Avery 676 user manual Print Head Replacement

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Print Head Replacement

NEVER REMOVE THE PRINT HEAD FROM THE PRINTER EXCEPT FOR

REPLACEMENT.

TURN OFF THE POWER TO THE PRINTER BEFORE STARTING ANY

ELECTRONIC COMPONENT REPLACEMENT.

NOTE: The Anti-static wrist strap (which must contact the skin and be tight) and anti-static gloves must be worn at all times when handling a print head to avoid damaging the print head.

1)Review the Printhead Handling Procedure Sheet packaged with each print head to determine if any procedures have changed before beginning this procedure.

2)Remove the media and ink from the machine for easy print head removal.

3)Unplug the cables that connect to the print head. Unplug the cable by firmly, but gently pulling it out.

4)Loosen (2) 6-32 Phillips screws visible through holes in the upper print head holder. Slide the head toward unwind end of printer.

NOTE: Screws are fitted with washers.

6-32 PHILLIPS SCREWS

5)Place your hand (with static gloves on) underneath the print line of the print head and pull down guiding screws through keyhole slots. This will remove the print head assembly from the mount plate. You may need to "help" the print head out by pushing on the heat sink with your left hand.

6)Remove the two print head mount screws located on the top of the print head with a Phillips head screwdriver.

36 Maintenance

User Manual Model 676 LOKPRINT®

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Contents Model 676 Lokprint Manual Edition AugustThis page intentionally blank Contents Adjustments Scope Page Safety Issues / Warnings ScopeIntroduction Service Warranty InformationLimited Warranty PartsDescription / Specifications Printer DescriptionDescription / Specifications Printer Specification Personal Computer Specifications Customer Responsibility Location of PrinterCustomer Responsibility Printer Unpacking / Installation AC Power LineUnpacking Inventory of Components Avery Dennison 676LKP Tool KIT #371391Fuse Configuration Fuses must be between points a and B as shown not B and CInstalling the PC Software Installing the Power CordInstalling the PC Interface Cable TCB Dip Switch S2 SettingsPrinter Operation Loading StockButt Splice Web GuidesPrint Head Operation ANTI-STATIC Gloves and the ANTI-STATIC Wrist StrapPrint Head Open / Closed Installing Ink Ribbon Splices Start Control Panel OperationPrinter Controls FeedStop Indicator LightsTest On LineError SensorDisplay Modes Home ScreenSetup Screen Verifier Setup Screen Power UP Diagnostics Home Screen Print / CUT Positions Printhead Setup Control Panel Operation Printhead Setup Feature Setup Screen Control Panel Operation Control Panel Operation Feed Roller Pressure AdjustmentsSensor Adjustments SensorsMachine Set Up Sequence Print Head Cleaning MaintenanceCleaning ProcedureClean Platen Roller Print Head HandlingHandling Print Head Replacement Remove the old printhead carefully from the heat sink Printhead Category Chart Lubrication Procedure Composition Iglide BearingsElectrical Trouble Shooting Power Up / Sign On / CommunicationsProblem Probable Cause Corrective Action Stock / Ink Advance Print Mechanical Trouble Shooting StockInk Error Messages Appendix aSoftware Upgrade Chip Placement Positions Appendix BThermal Control Board P/N 371105TT Head Driver Board P/N 371106TT Head Driver BoardFront Panel Diagnostic Descriptions Front Panel Board P / NAppendix C Printhead Life ExtensionMatching stock and ink widths Symptoms, Causes, Solutions Printhead Fail ModesPrinthead Cleaning Procedure Machine Cleaning ProcedurePrinthead cleaning when removed from the printer Printhead Installation and Removal Procedures Printhead removal procedurePrinthead installation procedure Electrical Assembly Drawings Machine WiringElectrical System Schematic Motherboard Power Connectors Mechanical Assembly Drawings Unwind Assembly Drawing Unwind Parts List Web Guide Assembly Drawing Web Guide Parts List Drive Assembly Drawing Drive Parts List Top Printhead Assembly Drawing Top Printhead Parts List Bottom Printhead Assembly Drawing Bottom Printhead Parts List Ink Unwind / Rewind Assembly Drawing Ink Unwind / Rewind Parts List Web Tension Guide Assembly Drawing Web Tension Guide Parts List Drive Belt Routing Drawing Mechanical Assembly Drawings