Troubleshooting | Epson 7000 guide

C H A P T E R

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TROUBLESHOOTING

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Epson 7000 service manual Troubleshooting

Contents

Epson Stylus PRO Page Precautions About This Manual Symbols Used in This Manual Revision Status Contents Operating Principles Disassembly & Assembly Maintenance Product Description Epson media Slide Bar Resolution Dot Mode Speed FeaturesThroughput Speed Name Code Product Standard AccessoriesConsumable Products & Options Consumables & Options Print Area and Speed Print SpecificationsPrinting Specifications Character Specifications Should be smooth Paper SpecificationsRoll Paper Specifications Epson Special Paper Cut-Sheet Availability CUT Sheet SpecificationsSize Dimensions W x H Supported Cut-Sheet Paper Printable Area Optimal Margin SettingsPrintable Area Printable Area Ink Cartridges Electrical Specifications10. Electrical Specifications Situation Temperature Environmental Conditions TEMPERATURE/HUMIDITYHumidity % Temperature C Reliability Condition Vibration Shock ControllerVibration & Shock 12. Vibration and Shock Conformity/Safety Approvals Acoustic Noise CE Marking Interfaces Description Parallel Interface Compatibility Mode13. Parallel Interface Specifications Data Transmission Timing Parameter Minimum Maximum Parallel I/F mode Time required14. Data transmission times 15. Typical tack time Pin Signal Return Functional Description Name Out 16. Connector Pin Assignments and signals Forward Channel Pin Signal Name Return Functional Description Out Parallel Interface Nibble Mode17. Transmission Specifications 18. Connector Pin Assignments Reverse Channel 19. Transmission Specifications Parallel interface ECP mode 20. Connector Pin Assignments ECP Mode Pin #2 21. USB connector pin assignments and signalsPin no Signal name In/Out Description 4 USB Preventing Data Transfer Time-Outs TYPE-B Optional Interface Interface Selection Setup Guidelines Printer Dimensions & Weight Cutter Specifications 22. Buttons and Functions Button Function SelecType Power-On Second function NormalControl Panel Buttons 23. LED Indicator Lights LED IndicatorsStatus Condition 26. Pause Indicator Indicator Status in Normal Mode24. Operate Indicator 25. Paper Out Indicator Display Message Meaning 28. Paper Source IndicatorControl Panel Messages 29. Control Panel Messages Panel Display Priority Loading Paper 30. SelecType Menus SelecType SettingsDisplay Message For details, see 31. Printer Setting Menu Printer Setting MenuDisplay Message Options 32. Test Print Menu Test Print MenuNozzle check Status sheet Printed Value Meaning 33. Cutter Life Value Detecting Paper Thickness Paper Configuration Settings35. Paper Config. Menu Printer Status Menu 36. Cutter Replace Menu Cutter Replacement Menu Head Alignment sections Head Alignment Menu Display Messages Maintenance RequestADJUST. Patt 37. Head Alignment Menu 38. Service Errors Service RequestsService Code Explanation Following explanations regarding control panel service Maintenance And Diagnostic ModesMaintenance Mode 39. Maintenance Mode LCD Message Description Decimal 40. Maintenance Mode 2 Nvram counter value menuLCD Message Description SELF-DIAGNOSTIC Mode Firmware UpdateInformation contained in this section is not to be shared Initialization Jumper Settings41. Jumper Settings Type Number Setting Transportation Mode Operating Principles Part Drive voltage Description Component List & IllustrationsPrint Mechanism Components Printer Mechanism Components Epson Stylus Pro Edge sensor Underneath carriage Control Panel Carriage Components Paper Set Lever Rear sensor Front sensor Paper suction Fans Paper Feed Path & Components Pump Main board Power supply Board Carriage Description of ComponentsCarriage Movement Carriage Linear Encoder Flag Fence Home Position Sensor Carriage & Carriage Components Cutter Screw Cutter height guide PF Rail Paper Feed Assembly PAPER-FEEDING-RELATED Sensors Detected Sensor Signal Output Signal Thickness StrengthPaper Thickness Detection CR Lock HeadCap Assembly Cleaner Pump Assembly Maintenance AssemblyFlushing box Pump CR Lock Mechanism INK-RELATED Sensors Ink Supply MechanismInk Low Sensor Cover Motor Driver Front cover Open Cover open FlagCover open sensor Motor Driver Print Speed Print Mode Carriage SpeedPrinter Mechanism Operation Outline Carriage Mechanism 17. Platen Gap Control Platen GAP Mechanism Setting Setup Gap Position Determining PG SettingsPlaten Gap Settings Control Panel Command Paper Actual Platen Yes Paper Feed MechanismStops Paper exists? Yes Black line = paper DetectionInHP? Yes Left-top edge Right-top edge Perform regular flushing 20. Paper-size detection of leading edge Epson Stylus Pro Revision B Summary of Control Circuit Operations 21. C299MAIN Board-Circuit Block Diagram Name/Code Location Function Control Circuit Operation PS Board Signal Summary Power Supply Board SummarySignal Name Condition Function Troubleshooting Remember Diagnosing the ProblemOutline First Maintenance Errors Service Errors Service Errors Nvram Troubleshooting Using the Error MessagesLCD Panel Error Messages LCD message Status Type Refer to Error Code Description Refer to Messages That Indicate Service is Necessary Ink Low Error Type Message Refer toLCD Errors Maintenance Call nnnnNo Paper Loaded 10. Please Load Paper Paper Path Command and LED IndicatorsPP Command Roll Sheet Auto Cut No Cut Please Load 13. Paper Not Cut 12. Cover Open 15. Correctly Load Paper 14. Paper Skew Cause the ink counter to function improperly 16. Return Paper Lever17. Load Ink Cartridge 18. Replace Ink Cartridge 22. Cannot Print 19. No Cartridge20. Option I/F Card 21. Remove Paper Code Description Refer to Fatal Errors23. Fatal Error 24. Fatal Error Code List Maintenance Call Errors That Require a Service TechnicianService Call Epson Stylus Pro Revision B Epson Stylus Pro Revision B Epson Stylus Pro Revision B Service Call 0001000D Service Call 0001000E Service Call 0001000AService Call 0001000B Service Call 0001000C Service Call 0002000B Mail BOX Memory Error INK LOW General ErrorsPaper OUT Cover Open Load XXX PaperLoad Paper Paper JAM Paper not Straight Paper not CUTReload Paper INK OUT Please Lower LeverNo INK Cartridge 25. Diagnosing trouble based on printout Troubleshooting Based on Your PrintoutOption I/F Error Remove Paper „ Before you uninstall the Main Board or a printhead, make Uneven PRINTING/POOR ResolutionE When using the Adj.B or C Head Slant as well as Smudged or Marred Printout Reverse Side Smudged or Marred Printout FrontWhite or Black Banding Disassembly & Assembly Summary Disassembly & Assembly Summary 108 Disassembly & Assembly Summary 109 Tool Part Code ToolsNecessary Tools Front Bottom Screws Screw ListType Color Description Disassemble Printer Mechanism Disassembly FlowRemove Panel & Housing Remove Circuit Board Panel Unit Removal Removing the Housing Lever opening cap Side Cover RemovalPanel Unit Hook Side Cover Paper Set Lever Position Roll Cover One ScrewScrews One screw on inside of right cover Three Side Cover Screws 1.4 I/C Holder Cover RemovalOne Roll Cover Two screws Two Top screws Cover Top Cover RemovalTop Cover Three screws Two screws Optional Rear Cover Removal Two Paper Guide L2 Removal Roll Paper Cover Brake pin Roll Paper Cover RemovalRoll Paper Cover Two Spindle support Front cover Support shaft Front Cover RemovalSpring catch Ring Support shaft Circuit Board Removal Power Board RemovalPower Supply Board Connectors Connector # Pins Color Connection Assy C299MAIN Board Connectors2.2 C299MAIN Board Removal Clamp 1 Clamp 2 Clamp AC Inlet Removal Disassembly of the AC inlet „ Do not remove or loosen the screws that secure the CR Printer Mechanism Disassembly Two waste ink tubes Flushing Tube Waste ink box clamp Replacing the Waste Ink PadsWaste Ink Box Waste ink Box clamp Three hooks 31. Disassembly of the Waste Ink Box Suctions fans One screw Fan duct Two Removing the Suction Fans Printer uses two printheads, B Head and C Head, Replacing the PrintheadsCarriage Cover Cutter Two Screwdriver Ink tubes Head Sight of the printhead ID when looking at the ID levelFrom straight in front, the printhead is not installed Properly CR Board Removing the CR Board AssemblyCR board guide Screw, ground line, and washer Three screws FFC to printheads Removing the Cutter Housing 43. Cutter Housing Outer Face 44. Cutter Housing Inner Face Cutter not Removing the Cutter SolenoidCutter shaft Cutter cap One screw PEdge sensor Inner Face Removing the CR Encoder SensorRemoving the PEdge Sensor CR Encoder Sensor One screw Ink tube cover Two Screws Removing the Ink Cartridge Holder & Slots„ Before removing and ink cartridge slot, drain the ink as Side frame Two Screws Six screws Holder Frame Cover-open Sensor One screwM3x6 M4x6 Holder Frame One screw M3x6 One screw M4x6 Two screws Slot frame Ink pipes Slot frame Hooks Removing the Ink Cartridge SensorSlot needle Two Screws M3x6Ink Low Sensor One screw M3x10 CR Timing Belt Motor Four screws Removing the CR Motor/Pulley AssemblyBelt Shaft Bracket Removing the PF Motor AssemblyReduction Pulley PF Timing Screws M4x10 Motor PF Motor Clamp For Panel Removing the Maintenance AssemblyWhen you replace the Maintenance Assembly, ink may spill Harness Maintenance Base Pump Assembly Cleaner HeadMaintenance Base Assembly Screws M4x6 Pump Motor Assembly Cap Assembly Flushing Box Good seal Pump Motor Assembly Clamp Screws M3x8 Removing the Pump Motor Assembly Here Removing the Cap AssemblyAssembly Tubes connect Cap part Removing the Cleaner Head Removing the Pump AssemblyTweezers Pump Assembly Screw M3x6 Flushing Box Assembly Removing the Flushing Box Assembly Clamp 2/4 Clamp 1/4 Removing the Headslide Sensor AssemblyClamp on Maintenance Base SensorScrew AssemblyM3x6 Removing the Crhp Sensor SensorConnector Removing the Release Sensor/PTHICK Sensor Connector Sensor Bracket Screw M3x6 Hooks Sensor Assembly Removing the PFRONt Sensor AssemblyScrews M2x8 81. Removing the Paper Guide U Removing the Prear Sensor Assembly Screws M2x12 Cover Sensor Cover SW Assembly Holder Removing the Cover Sensor Assembly Adjustment „ Before starting any adjustment procedure, find Adjustment OutlineAdjustment Tools Adjustment Tools Service Parts & Required Adjustments Adjustment ItemsService Adjustment Items Refer to Operation Parameter Backup Adjustment StepsRequirements for Parameter Backup Downloading Parameters from PC Card to NEW Board Backing UP Parameters from Main Board to PC Card End Error BACKUP/DOWNLOAD Error RecoveryRange of Backed UP Parameters „ After updating the firmware, the printer must perform an Firmware UpdatePaper Source + Cut/Eject + Cleaning Updating Firmware VIA the PC Updating Firmware from a Memory Card Self-Diagnostic Mode Controls Self-DiagnosticsNormal Self-Diagnostic Meaning Function Self-Diagnostic Menus Self-Diagnostic Mode Menus Test Item Description Do not attempt the D/A Revision or Head Signal test. TheseTest Menu Test Menu Items Control Panel Version Sensor Menu Options Sensors Sensor Adjustment Sensor Volume Adjustment PEdge, PFront, and PRear Sensor Adjustment† Pedge Sensor adjustment † Pfront Sensor † Prear Sensor Pfront & Prear Volume Adjustment FAN EncoderElec Revision and Head Signal Maintenance Record Items 10. Adjustment Menu Items Adjustment MenuAdjustment Item Description Adjustment Self-Diagnostic Mode Menus 175 ADJ Check Skew ADJ CAP Position ADJ Input Rank Write D/A Value Printing Pattern Nozzle Check End Cleaning Standard Print Adj. PatternADJ Check Nozzle Please Set Paper Head check pattern Bad ADJ X Head Slant B/C HeadsSlant Check End Adjustment Self-Diagnostic Mode Menus 180 Set ADJ B/C Head Height Adjustment Self-Diagnostic Mode Menus 182 Correct ADJ BI-D BiD, XXX, Y, Z O Y=N or M Enter Adjust Print Printing PatternBi-D End Description Number 11. Bi-D Adjustment Items Adjustment Self-Diagnostic Mode Menus 186 Gap Check End Head GAP Adjustment12. Head Gap Adjustment Items Please Set Paper Printing Pattern Gap XXX Y Flushing Point 123 Flush Point Adjustment 1000mm Feed AdjustmentEnter Adjust Print Printing Pattern Length 1000.0mm Bottom Length 15.0mm Side Margin ADJ TOP & BottomBottom margin Top margin Side Margin Feed Direction Printing Pattern Top Length 0mm RearSen. Pos +3mm ADJ Rear Sensor PositionPlease Set Cut Sheet Printing Pattern Paper Width 627mm Print Adj. Variable Test Pattern Print13. Printed Items in the Test Pattern Print Nozzle Check Adjustment Clean Head Drain INKMinutes 14. Counters Reset by Counter Clear Cleaning MenuCounter Clear Initialize Items Update ItemsPrint Menu Parameter Menu Adjustment Self-Diagnostic Mode Menus 196 Thick Mechanism Adjustment15. Necessary Mechanism Adjustments Parts Adjustment Necessary Tools Refer to Secure the screws CR Timing Belt Tension AdjustmentPF Timing Belt Tension Adjustment CR Tension Bracket Trigger arm Thick Sensor Assembly AdjustmentPaper Feed ↓ + Cut/Eject + Cleaning 16. P Thick Sensor Operation Check Front Cover LCD Message Cover Open Sensor Assembly17. Cover Sensor Assembly Check Flag Cover switch Holder Extracting the USB-ID Copy Program USB ID Copy/BackupAfter Extracting the Program Generating NEW ID & Writing IT to the NEW Board When performing either of the following procedures, do notRunning the Program Copying the ID to the NEW Board Maintenance General Maintenance Issues „ Due to the printer’s size, when performing any service or Product Life Information Periodic Maintenance ItemsParts That Require Periodic Replacement When replacing the waste ink pads, replace the pads Grease and Glue Application Important Maintenance Items During Service OperationsItems to be Checked During Maintenance/Service Lubrication and Glue Appendix Wiring Diagrams Board Connector Description Electrical Circuit Connector ListCN8WHT Parts List Parts ListRef. # Part Name Quantity CLEANER,HEAD,ASP Adjust Lever CAdjust Lever B Adjust Lever INK Sensor M Assy Frame ASSY.,NEEDLEINK Sensor K Assy INK Sensor C Assy Cover LID Assy Roll Support R AssyRoll Support L Assy Branl Panel Exploded View Diagram Epson Stylus Pro Frame Assembly ASS EAD ASS CR ASS Rame Accessr Mente ASS PM-7000C No.7 Rev.01 Cable IDE Appendix Exploded View Diagram 224 Appendix Exploded View Diagram 225 12. C299MAIN Board Component Layout of Component side Component Layout Appendix Component Layout 227 14. C299SUB Board Component Side Circuit DiagramsPage