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Epson C40UX service manual

Models: C40UX

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Epson C40UX service manual

Contents

Stylus C40UX/C40SX/C20UX/C20SX General Notice Precautions About This Manual Revision Status Contents Adjustment DisassemblyProduct Description Delay of oparation Eeprom 29 H bit 0 value Model Delay time during printingDifferences between the Stylus C20 and the Stylus C40 ThroughputHorizontal Printable area Available dot CR Speed Physical SpecificationPrinting Specification Electrical specification Paper FeedingInput Data Buffer Feed condition Time SpeedSafety Approvals Envirormental ConditionReliability Acoustic NoiseParallel Interface Forward Channel Signal name In/Out Function descriptionUSB Interface Parameter Parallel I/F mode Typical time of tackParameter Minimum Maximum Pin No Signal Name ReturnG Functional description Parallel Interface Reverse ChannelPrevention Hosts from Data Transfer Time-out IEEE1284.4 Protocol Operate Switch Control PanelPanel Functions Printer Condition and Panel StatusErrors Printer InitializationPaper Specification Paper HandlingPrinting Area Printable Area for Cut SheetSize Paper LMLeft RMRight TMTop Black BM Color BMMargin Black Ink Cartridge Color Ink CartridgeOperating Principles Overview Printer MechanismPrinthead Printhead Sectional DrawingNormal State Ejecting StateInk Path Ink CavityCarriage Motor Specification Items SpecificationsCarriage Mechanism Detection positionI/C change position † PF motor drive transmission path PF Motor SpecificationsPaper Feeding Mechanism † Switch the PF motor drive to ASF unit side Paper Loading Mechanism ASF Unit† Clutch Mechanism ASF unit function & PF Motor rotational direction† Transfer the PF motor drive to LD roller 11. Disengage & Clutch mechanism † Paper Return Plate Pad holder13. ASF Paper Loading Sequence Ink System Mechanism PF motor rotational direction & Ink System Mechanism16. Cap Mechanism Wiper with the cap unitNon porous pad in cap 18. non porous pad in cap Stylus C40/C20† Manual Cleaning † Timer CleaningInk Sequence † Initial ink charge† Flashing Printing mode for Black mode Printing modePrinting mode for Color mode Application of the DC Voltages Electrical Circuit Operating Principles1 C417 PSB/PSE board TRANST1 2 C413 MAIN/B Board Main ElementsTroubleshooting Motor Location Check Point Resistance Sensor Name Check Point Signal Level Switch ModeSensor Check Point Troubleshooting with LED Error Indications Error Indicator of Operation PanelError Condition and possible cause Printer Status Indicators Priority Power ErrorPaper out error indication Step Detail phenomenon Check point RemedySpur gear 35.2 is Rotating If it is no problem, proceed Paper jam error indication 10. Paper jam error indication 11. Paper Jam Error indication12. Ink Out error indication Detail phenomenon Check point Remedy14. Paper is always loaded without any print job 15. Fatal Error indication13. Multiple papers are always loaded 17. Dot missing occur and it is not recovered with CL 18. Dot missing occur and it is not recovered with CL 19. Dot missing occur and it is not recovered with CL20. Print quality is not good 21. Print quality is not good22. Print quality is not good Disassembly and Assembly Precautions PrinterEt que le cordon d’alimentation soit debranche Name and Specification Outward Form ToolsScrews Name Supplier Parts NoWork Completion Check Work Completion CheckClassifi Check Point Status Cation Classifi Check Point StatusDisassembly Disassembling FlowchartEdge guide Upper housing removalUpper housing ASF unit removal CBP 3⋅ CBS P2 3⋅Tube stopper Waste ink pad „ Waste ink counter reset operation. Refer to SectionWaste ink pad removal „ Tightening Torque for screw +/-1 kgf.cm PS unit removalCN2 PS unit S 3⋅ P 3⋅ Paper eject roller removal ProtrusionCBS 3⋅ Front FramePaper Eject roller GearUSB Type CBS 3⋅ Parallel Type F.S-Tite 3⋅ Switch cover HooksMain board removal 21. Disconnecting the connectors 22. Removing the Main boardCR motor removal Printhead unit removal Carriage unitCarriage cover Printhead unit30. Disconnecting the FFC LD unit removal LD unit CablesPrinter mechanism removal Adjustment Performance Priority Required AdjustmentRequired Adjustment Adjustment Program Initial Setting menu Main Menu Service Adjustment Program featureBasic adjustment items Bi-d adjustment even if the paper is out in the ASF. When Feed command until the paper is set in the ASFEeprom initial setting Head IDRead out the Head ID from the Eeprom 10. Choose the Bi-d adjustment Bi-D13. Bi-d adjustment input menu USB ID15. Choose the USB ID input menu Top margin 16. Choose the Top margin menuFor the initial ink charge operation is so large Head cleaningInitial ink charge Refurbishment for DOA 21. Choose the Refurbishment for DOA menuProtection counter check Check the present counter valueClear the present counter value Excepting ESPEepron check 26. Eeprom check function29. Eeprom backup data Eeprom back up data15 A4 pattern will print 31. A4 Check pattern32. A4 Check pattern Maintenance Cleaning Service Maintenance † Head Cleaning† Maintenance Error Clear LubricationLubrication Type/Point Remarks Lubrication Type/PointMain frame Right side view 200mm Appendix Connector Summary Major Component UnitCN9-Printhead PinAddress Explanation Setting Eeprom Address MapEeprom Address Map FactoryAppendix Eeprom Address Map 103 Appendix Eeprom Address Map 104 Bit7 Bit6 Name mode Market Eeprom address Eeprom settingBit3 Bit2 D4mode Bit1 Bit0 D4modeComponent Layout C413MAIN component layoutAppendix Component Layout 107 Ref No Description Parts ListParts list Exploded Diagram Stylus C40UX/C40SX/C20UX/C20SX Exploded DiagramAppendix Exploded Diagram 110 Appendix Exploded Diagram 111 Stylus C40UX/C40SX/C20UX/C20SXRevision a Appendix Exploded Diagram 113 Appendix Exploded Diagram 114 Electrical Circuits Page Page Page Page