Paxar 656 / 636 user manual Mechanical Trouble Shooting, Stock

Page 59

Mechanical Trouble Shooting

Stock

Problem	Probable Cause		Corrective Action

Stock will not roll or jumps	1) Incorrect adjustment of unwind	1)	Be sure stock roll is as flat as
	web guides		possible and does not extend over
			core.

		2)	Adjust rear web guide to 31/32"
			(24.6mm) from case surface to
			guide surface touching roll.

		3)	Adjust outer web guide to touch
			stock roll but not pinch the roll.

Machine fails to stop at end of roll.	1) Incorrect adjustment of stock-out	1)	Adjust stock-out switch arm to
	switch trigger arm.		approximately 3/4" (19mm) from
			back side of stock when threaded
			through machine.

Stock does not pull smoothly through printhead module.

1) Web guide in sensor plate	1) Adjust moveable web guide to
incorrectly adjusted.	touch outer edge of stock with rear
	edge touching rear web guide. Do
	not pinch.

2)Stock is slipping in drive or drive pressure is uneven.

2)Remove stock from drive rollers. Using a piece of stock the same thickness as the stock being run as a "feeler" gauge, adjust set screws in drive endplates clockwise until "feeler" gauge barely slides between rollers with pressure lever closed. Rotate set screws clockwise an additional 1/2 - 3/4 turn. Rethread and operate. Minor adjustment can now be made to cause stock to run 31/32" (24.6mm) from upright frame.

Users Manual Model 656/636

Mechanical Trouble Shooting • 53

Image 59

Contents Paxar Systems Group Manual Edition February Model 656This page intentionally blank Contents Electrical Connections Assembly Drawings Page Introduction Safety Issues / WarningsScope Parts Warranty InformationLimited Warranty ServiceLocation of Printer Customer ResponsibilityUnpacking AC Power LinePaxar 656 / 636 Tool KIT #351390 Inventory of ComponentsInstalling the Stacker Printer SetupInstall P.C. Boards as follows Fuse ConfigurationBoard Installation Installing the Power Cord TCB Dip Switch S2 SettingsInstalling the PC Software Installing the PC Interface CablePrinter Description Product DescriptionUnit Specification Personal Computer SpecificationsSelfform Paxar Field Engineer Must be Present Installing Ink RibbonPrinter Operation Stock Threading Loading StockButt Splice Web Guide AdjustmentFigure Print Head Open / Closed Print Head Open / CloseFeed Control Panel OperationPrinter Controls StartStop Sensor Indicator LightsError On LinePrint Reports Front Panel Menu FunctionsLCD Display Diagnostic TestsLast Batch WAS Imager VXX Ready for Batches Imager VXX Batch ID QTYBuilding Image Imager VXX Press Enter to Print Last Verifier Scan Print Report ModeDisplay Modes Press Enter for Print ReportsSetup Mode Emulation MODE630 NEW Emulation MODE650 Cutter is Disabled Press Enter to EnableChange the CUT Change Strobe Strobe 0 NEW Strobe +2Press Enter for Life Counts Life Counters ModeTransfer TYPE052 NEW Transfer TYPE000 Press Enter to Print Checkout FormatProtected Mode Press Enter For 2ND Language Change Password 4 Digits NEW WordVerifier is Enabled Press Enter to Disable Change DATE/TIMEHandling Maintenance / AdjustmentsPrint Head Handling Supplies Print Head CleaningProcedure Print Head Replacement Tangent Print Head AdjustmentClean Platen Roller Print Head Pressure SettingPrint Head Tangent Point Registration Sensor AdjustmentAdjusting Print Sensor Position Squaring the Print HeadSensor Trim Pots Cleaning Print SensorHole / Slot Index Registration Sensor DIP Switch Bank LightsTP8 Reflective Index Registration SensorFilm Out Sensor / Top Ink Sensor Bottom Ink SensorFull Stacker Sensor Jam Sensor Stock out AdjustmentKnife Square Adjustment Headlift SensorStock Feed Adjustment Stacker AdjustmentsGeneral Mechanical Adjustment Of Feed Roller Pressure Blue RollerMechanical Adjustment of Stock Sense Mark Light Receiver Adjustment ProcedurePage Electrical Connections Machine WiringRelay Assembly Electrical System Schematic Motherboard Power Connectors Power Up / Sign On / Communications Electrical Trouble ShootingProblem Probable Cause Corrective Action Stock / Ink Advance Problem Probable Cause Corrective Action Print Problem Probable Cause Corrective Action Cut / Stack Electrical Trouble Shooting / Machine Set Up Sequence Stock Mechanical Trouble ShootingProblem Probable Cause Corrective Action Ink Print Knife Problem Probable Cause Corrective ActionTCB Composition Iglide Bearings Mechanical Trouble Shooting SequenceLubrication Procedure Cam Lubrication ProcedureAppendix a Error MessagesThermal Control Board P/N Software Upgrade Chip Placement PositionsAppendix B Head Driver Board P/N Diskless Rom Board P/NFront Panel Board P/N Ink and Stock Transfer Types Appendix CValue Transfer Type Value Transfer Type Knife MFG Guideline Appendix DAppendix D Appendix D Page Assembly Drawings Unwind Assembly Drawing Description Qty Unwind Parts ListWeb Guide / Light Bar Assembly Drawing Web Guide / Light Bar Parts List Drive Assembly Drawing Drive Parts List Printhead Assembly Drawing Printhead Parts List Ink Unwind / Rewind Assembly Ink Unwind / Rewind Parts List Field Retrofit Kit Ink Rewind Arbor AssemblyInk Rewind Arbor Parts List Feed & Ink Drive Assembly Feed & Ink Drive Parts List Timing Belt Threading Diagram Timing Belt Parts List Ink Turn Roller Assembly Ink Turn Roller Parts List Knife Assembly Drawing Part Qty Description Number Knife Parts ListStacker Assembly Drawing Stacker Parts List Rewind Assembly Drawing Rewind Parts List Stock Out Sensor Assembly Drawing Part Qty Description Number Stock Out Sensor Parts ListOptional Stackers Stacker Specifications Optional 4.25 Pick-up Assembly Optional 4.25 Pick-up Parts List Optional 4.25 Stacker Assembly Optional 4.25 Stacker Parts List Optional Down Stacker Assembly Drawing Part Optional Down Stacker Parts List Part Optional Down Stacker Assembly Drawing Part Rear Support Stacker Optional Down Stacker Assembly Drawing Part #8 Thumb Screw Cap