Paxar 656 / 636 user manual Problem Probable Cause Corrective Action

Page 56

Problem

 

Probable Cause

 

Corrective Action

 

 

 

 

Print registration is off in the web

1) Machine incorrectly threaded.

1)

Check and rethread the media as

direction.

 

 

 

needed. Refer to "Loading

 

 

 

 

Stock".

 

 

 

 

 

 

2)

Web guides incorrectly adjusted.

2)

Check and adjust as needed. Refer

 

 

 

 

to "Web Guide Adjustment".

 

 

 

 

 

 

3)

Unwind incorrectly adjusted.

3)

Check and adjust as needed. Refer

 

 

 

 

to "Web Guide Adjustment".

4)Incorrect DIP switch settings on the Thermal Control Board.

4)Check and reset DIP switches as needed. Refer to "TCB Dip Switch S2 Settings".

Print contrast is too light or dark.

1)

Incorrect strobe setting selected in

1)

Using Formatter check and adjust

 

the format.

 

the strobe setting according to the

 

 

 

media and ink being used.

 

 

 

 

2)

Incorrect strobe setting in the

2)

Enter the setup menu and readjust

 

machine setup.

 

the strobe as needed.

 

 

 

 

3)

Miss adjusted print head position.

3)

Set print head position. Refer to

 

 

 

"Print Head Tangent Point".

 

 

 

 

4)

Miss adjusted print head pressure.

4)

Set print head pressure. Refer to

 

 

 

"Print Head Pressure Setting".

Voids in print image in the feed direction.

1) Ink miss aligned with format.

1)Adjust ink position on the arbors to achieve full ink coverage over all fields on the format.

 

2)

Print head dirty.

2)

Power off the machine clean the

 

 

 

 

print head and platen. Refer to

 

 

 

 

"Print Head Cleaning".

 

 

 

 

 

 

3)

Faulty print head.

3)

After cleaning head and running

 

 

 

 

the test pattern to confirm that a

 

 

 

 

void still exists, replace the print

 

 

 

 

head.

 

 

 

 

 

 

4)

Miss adjusted print head position.

4)

Set print head position. Refer to

 

 

 

 

"Print Head Tangent Point".

 

 

 

 

 

 

5)

Miss adjusted print head pressure.

5)

Set print head pressure. Refer to

 

 

 

 

"Print Head Pressure Setting".

 

 

 

 

 

 

6)

Worn platen roller.

6)

Replace platen roller.

 

 

 

 

Machine continually stops with an

1) Sensor uncalibrated.

1)

Determine which sensor and re-

erroneous interlock condition.

 

 

 

calibrate as needed. Refer to

 

 

 

 

"Sensor Trim Pots".

2) Sensor position miss adjusted.

2)Determine which sensor and relocate accordingly.

3)Ink sensor type (light / dark) incorrect in the format for the ink type being used.

3)Either change the ink or the ink type in the format.

50 • Electrical Trouble Shooting

Users Manual Model 656/636

Image 56
Contents Model 656 Paxar Systems Group Manual Edition FebruaryThis page intentionally blank Contents Electrical Connections Assembly Drawings Page Introduction Safety Issues / WarningsScope Warranty Information Limited WarrantyService PartsCustomer Responsibility Location of PrinterAC Power Line UnpackingInventory of Components Paxar 656 / 636 Tool KIT #351390Printer Setup Installing the StackerInstall P.C. Boards as follows Fuse ConfigurationBoard Installation TCB Dip Switch S2 Settings Installing the Power CordInstalling the PC Interface Cable Installing the PC SoftwareProduct Description Printer DescriptionPersonal Computer Specifications Unit SpecificationSelfform Paxar Field Engineer Must be Present Installing Ink RibbonPrinter Operation Loading Stock Stock ThreadingWeb Guide Adjustment Butt SplicePrint Head Open / Close Figure Print Head Open / ClosedControl Panel Operation Printer ControlsStart FeedStop Indicator Lights ErrorOn Line SensorFront Panel Menu Functions Print ReportsDiagnostic Tests LCD DisplayLast Batch WAS Imager VXX Ready for Batches Imager VXX Batch ID QTYBuilding Image Imager VXX Print Report Mode Display ModesPress Enter for Print Reports Press Enter to Print Last Verifier ScanSetup Mode Cutter is Disabled Press Enter to Enable Change the CUTChange Strobe Strobe 0 NEW Strobe +2 Emulation MODE630 NEW Emulation MODE650Life Counters Mode Transfer TYPE052 NEW Transfer TYPE000Press Enter to Print Checkout Format Press Enter for Life CountsProtected Mode Change Password 4 Digits NEW Word Verifier is Enabled Press Enter to DisableChange DATE/TIME Press Enter For 2ND LanguageHandling Maintenance / AdjustmentsPrint Head Handling Supplies Print Head CleaningProcedure Print Head Replacement Print Head Adjustment Clean Platen RollerPrint Head Pressure Setting TangentRegistration Sensor Adjustment Adjusting Print Sensor PositionSquaring the Print Head Print Head Tangent PointCleaning Print Sensor Sensor Trim PotsDIP Switch Bank Lights Hole / Slot Index Registration SensorReflective Index Registration Sensor Film Out Sensor / Top Ink SensorBottom Ink Sensor TP8Stock out Adjustment Knife Square AdjustmentHeadlift Sensor Full Stacker Sensor Jam SensorStacker Adjustments Stock Feed AdjustmentMechanical Adjustment Of Feed Roller Pressure Blue Roller Mechanical Adjustment of Stock Sense Mark Light ReceiverAdjustment Procedure GeneralPage Machine Wiring Electrical ConnectionsRelay Assembly Electrical System Schematic Motherboard Power Connectors Electrical Trouble Shooting Power Up / Sign On / CommunicationsProblem 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 Mechanical Trouble Shooting StockProblem Probable Cause Corrective Action Ink Print Problem Probable Cause Corrective Action KnifeTCB Mechanical Trouble Shooting Sequence Lubrication ProcedureCam Lubrication Procedure Composition Iglide BearingsError Messages Appendix aThermal Control Board P/N Software Upgrade Chip Placement PositionsAppendix B Diskless Rom Board P/N Head Driver Board P/NFront Panel Board P/N Appendix C Ink and Stock Transfer TypesValue Transfer Type Value Transfer Type Appendix D Knife MFG GuidelineAppendix D Appendix D Page Assembly Drawings Unwind Assembly Drawing Unwind Parts List Description QtyWeb 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 Ink Rewind Arbor Assembly Field Retrofit KitInk 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 Knife Parts List Part Qty Description NumberStacker Assembly Drawing Stacker Parts List Rewind Assembly Drawing Rewind Parts List Stock Out Sensor Assembly Drawing Stock Out Sensor Parts List Part Qty Description NumberOptional 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