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Epson 7000 Circuit Board Removal, Power Board Removal, Power Supply Board Connectors, CN001

Models: 7000

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EPSON Stylus Pro 7000

Revision B

4.2.2 Circuit Board Removal

This section explains how to remove the Circuit Board (C299PSU) and the

Main Board (C299MAIN).

4.2.2.1 Power Board Removal

W A R Unplug the AC power cable and wait at least five minutes before removing the power supply board to make sure there is no residual power left in the board’s condensers.

1.Remove the Rear Cover as described in “Rear Cover Removal” on page 118.

2.Remove the two cables connected to the Power Board as shown below.

Table 4-3. Power Supply Board Connectors

Connector #	Pins	Color	Connection	Notes

CN001	3	white	AC inlet	lock type

CN3	12	white	C299MAIN	lock type

3.Remove the four white screws (CPS:M4x8) securing the Power Board, and then remove the Power Board.

Two	Two
Two	screws
screws

CN3

CN001

Figure 4-25. Power Supply Board Removal

Disassembly & Assembly

Disassembly Flow

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Epson 7000 service manual Circuit Board Removal, Power Board Removal, Power Supply Board Connectors, CN001

Contents

Epson Stylus PRO Page Precautions About This Manual Symbols Used in This Manual Revision Status Contents Operating Principles Disassembly & Assembly Maintenance Product Description Throughput Speed FeaturesEpson media Slide Bar Resolution Dot Mode Speed Consumables & Options Standard AccessoriesConsumable Products & Options Name Code ProductCharacter Specifications Print SpecificationsPrinting Specifications Print Area and SpeedEpson Special Paper Paper SpecificationsRoll Paper Specifications Should be smoothSupported Cut-Sheet Paper CUT Sheet SpecificationsSize Dimensions W x H Cut-Sheet AvailabilityPrintable Area Optimal Margin SettingsPrintable Area Printable AreaSituation Temperature Electrical Specifications10. Electrical Specifications Ink CartridgesReliability TEMPERATURE/HUMIDITYHumidity % Temperature C Environmental Conditions12. Vibration and Shock ControllerVibration & Shock Condition Vibration ShockConformity/Safety Approvals Acoustic Noise Interfaces CE MarkingData Transmission Timing Parallel Interface Compatibility Mode13. Parallel Interface Specifications Description15. Typical tack time Parallel I/F mode Time required14. Data transmission times Parameter Minimum Maximum16. Connector Pin Assignments and signals Forward Channel Pin Signal Return Functional Description Name Out18. Connector Pin Assignments Reverse Channel Parallel Interface Nibble Mode17. Transmission Specifications Pin Signal Name Return Functional Description OutParallel interface ECP mode 19. Transmission Specifications20. Connector Pin Assignments ECP Mode 4 USB 21. USB connector pin assignments and signalsPin no Signal name In/Out Description Pin #2TYPE-B Optional Interface Preventing Data Transfer Time-OutsInterface Selection Printer Dimensions & Weight Setup GuidelinesCutter Specifications Buttons Button Function SelecType Power-On Second function NormalControl Panel 22. Buttons and FunctionsStatus Condition LED Indicators23. LED Indicator Lights 25. Paper Out Indicator Indicator Status in Normal Mode24. Operate Indicator 26. Pause Indicator29. Control Panel Messages 28. Paper Source IndicatorControl Panel Messages Display Message MeaningPanel Display Priority Loading Paper Display Message For details, see SelecType Settings30. SelecType Menus Display Message Options Printer Setting Menu31. Printer Setting Menu Status sheet Test Print MenuNozzle check 32. Test Print Menu33. Cutter Life Value Printed Value MeaningPrinter Status Menu Paper Configuration Settings35. Paper Config. Menu Detecting Paper ThicknessCutter Replacement Menu 36. Cutter Replace MenuHead Alignment Menu Head Alignment sections37. Head Alignment Menu Maintenance RequestADJUST. Patt Display MessagesService Code Explanation Service Requests38. Service Errors 39. Maintenance Mode Maintenance And Diagnostic ModesMaintenance Mode Following explanations regarding control panel serviceLCD Message Description 40. Maintenance Mode 2 Nvram counter value menuLCD Message Description Decimal Information contained in this section is not to be shared Firmware UpdateSELF-DIAGNOSTIC Mode Type Number Setting Jumper Settings41. Jumper Settings InitializationTransportation Mode Operating Principles Printer Mechanism Components Component List & IllustrationsPrint Mechanism Components Part Drive voltage DescriptionEpson Stylus Pro Carriage Components Edge sensor Underneath carriage Control PanelPaper Feed Path & Components Paper Set Lever Rear sensor Front sensor Paper suction FansMain board Power supply Board PumpCarriage Linear Encoder Flag Fence Home Position Sensor Description of ComponentsCarriage Movement CarriageCarriage & Carriage Components Screw Cutter height guide CutterPaper Feed Assembly PF RailPaper Thickness Detection Detected Sensor Signal Output Signal Thickness StrengthPAPER-FEEDING-RELATED Sensors Flushing box Pump Maintenance AssemblyCR Lock HeadCap Assembly Cleaner Pump Assembly CR Lock Mechanism Ink Low Sensor Ink Supply MechanismINK-RELATED Sensors Motor Driver Motor Driver Front cover Open Cover open FlagCover open sensor CoverCarriage Mechanism Print Mode Carriage SpeedPrinter Mechanism Operation Outline Print SpeedPlaten GAP Mechanism 17. Platen Gap ControlControl Panel Command Paper Actual Platen Determining PG SettingsPlaten Gap Settings Setting Setup Gap PositionStops Paper Feed MechanismYes Left-top edge Right-top edge Perform regular flushing Black line = paper DetectionInHP? Yes Paper exists? Yes20. Paper-size detection of leading edge Epson Stylus Pro Revision B 21. C299MAIN Board-Circuit Block Diagram Summary of Control Circuit OperationsControl Circuit Operation Name/Code Location FunctionSignal Name Condition Function Power Supply Board SummaryPS Board Signal Summary Troubleshooting First Diagnosing the ProblemOutline RememberMaintenance Errors Service Errors Service ErrorsLCD message Status Type Refer to Troubleshooting Using the Error MessagesLCD Panel Error Messages NvramMessages That Indicate Service is Necessary Error Code Description Refer toLCD Error Type Message Refer toInk Low No Paper Loaded Maintenance Call nnnnErrors Please Load Paper Path Command and LED IndicatorsPP Command Roll Sheet Auto Cut No Cut 10. Please Load Paper12. Cover Open 13. Paper Not Cut14. Paper Skew 15. Correctly Load Paper18. Replace Ink Cartridge 16. Return Paper Lever17. Load Ink Cartridge Cause the ink counter to function improperly21. Remove Paper 19. No Cartridge20. Option I/F Card 22. Cannot Print24. Fatal Error Code List Fatal Errors23. Fatal Error Code Description Refer toService Call Errors That Require a Service TechnicianMaintenance Call Epson Stylus Pro Revision B Epson Stylus Pro Revision B Epson Stylus Pro Revision B Service Call 0001000C Service Call 0001000AService Call 0001000B Service Call 0001000D Service Call 0001000EService Call 0002000B Mail BOX Memory Error Paper OUT General ErrorsINK LOW Paper JAM Load XXX PaperLoad Paper Cover OpenReload Paper Paper not CUTPaper not Straight No INK Cartridge Please Lower LeverINK OUT Remove Paper Troubleshooting Based on Your PrintoutOption I/F Error 25. Diagnosing trouble based on printoutE When using the Adj.B or C Head Slant as well as Uneven PRINTING/POOR Resolution„ Before you uninstall the Main Board or a printhead, make White or Black Banding Smudged or Marred Printout FrontSmudged or Marred Printout Reverse Side Disassembly & Assembly Summary Disassembly & Assembly Summary 108 Disassembly & Assembly Summary 109 Front Bottom ToolsNecessary Tools Tool Part CodeType Color Description Screw ListScrews Remove Circuit Board Disassembly FlowRemove Panel & Housing Disassemble Printer MechanismRemoving the Housing Panel Unit RemovalHook Side Cover RemovalPanel Unit Lever opening capOne screw on inside of right cover Roll Cover One ScrewScrews Side Cover Paper Set Lever PositionTwo screws 1.4 I/C Holder Cover RemovalOne Roll Cover Three Side Cover ScrewsTop Cover Three screws Top Cover RemovalTwo Top screws Cover Rear Cover Removal Two screws OptionalPaper Guide L2 Removal TwoSpindle support Roll Paper Cover RemovalRoll Paper Cover Two Roll Paper Cover Brake pinSupport shaft Front Cover RemovalSpring catch Ring Front cover Support shaftConnector # Pins Color Connection Power Board RemovalPower Supply Board Connectors Circuit Board RemovalClamp 1 Clamp 2 Clamp C299MAIN Board Connectors2.2 C299MAIN Board Removal AssyDisassembly of the AC inlet AC Inlet RemovalPrinter Mechanism Disassembly „ Do not remove or loosen the screws that secure the CRWaste Ink Box Replacing the Waste Ink PadsTwo waste ink tubes Flushing Tube Waste ink box clamp 31. Disassembly of the Waste Ink Box Waste ink Box clamp Three hooksRemoving the Suction Fans Suctions fans One screw Fan duct TwoCarriage Cover Cutter Two Replacing the PrintheadsPrinter uses two printheads, B Head and C Head, Ink tubes ScrewdriverProperly Sight of the printhead ID when looking at the ID levelFrom straight in front, the printhead is not installed HeadFFC to printheads Removing the CR Board AssemblyCR board guide Screw, ground line, and washer Three screws CR BoardRemoving the Cutter Housing 44. Cutter Housing Inner Face 43. Cutter Housing Outer FaceCutter cap Removing the Cutter SolenoidCutter shaft Cutter notCR Encoder Sensor One screw Removing the CR Encoder SensorRemoving the PEdge Sensor One screw PEdge sensor Inner FaceSide frame Removing the Ink Cartridge Holder & Slots„ Before removing and ink cartridge slot, drain the ink as Ink tube cover Two ScrewsHolder Frame One screw M3x6 One screw M4x6 Holder Frame Cover-open Sensor One screwM3x6 M4x6 Two Screws Six screwsInk pipes Two screws Slot frameSlot needle Two Screws M3x6Ink Low Sensor One screw M3x10 Removing the Ink Cartridge SensorSlot frame Hooks Belt Shaft Removing the CR Motor/Pulley AssemblyCR Timing Belt Motor Four screws Screws M4x10 Motor PF Motor Removing the PF Motor AssemblyReduction Pulley PF Timing BracketHarness Maintenance Base Removing the Maintenance AssemblyWhen you replace the Maintenance Assembly, ink may spill Clamp For PanelPump Motor Assembly Cap Assembly Flushing Box Cleaner HeadMaintenance Base Assembly Screws M4x6 Pump AssemblyGood seal Removing the Pump Motor Assembly Pump Motor Assembly Clamp Screws M3x8Cap part Removing the Cap AssemblyAssembly Tubes connect HereTweezers Pump Assembly Removing the Pump AssemblyRemoving the Cleaner Head Removing the Flushing Box Assembly Screw M3x6 Flushing Box AssemblySensorScrew AssemblyM3x6 Removing the Headslide Sensor AssemblyClamp on Maintenance Base Clamp 2/4 Clamp 1/4SensorConnector Removing the Crhp SensorConnector Sensor Bracket Screw M3x6 Hooks Removing the Release Sensor/PTHICK SensorScrews M2x8 Removing the PFRONt Sensor AssemblySensor Assembly Removing the Prear Sensor Assembly 81. Removing the Paper Guide URemoving the Cover Sensor Assembly Screws M2x12 Cover Sensor Cover SW Assembly HolderAdjustment Adjustment Tools Adjustment OutlineAdjustment Tools „ Before starting any adjustment procedure, findService Adjustment Items Refer to Operation Adjustment ItemsService Parts & Required Adjustments Requirements for Parameter Backup Adjustment StepsParameter Backup Backing UP Parameters from Main Board to PC Card Downloading Parameters from PC Card to NEW BoardRange of Backed UP Parameters BACKUP/DOWNLOAD Error RecoveryEnd Error Updating Firmware VIA the PC Firmware UpdatePaper Source + Cut/Eject + Cleaning „ After updating the firmware, the printer must perform anUpdating Firmware from a Memory Card Normal Self-Diagnostic Meaning Function Self-DiagnosticsSelf-Diagnostic Mode Controls Self-Diagnostic Mode Menus Self-Diagnostic MenusTest Menu Items Do not attempt the D/A Revision or Head Signal test. TheseTest Menu Test Item DescriptionVersion Control PanelSensors Sensor Menu OptionsSensor Adjustment † Pedge Sensor adjustment PEdge, PFront, and PRear Sensor AdjustmentSensor Volume Adjustment Pfront & Prear Volume Adjustment † Pfront Sensor † Prear SensorElec EncoderFAN Maintenance Record Items Revision and Head SignalAdjustment Item Description Adjustment Menu10. Adjustment Menu Items Adjustment Self-Diagnostic Mode Menus 175 ADJ CAP Position ADJ Check SkewWrite D/A Value ADJ Input RankPlease Set Paper Cleaning Standard Print Adj. PatternADJ Check Nozzle Printing Pattern Nozzle Check EndSlant Check End ADJ X Head Slant B/C HeadsHead check pattern Bad Adjustment Self-Diagnostic Mode Menus 180 ADJ B/C Head Height SetAdjustment Self-Diagnostic Mode Menus 182 ADJ BI-D CorrectBi-D End Enter Adjust Print Printing PatternBiD, XXX, Y, Z O Y=N or M 11. Bi-D Adjustment Items Description NumberAdjustment Self-Diagnostic Mode Menus 186 Please Set Paper Printing Pattern Gap XXX Y Head GAP Adjustment12. Head Gap Adjustment Items Gap Check EndFlush Point Adjustment Flushing Point 123Printing Pattern Length 1000.0mm Feed AdjustmentEnter Adjust Print 1000mmPrinting Pattern Top Length 0mm ADJ TOP & BottomBottom margin Top margin Side Margin Feed Direction Bottom Length 15.0mm Side MarginPrinting Pattern Paper Width 627mm ADJ Rear Sensor PositionPlease Set Cut Sheet RearSen. Pos +3mmPrint Nozzle Check Test Pattern Print13. Printed Items in the Test Pattern Print Adj. VariableMinutes Clean Head Drain INKAdjustment Counter Clear Cleaning Menu14. Counters Reset by Counter Clear Parameter Menu Update ItemsPrint Menu Initialize ItemsAdjustment Self-Diagnostic Mode Menus 196 Parts Adjustment Necessary Tools Refer to Mechanism Adjustment15. Necessary Mechanism Adjustments ThickCR Tension Bracket CR Timing Belt Tension AdjustmentPF Timing Belt Tension Adjustment Secure the screws16. P Thick Sensor Operation Check Thick Sensor Assembly AdjustmentPaper Feed ↓ + Cut/Eject + Cleaning Trigger armFlag Cover switch Holder Cover Open Sensor Assembly17. Cover Sensor Assembly Check Front Cover LCD MessageAfter Extracting the Program USB ID Copy/BackupExtracting the USB-ID Copy Program Copying the ID to the NEW Board When performing either of the following procedures, do notRunning the Program Generating NEW ID & Writing IT to the NEW BoardMaintenance General Maintenance Issues „ Due to the printer’s size, when performing any service or When replacing the waste ink pads, replace the pads Periodic Maintenance ItemsParts That Require Periodic Replacement Product Life InformationLubrication and Glue Important Maintenance Items During Service OperationsItems to be Checked During Maintenance/Service Grease and Glue ApplicationAppendix Wiring Diagrams CN8WHT Electrical Circuit Connector ListBoard Connector Description Ref. # Part Name Quantity Parts ListParts List Adjust Lever Adjust Lever CAdjust Lever B CLEANER,HEAD,ASPINK Sensor C Assy Frame ASSY.,NEEDLEINK Sensor K Assy INK Sensor M AssyBranl Panel Roll Support R AssyRoll Support L Assy Cover LID AssyExploded View Diagram Frame Assembly Epson Stylus ProASS 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 Component Layout 12. C299MAIN Board Component Layout of Component sideAppendix Component Layout 227 Circuit Diagrams 14. C299SUB Board Component SidePage