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Epson service manual Epson Stylus Scan 2500 No.2

Models: Scan 2500

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EPSON STYLUS SCAN 2500 No.2

Rev.01 10138

Image 155

Epson service manual Epson Stylus Scan 2500 No.2

Contents

Epson Stylus Scan Epson Stylus Scan Revision a Precautions Preface Description Issued DateRevision Status RevisionEpson Stylus Scan Revision a Contents Maintenance Product Description Local copy Local Copy SpecificationsMode Scan Output Print Micro Dot Size Head Media Mode Res WeaveDocument Scan areaDocument Starting scan Edge Position 1st bit Scanning AreaPaper feed direction Printable Area Print areaPrint Area Control codes Raster Graphics modePrinting Input data bufferSize Left Margin Right Margin Top Margin Bottom Margin Min PaperPrintable Area for Envelopes Envelope MarginColor Ink Cartridge 9 InkAAS ScannerCommon Safety, EMC Electrical specificationsReliability Humidity % Temperature CEnvironmental conditions Resistance to electric noiseParallel InterfacesPrinter Interface Pin #2 Pin #1 USB ConfigurationUSB Preventing Data Transfer TIME-OUT of Hosts Interface SelectionIEEE1284.4 Protocol Scanner interfacesElement Description Scanner Configuration for USBUSB Buttons 10. Power-on functions11. Special settings mode Control PanelWarm up Copy Button12. Copy button functions 100% B&W Normal Quality Reduce Button Enlarge Number ColorLCD 13. Settings Menu14. LCD display and LED indicators Indicators and LCD Display15. Initialization InitializationPrinter Initialization Scanner Initialization Settings Menu16. Settings Menu Menus Stylus Scan ErrorsPRINTER-SPECIFIC Errors 17. Printer-SPECIFIC errorsADF SCANNER-SPECIFIC ErrorsOptions ScanningWeight Physical CharacteristicsDimensions Page Operating Principles Motor Type Function For details GeneralPrinter Mechanism Operation Motor Types and Corresponding FunctionsCR guide shaft CR Motor PF roller PG lever Printing MechanismPF motor Pump unitPiezo unit Filter Nozzle selector BoardSensor Ink cartridgeNozzles Printing ProcessNormal State Ink course Piezo unit Cavity Ejecting StateCarriage Mechanism and Motor Carriage Motor SpecificationsCR Motor Control for Each Mode Phase driveNormal Platen GAP LeverMotor Unit ForwardPaper Feeding Mechanism Motor Control for Each Mode PF Motor SpecificationsPaper Feeding Mechanism Top View Multiple Paper Loading Prevention Mechanism right side view MULTI-FEED Prevention MechanismMethod Smaller TRAILING-EDGE MarginPaper eject sequence Power off sequencePower on sequence Carriage Lock MechanismCombination 12.4,28 Eject roller transmission Gear Paper PICK-UP OperationPump roller Cap unit Pump, Carriage Lock, Head Cleaner MechanismCarriage lock Lever Cleaner blade Ink SystemGear B Compression Spring Gear C Pump drive Roller Pump Motor Rotation and FunctionPumping modes Pump Mode Revolutions AbsorptionCap Mechanism Carriage Unit Scanner Principles20. Carriage Movement Carriage OperationDpi Type Removal Local and PC Copy PrinciplesLocal copy process Stylus Scan 2500 Local CopyNormal PC copy PC Copy SettingsMode Setting Scan Res. dpi Print Res. dpi Media PC copy processElectrical Circuit Operating Principles Voltage Application Printer Scanner 1 B102 PSB/PSE BoardApplication of DC Voltage Circuit Switch Power signalZD53 Switch D89 D51 C51,C52 Power drop2 B102 Main Board Unit 1284 I/FOption TransceiverEpson Stylus Scan Revision a Troubleshooting Printer Condition and Panel Stat us Unit Level TroubleshootingFlowchart Printer/Scanner does not operate at power onSymptoms and Problem s EndEnd Error is detectedFailure occurs during printing Control panel operation is abnormal Printer does not feed paper correctlyPrinter-Specific errors Printer Related TroubleshootingRepair of the Printer Mechanis m Symptom Condition Cause Check Point SolutionRepair of the Printer Mechanism Epson Stylus Scan Revision a Epson Stylus Scan Revision a Power problems Scanner TroubleshootingUser-level Scanner-Specific errors Service Level Troubleshooting Starts HereCarriage Unit does not operate Scanner does not initialize11. The lamp does not light up 10. Carriage unit crashes into frame15. Option unit malfunction 13. Scsi Interface Error14. Parallel Interface Error 12. Poor image quality17. Sensor Check Troubleshooting Motors and Sensors16. Motor Resistance and Measurement Procedure Sensor Name Location Signal Level Sensor StatusDisassembly & Assembly Overview When assembling, if an ink cartridge is removed When transporting the printer after installingAssembling or adjusting the printer Make the specified adjustments when youTool List Specification for ScrewsScrew Characteristics ToolsHead Top Side Body Washer Assembled Screw Types and AbbreviationsCategory Component Item to check Is Check Required? Service Checks After RepairInspection Checklist for the Stylus Scan Epson Stylus Scan Revision a Disassembly Procedures Removing the rear cover Removing the HousingRemove three CBS 3x6 screws Removing the control panel assemblyRemoving the top cover Removing the scanner support frame Removing the side coversRemoving the paper eject assembly Remove two screws On the left side Removing the power supply board upper frameCable protector Remove two Screws Removal of the B102 PSB/PSE BoardRemoving the printer mechanism Remove three screws Remove two screws Remove one screw Remove four screws Removal of the Circuit Board TrayRemoval of the Printer Consumables Spacer Waste ink tank Removing the waste ink padsRemoving the cleaning assembly Pump Cap When assembling the printer, be careful not to crush nor When reassembling the cleaning assembly, refer toAssembly, be careful that the parts do not pop out during Disassembly and assemblyRemoving the Cap and Pump Assemblies Removing the Printhead Unit Disassembling the Printer MechanismNozzle Selector has been enclosed into head Fastener HeadCompression Spring Removing the PF Motor AssemblyNo.1 Removing the CR Motor AssemblyRemoving the ASF Assembly Removing the ASF AssemblyDisassembling the ASF Roller Assembly Black Hopper Assembly Brake Leveer Torsion SpringPaper Feed Roller Assembly Epson standard colorThat the hooks are hung on the paper feed Removing the Right and Left LD Roller AssemblyWhen installing the LD roller assembly, make sure AssemblyRemoving the Carriage Assembly 12. Removing the Carriage Assembly Removing the PF Roller Assembly PF Roller Assembly Front Paper Guide B Eject Paper Roller Assembly16. Removing the PE Detector Assembly Removing the PE Paper Detector AssemblyHP Detector Disassembly of the Scanner MechanismRemoving the HP Detector Remove two screws Removing the scannerRemoving the lamp Remove spring here Remove the FFC Removing the scanner power supply boardRemoving the scanner assembly from the scanner guide shaft Frame as described in .7.1.3 above Removing the scanner motorAdjustment Content of Operation Adjustment Procedure Required AdjustmentsList of Service Procedures That Require Adjustment List of Required AdjustmentsParallelism Adjustment Printer AdjustmentAdjustment Tools Required Printer hardware adjustmentsChecking Parallelism Left Parallelism AdjustmentFixing Parallelism Adjustment Bushing Installing the program Using the Service-Adjustment ProgramHead ID Menu Software-based Adjustment ProceduresService Menu Items Openning the Start-up menuAdjustment Using the Service-Adjustment Program 118 Adjustment Using the Service-Adjustment Program 119 Production Menu Adjustment Using the Service-Adjustment Program 121 Initial Ink Charge Operation Bi-D AdjustmentCL2 cleaning operation takes 60 seconds to complete Head Cleaning OperationFollowing patterns are printed Head Angular AdjustmentHead Voltage ID Input Printhead Securing screw Sample of Head Angular Adjustment PatternSpecial Menu Scanner AdjustmentInk draining Maintenance Scanner lubrication points CleaningLubrication Printer lubrication pointsStandard Remarks Pag Lubrication Point sMaintenance Overview 131 Maintenance Overview 132 GEAR,8 Gear 40.8 No.4Two Pieces Roller, ExitMaintenance Overview 135 Oil pad Lubricated side Faces out Carriage Assembly Bottom viewNever apply the oil exceeding 0.6cc GEAR,8 No.6 No.7 No.3 GearNo.9 No.10 No.8Scanner Mechanism Type Name Supply Specification QuantityAppendix Connector Board Connector Summary Connector Pin Assignment 10. Connector Pin Assignment-CN11 Connector Pin Assignment-CN8Connector Pin Assignment-CN9 Connector Pin Assignment-CN1014. Connector Pin Assignment-CN15 11. Connector Pin Assignment-CN1212. Connector Pin Assignment-CN13 13. Connector Pin Assignment-CN115. Printer Unit Eeprom Address Map Address Explanation SettingSettings Eeprom Address MapAppendix Eeprom Address Map 147 Appendix Eeprom Address Map 148 16. System Unit Eeprom Map Appendix Eeprom Address Map 150 Appendix Eeprom Address Map 151 Appendix Exploded Diagrams 152 Exploded DiagramsEpson Stylus Scan 2500 No.1 Epson Stylus Scan 2500 No.2 Epson Stylus Scan 2500 No.3 Epson Stylus Scan 2500 No.4 Epson Stylus Scan 2500 No.5 Epson Stylus Scan 2500 No.6 Rev.01 Epson Stylus Scan 2500 No.7 Epson Stylus Scan 2500 No.8 Packing Material for Epson Stylus Scan RefernceNumber Part Name Parts List17. Parts List Appendix Parts List 163 Appendix Parts List 164 Appendix Parts List 165 Appendix Parts List 166 Component Layouts Appendix Component Layouts 168 Appendix Component Layouts 169 Appendix Component Layouts 170 Appendix Component Layouts 171 Circuit Diagrams Page Page Page