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Epson N2700 manual ROM Dimm Removal, ROM Dimm Replacement

Models: N2700

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EPSON EPL-N2700

Rev. A

4.2.1 ROM DIMM Removal

1.Release two hooks fixing the access cover to the Upper Case and remove the access cover.

2.Remove two screws (1305) securing the upper shield cover and remove the upper shield cover.

3.Remove ROM DIMM from the PROG DIMM socket.

Access Cover

Upper Case

Upper Shield Cover

Shield Cover

Figure 4-3. ROM DIMM Replacement

Chapter 4 Disassembly/Assembly

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Image 92

Epson N2700 manual ROM Dimm Removal, ROM Dimm Replacement

Contents

Epson EPL-N2700 Page Precautions Safety Information Laser Beam Preface Revision Issued Date Description Contents Troubleshooting Appendix Product Description Software Engine FeaturesController Features Controller Specifications CPURAM ROMConfiguration Installation FormatOther Feature InterfacesEngine Specifications Paper Supply / Paper Size / Capacity Paper Specifications Paper Sources and their Paper AvailabilityConsumables and Options Supported Paper SizesPaper Feed Alignment Paper EjectionPower Supply Specification ConsumptionNoise Ozone DensityProcess Specifications Paper TypePaper Path Availability Paper Path AvailabilityPrintable Area Special Paper Standard NormalReliability, Durability, And Maintainability Skew DurabilityMaintainability Ejection CurlTemperature and Humidity Vibration Tolerance 13. Environmental Conditions Main UnitAIR Pressure Drop ToleranceElectrical Specifications Safety Approval Specifications Consumable ItemEnvironmental Condition for Storage and Transportation Drop TestParallel I/F Serial I/F Ethernet I/F Type B I/F Host Interface Usage Configurations19. Host Interface Usage Configurations Parallel Interface Serial InterfaceEthernet I/F 20. Ethernet I\F Pin AssignmentEmulation Emulation Type Entity Type Type-B I/F21. Emulations Available LED Indicators Control PanelLCD Panel ButtonsThis printer has a non-volatile memory Eeprom to Panel Settings Setting ItemsSelecType Option 1/7 SelecType Option 2/724. SelecType Option 3/7 25. SelecType Option 4/726. SelecType Option 5/7 27. SelecType Option 6/7Maintenance Menu *24 SelecType Option 7/7Setting Item Description Setting Item Setting value Default Value Setting methodMP Tray Size MP TypeMultibin Settings and Corresponding Outbins Available Output Tray Selection SpecificationsLC1 to LC3 Type Paper SourceItems of restriction on the paper tray Quantity Printing MenuDuplex Printing Menu Items of restriction on the duplex printingOne-Touch Setting 31. One-Touch Setting FunctionsSpecial Functions 32. Special Functions AvailableHex-Dump Mode Eeprom InitializationUpdating the Program ROM Copying the ROM ModuleMaintenance Mode ModeEngine Status Sheet Sample Engine Status SheetEPL-N2700 Revision a LC1 Data name Storage location Count condition Clear condition 34. Exterior View of the Printer Main Body Weight Operating Principles Printer Mechanism Operating Principles When the optional duplex unit are installed Optional cassettesGear/Roller Location Gear/Roller LocationElectrical Component Layout Electrical Component LayoutLocation Name Function Switches and SensorsSwitches and Sensors Paper Feeding Section MP TrayMP Cassette Set Sensor Mechanism Timing Roller Sensor Mechanism Paper Size Detection Mechanism Cassette CassetteSeparators 12. Cassette 1 Paper Feeding MechanismPaper Size and Corresponding Actuator Condition Actuators Paper Size14. Cassette 1 Paper Empty Sensor Mechanism 16. Cassette 1 Right Door Detecting Sensor Paper Feed 17. Registration CompensationPrinthead Unit Exposure Section 19. Printhead Unit MechanismPrint Process Sequence 20. Print Process SequenceImaging Cartridge Part Names and Functions of the Imaging CartridgeCharging Section Development Section24. Toner Image Production Transfer Section 25. Transfer Section MechanismFusing Section 26. Fusing Section28. Fuser Temperature Control Paper Exit Section 29. Paper Exit Sensor MechanismRight Door Interlock Switch Detection whether New or Used Imaging CartridgeSystem Layout Drive SectionElectrical Section 33. System Layout Electrical SectionMain Circuit Video Controller Main Component in the Main Circuit BoardMain Components in the Main Circuit Board Name Location FunctionsTroubleshooting Printer Messages Message ListPrinter Message Message TypeYyy Message Descriptions Service-call Error Engine Related ErrorEngine Related Error List Error Code DescriptionError Code ffff Description Controller Related Error ListController Related Error List Troubleshooting Clearing the Service-call ErrorTroubleshooting The Printer will not Start Adding on RAMImage Quality Problems Troubleshooting The Printer will not PrintTroubleshooting Image Quality Problem Printer will no PrintDISASSEMBLY/ASSEMBLY Precaution Unplug the power code from the AC socketTools Tool ListReference No Size Name Appearance Small PartsSmall Part Classification Binding head B-tite Screw Disassembly Procedure ROM Dimm Replacement ROM Dimm RemovalPaper Eject Sensor Removal Paper Eject Sensor RemovalMP Cassette Paper Take-up Roller Removal Taking out the MP CassetteNever touch the transfer roller surface with your bare Transfer SectionTransfer Roller Removal Transfer Unit Removal Timing Roller Front Sensor RemovalTiming Clutch Removal 13. Timing Clutch RemovalTiming Roller Removal 14. Timing Roller RemovalOutward Separating the PrinterInternal Cooling Fan Removal Rear Cover Removal Transport Motor Removal8 I/C Drive Motor Removal MP Cassette Size Sensor RemovalPaper Size Sensor Removal Top Cover RemovalToner Empty Sensor Removal 23. Toner Empty Sensor RemovalMain Circuit Board Removal 24. Main Circuit Board RemovalEngine Controller Board Removal 25. Engine Controller Board RemovalDisassembly/Assembly 106 Power Supply Unit Cooling Fan Removal With its exhausting side facing outsideHigh Voltage Unit Removal 29. High Voltage Unit RemovalFront Cover Removal Control Panel RemovalPrinthead Unit Removal 32. Lever / Left Cover RemovalDisassembly/Assembly 111 Power Supply Unit Removal 34. Harnesses to be RemovedFusing Section Fuser Unit RemovalHeater Lamp Replacement 38. Fuser Heater Lamp Front Cover RemovalDisassembly/Assembly 115 Disassembly/Assembly 116 Disassembly/Assembly 117 Upper Paper Separator Finger Removal 48. Fuser Lamp Termistor RemovalLower Paper Separator Finger Removal Upper Paper Eject Roller RemovalLower Paper Eject Roller Removal 53. Lower Paper Eject Roller RemovalDrive Unit Removal 54. Fuser Unit Reinforce Plate RemovalDisassembly/Assembly 122 MP Cassette Paper Empty Sensor Removal MP Cassette Paper Take-up Solenoid SL1 RemovalMP Cassette Set Sensor Removal MP Cassette Paper Near Empty Sensor Removal 60. MP Cassette Paper Near Empty Sensor RemovalRoller is securely locked as shown below Cassette 1 DisassemblyPaper Take-up Roller Removal Cassette 1 Paper Empty Sensor Removal Cassette 1 Paper Near Empty Sensor RemovalPaper Size Paper Size Switch Sensor Removal Cassette 1 Control Board PWB-A RemovalCassette 1 Paper Take-up Solenoid Removal 65. Cassette 1 Paper Take-up Solenoid RemovalCassette 1 Right Door Set Sensor Removal Error Indications and Measures To cancel the updating at this point, press the MenuUpdating the Firmware Updating the Program ROMDisassembly/Assembly 131 Copying the Dimm Module Adjustment Adjustment 134 Maintenance Maintenance by Users Replacement of Consumable ItemsUser-performable Maintenance List Replacement of Consumable ItemMaintenance by Servicers Maintenance by ServicersAfter replacing the Fusing Unit, perform Fuser Replaced item Replacement cycleAppendix Connector Summary C269MAIN Circuit Board PWB-P Connector Summary Engine Controller Board PWB-AConnector Summary High Voltage Unit Connector Summary Low Voltage UnitConnector Number Constituent to which Other end Pins Connector is connected Harness is connectedComponent Layout Ref. No Part Name HousingParts List Housing Appendix Exploded Diagrams 143 Parts List Frames FramesAppendix Exploded Diagrams 145 Parts List Fusing Section a Fussing Section aAppendix Exploded Diagrams 147 Fusing Section B Parts List Fusing Section BAppendix Exploded Diagrams 149 Parts List Transport Section a Transport Section aAppendix Exploded Diagrams 151 10. Parts List Transport Section B Transport Section BAppendix Exploded Diagrams 153 11. Parts List Electric Components Electrical ComponentsAppendix Exploded Diagrams 155 12. Parts List Paper Take-up Section Paper Take-up SectionAppendix Exploded Diagrams 157 13. Parts List Drive Section Drive SectionAppendix Exploded Diagrams 159 14. Parts List Paper Tray Unit Paper Tray UnitAppendix Exploded Diagrams 161 Circuit Diagrams Page