Paxar 656 / 636 user manual Knife, Problem Probable Cause Corrective Action

Page 63

Knife

Problem

 

Probable Cause

 

Corrective Action

Double Cuts, extra knife cycle

1) Solenoid sticking in

1)

Check proper assembly of washers.

 

 

 

 

Clean plunger with alcohol and

 

 

 

 

completely dry.

 

 

 

 

 

2)

Worn Trip Arm on Clutch

2) Replace Actuator

 

 

actuator.

 

 

 

 

 

 

 

 

3)

Worn Stop roll pin on clutch

3)

Replace Clutch if not solved above.

 

 

 

 

 

Skips cut, double length label

1)

Solenoid did not pull in

1)

Check gap on the trip arm to clutch body

 

 

 

 

must be about .040 inches. If too large,

 

 

 

 

solenoid has less force. Check

 

 

 

 

assembly of spring and washers. Use

 

 

 

 

latest engineering assembly procedure.

 

 

 

 

Clean Solenoid.

2)Trip arm sticking on clutch roll pin.

2)Check for burr on trip arm catching on clutch stop roll pin. File off burr on clutch roll pin and/or replace trip arm.

3)

Low voltage to solenoid

3)

Check power supply voltage for 12 and

 

 

 

 

24 volts

 

 

 

 

 

4)

Weak solenoid driver

4)

Substitute TCB. Change back if not

 

 

 

 

solved.

 

 

 

 

 

5)

Bad Solenoid

5)

Unusual, but replace Solenoid and

 

 

 

 

adjust.

 

 

 

Noisy Rattle when not cutting but 1) Packman not visibly homing

1)

Adjust Packman to center the home

motor turning

 

 

location of the packman to the quiet

 

 

 

 

location. If the knife still does not

 

 

 

 

home, clean knife cams and lubricate.

 

 

 

If still does not home, replace blades. If

 

 

 

 

still does not home, replace clutch.

 

 

 

 

 

2)

Packman homing ok but noisy.

2)

Adjust Packman to center the home

 

 

 

 

location of the packman to the quiet

 

 

 

 

location .

 

 

 

 

 

3)

Dirty Clutch

3)

Clean clutch and one drop of light oil.

 

 

 

 

 

4)

Packman slipping

4)

Order improved set screws with multiple

 

 

 

 

points that bite better to shaft.

 

 

 

 

 

5)

Bad Motor Gear Box

5)

Replace Knife Motor

Users Manual Model 656/636

Mechanical Trouble Shooting • 57

Image 63
Contents Paxar Systems Group Manual Edition February Model 656This page intentionally blank Contents Electrical Connections Assembly Drawings Page Safety Issues / Warnings ScopeIntroduction Parts Warranty InformationLimited Warranty ServiceLocation of Printer Customer ResponsibilityUnpacking AC Power LinePaxar 656 / 636 Tool KIT #351390 Inventory of ComponentsInstalling the Stacker Printer SetupFuse Configuration Board InstallationInstall P.C. Boards as follows Installing the Power Cord TCB Dip Switch S2 SettingsInstalling the PC Software Installing the PC Interface CablePrinter Description Product DescriptionUnit Specification Personal Computer SpecificationsSelfform Installing Ink Ribbon Printer OperationPaxar Field Engineer Must be Present 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 TestsReady for Batches Imager VXX Batch ID QTY Building Image Imager VXXLast Batch WAS 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/TIMEMaintenance / Adjustments Print Head HandlingHandling Print Head Cleaning ProcedureSupplies 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 MessagesSoftware Upgrade Chip Placement Positions Appendix BThermal Control Board P/N 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