	4 (Flex)	J5 (PEEL)
Membrane Keypad	8 (Flex)	J6 (KEYPAD)
LCD Keypad	10 (Flex)	J8 (LCD)

QuickLink Module		J9 (MODULE)

Gap Sensor/Printhead Ground	5 (Flex)	J10 (GAP)

Media Width Sensor (optional)	3	J11 (WIDTH)(bottom of board)

Keypad Ground	1 (Flex)	Screw

Notes:

For ease of assembly, install the Printhead and Motor Cables first, then install the optional Media Width Cable.

Connectors for cables are polarized. The connectors will only fit in one direction. Do not try to force the connectors in place.

Flex cables install in zero insertion force (ZIF) connectors. Pull the connector open, insert the cable, and close the connector to retain the flex cable.

Dress all cables away from mounting bosses so they won’t get pinched during the next as- sembly steps.

3.Set the Compatibility Switch per PCC digit 10

If PCC digit 10 = 0, set SW1 to NORMAL CCW (turn fully counterclockwise ). If PCC digit 10 = S, set SW1 to OTHER CW (turn fully clockwise).

4.Secure the MLB. Slide the MLB into place on the Lower Housing. Insure that the board is pushed up under the retainer features and sits on the locating pin in the Lower Housing. Secure in place with (1) of the retained screws where shown. Ensure that the tab on the Latch Lock slides through the head open de- tector without interference.

5.Install the Keypad.

6.Install the Upper Housing.

7.Install the QuickLink module.

8.Install the Battery Pack.

9.Load the application. You must reload the printer’s original application files. The application files can either be stored on your local system or can be down- loaded from the factory’s database.

You must have authorization from Zebra to access the application files from the factory.

10.Calibrate the Sensors. Using the gray and white swatches, follow the on-screen instructions on the unit test and set-up software to properly calibrate the sen- sors.

continued

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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 VistaCreating 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 SoftwareQL Component Replacement Procedures Using the QL Product Configuration CodeAdditional information Standard Control Panel TroubleshootingOptional 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 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 TypeModule Media Support Disks, QL Series Install new Media Support DisksRemove 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 Label Presence Sensor, QL320- AN16861-015 Remove the Upper HousingAssemble 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 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- AN16972-001Install 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 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- AN16972-004RMAN-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 ProceduresRepair Services contact Information USA Factory Repair and Parts Ordering ProcedureEurope 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