Epson TM-FX2180 manual Abnormal Paper Feeding Abnormal Power Operation

Page 36

EPSON FX-2180 Service Manual

2-2. Abnormal Paper Feeding

3. Abnormal Power Operation

Chapter 3 Troubleshooting

START

START

When paper is

 

 

 

 

NO

loaded, is it ejected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

automatically?

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is CN7

 

 

 

 

 

 

 

 

 

 

 

connected

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

Connect CN7.

properly?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the problem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

solved?

 

 

 

 

 

Is the FFC

NO

 

 

 

 

 

 

 

 

 

 

 

 

cable OK?

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

Replace the

 

 

 

 

 

 

 

 

 

 

cable.

Does the printer load single sheets properly, but not load continuous paper at all?

YES

 

Is CN12

NO

connected

 

properly?

 

YES

YESNO

END

Connect

CN12.

Is the problem solved?

YES

END

Does the Operate

 

 

 

NO

button turn the printer

 

 

 

 

 

 

on and off?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

Is CN7

 

 

 

 

 

 

NO

 

 

Connect CN7.

connected

 

 

 

properly?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

Is the problem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

solved?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

END

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the Operate button on the control panel using

a multimeter.

Is the Operate NO button working

correctly?

YES

NO

Replace the control panel board.

Is the problem solved?

YES

END

NO

Is the problem

solved?

Does the

NO

Does the

NO

release sensor work

 

correctly?

 

YES

 

YES

 

 

NO

Replace the release sensor.

Is the

Is control panel

NO

 

FFC connected

 

 

 

 

 

 

 

 

correctly?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connect the cable.

Is the problem solved?

Is control panel

NO

 

 

FFC connected

 

 

correctly?

 

 

 

 

 

 

 

YES

 

 

 

NO

 

 

 

 

 

Connect the cable.

Is the problem solved?

TOP sensor work correctly? See Table 3-2.

Replace the

TOP sensor.

YES

END

Replace the

main board.

problem solved?

YES

END

Check the FFC

YES

using a multimeter.

END

 

NO

 

Check pin 19 of the FFC.

YES

END

NO

Is the problem solved?

YES

Replace the main

END

Is the FFC

 

 

OK?

 

 

YES

 

Replace the FFC.

 

NO

Is the problem

 

 

 

 

solved?

Is FFC

NO

 

OK?

 

YES

 

 

NO

Replace the

FFC.

Is the problem solved?

YES

board.

END

END

 

 

 

Replace the main

 

YES

board.

END

 

Replace the power

supply board.

END

END

END

Figure 3-5. Flowchart 2-2

Figure 3-6. Flowchart 3

3-6

Image 36
Contents 659,&0$18$ FCC Compliance Statement For American Users Trademarks Precautions Preface Table of Contents Page Page Product Description Specifications Printing SpecificationsPrint Speed and Printable Columns Character Printable Printing Speed cpsResolution Printing ModePrintable Area Vertical Adjacent Dot Density dpiContinuous Paper EnvelopesPostcards Roll PaperPaper Feed Specifications Paper SpecificationsFront Entry Rear Entry Minimum Maximum Minimum Maximum Front Entry Rear Entry Bottom Entry Min Max Interface Specifications Software SpecificationsFront Entry Bottom Entry Minimum Maximum Electrical Specifications Physical SpecificationsEnvironmental Conditions ReliabilityOperation LEDs Button FunctionLEDs Color Description Error Beep Pattern Paper Release Lever PositionsBeeper Lever Position DescriptionTurning on the Double-strike Mode Special FunctionsPaper Thickness Lever Positions Printing a Self TestUsing the Bidirectional Adjustment Mode Changing Default SettingsSetting Options Consumables and Options Printing a Hex DumpClearing the Eeprom ConsumablesOperating Principles Overview Printer MechanismPower Supply Circuit Power Supply Circuit OperationBoard Input Voltage Fuse F1 Rating Output Voltage ApplicationsControl Circuit Control Circuit OperationComponent Functions CPU IC2+$375 Troubleshooting Information Print HeadSensors Sensor Test PointsError Conditions MotorsUnit Level Troubleshooting Symptom Problem Description FlowchartFlowchart Abnormal Paper Feeding Abnormal Power Operation Repairing the Power Supply Board Problem Cause Checkpoint SolutionWaveform Repairing the Main Board Assembly Problem Cause Checkpoint Solution15. Waveform Repairing the Printer Mechanism Repairing the Printer MechanismFFC TOP Troubleshooting Disassembly and Assembly Precautions Description SpecificationTools ToolSpecifications for Screws Abbreviation Part NameService Check After Repair Category Item to Question to Answer CheckmarkDisassembly and Assembly Whenever you repair the printer, wipePreparing to Disassemble the Printer Rear tractor tab 1Removing the Panel Board Assembly Removing the Panel Board AssemblyConnecting the Print Head FFCs Removing the Print HeadRemoving the PW Sensor Assembly Removing the HP Sensor10. Installing the PW Sensor Assembly Removing the Ribbon MaskRemoving the Upper Housing Assembly 13. Removing the Upper Housing AssemblyRemoving the Platen Assembly 15. Removing the Platen AssemblyRemoving the Case Open Sensor Assembly Removing the Platen Gear18. Removing the Case Open Sensor Assembly Removing the Printer MechanismConnector Pins CN9Removing the CR Motor Assembly 21. Removing the CR Motor AssemblyRemoving the PF Motor Assembly 22. Removing the PF MotorRemoving the PG Sensor Assembly 23. Removing the PG Sensor AssemblyRemoving the Right Sub Frame Assembly Removing the Right Frame AssemblyDisassembling the Right Frame Assembly $-86701727. Engaging the Right Frame Assembly Gears 1 Removing the Left Frame Assembly 29. Engaging the Tractor Clutch CamRemoving the Ribbon Drive RD Assembly 30. Removing the Left Frame AssemblyRemoving the CR Assembly Tightening torque for the two CBS screws34. Inserting the Timing Belt Removing the Rear PE Sensor Assembly 36. Installing the Rear CR Guide Shaft38. Removing the Front PE Sensor Assembly 39. Removing the Upper Shield Plate and Upper I/F Removing the Power Supply Board Assembly 41. Removing the Power Supply Board AssemblyAdjustments Adjustment Overview Required AdjustmentsAdjustment Tools Adjusting and Resetting the Printer Platen Gap/Parallelism AdjustmentSetting the PG Adjustment Lever Bidirectional Print Alignment Bi-d Adjustment Adjusting the Parallelism of the Carriage Guide ShaftPerforming the Bi-d Adjustment Using the Settings Diskette Destination SettingPerforming the Bi-d Adjustment from the Control Panel Bi-d Adjustment MenuFactory Settings 11. Pitch LightsTPE Level Reset TPE level. Check that the reset value is FF17. Main Menu Adjustments Maintenance Preventive Maintenance Lubrication Name Quantity Availability Part NumberMaintenance Ref. No Lubrication Points Quantity LubricantLubrication Points 1 Appendix Connector Summary Board Connector Function PinsSignal Name Function Pin Signal Name Function Table A-8. Connector Pin Assignments − CN9 Table A-13. Connector Pin Assignments − CN14 Circuit Board Component Layout Diagrams Figure A-3. C244 Main Board Component Layout Diagram 2Figure A-4. C166 PSB Board Component Layout Diagram Circuit Board and Exploded Diagrams Page DB1 A t s in k Q 1 , D 5 Page Exploded Diagram for FX-21801 Exploded Diagram for FX-21802 Exploded Diagram for FX-21803