Epson TM-FX2180 manual Flowchart

Page 35

EPSON FX-2180 Service Manual

1. Abnormal Carriage Operation

START

Chapter 3 Troubleshooting

2-1. Abnormal Paper Feeding

START

When you turn on

the printer, does the CR motor rotate?

YES

Does the CR motor stop during or after initialization?

YES

When you

move the CR by hand with the printer off, does it move freely?

YES

 

 

NO

 

 

Is CN11 connected

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

properly?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check the CR motor

 

NO

 

 

 

 

 

 

 

coil resistance.

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Table 3-3.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

Is it OK?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the main

 

Replace the CR

 

 

 

 

 

board.

 

 

motor.

 

 

NO

END

Connect CN11.

Is the problem solved?

YES

END

Does the PF motor rotate?

YES

Is paper

ejected automatically when you turn on the printer?

YES

Does the

printer indicate it is

ready after the paper is ejected?

YES

 

 

 

 

 

 

 

 

 

 

 

Is CN10

 

 

 

 

 

 

 

NO

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

properly?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

See Flowchart

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2-2.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the resistance of the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

PF motor coils correct?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Table 3-3.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

Replace the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

main board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connect CN10.

Is the problem solved?

YES

END

Replace the PF motor.

Is the problem solved?

YES

Is the platen gap

NO

 

adjusted properly?

 

YES

Adjust the platen gap.

See Chapter 5.

YES

 

 

Is foreign

 

 

 

 

material stuck on the

 

 

 

 

 

TOP sensor?

 

 

 

 

 

 

 

 

 

 

 

 

NO

Does a paper out

error occur after the

paper is ejected?

END

Is CN4 connected

 

Replace the oil pad on the

properly?

 

NO

 

carriage unit. Clean and

NOYES Is the problem

Remove the substance

YES

Does the

YES

TOP sensor work

 

 

 

properly?

 

lubricate the CR shaft.

YES

solved?

blocking the TOP sensor.

NO

Is foreign

material jammed

NO

 

Are CN5 and

NO

 

 

 

 

Connect CN4.

END

 

 

 

 

 

 

 

 

 

 

 

 

A

END

between the front or rear PE sensor and the platen?

CN6 connected

 

properly?

 

YES

Connect CN5

 

Is the NO

Replace the

problem

TOP sensor.

solved?

 

YES

and CN6.

Do the

 

 

 

NO

 

 

 

 

 

YES

 

Is the resistance of

 

NO

 

 

 

 

Is the problem

the CR motor correct?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

solved?

 

 

 

 

 

 

 

See Table 3-3.

 

 

 

 

 

 

 

 

 

 

 

 

END

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

Replace the

Does the HP sensor

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

CR motor.

work correctly?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Table 3-2.

 

 

 

Replace the

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HP sensor.

 

 

 

 

 

 

 

 

Is the problem

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

solved?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

Is the problem

 

 

YES

 

 

Replace the main

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

solved?

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

END

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

END

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 3-3. Flowchart 1

YES

 

END

NO

Is the

 

 

problem

 

 

solved?

 

Replace the

YES

 

 

 

main board.

 

Remove the foreign material.

Is the

NO

problem

 

solved?

 

 

 

 

 

 

 

YES

 

 

 

 

front and rear

YES

NO Is the

 

PE sensors work

 

problem

correctly?

 

solved?

NO

 

YES

 

 

Replace the defective

END

 

PE sensor.

 

 

END

END

Is the

NO

problem

 

solved?

 

YES

 

END

Replace the main

 

board.

Figure 3-4. Flowchart 2-1

3-5

Image 35
Contents 659,&0$18$ FCC Compliance Statement For American Users Trademarks Precautions Preface Table of Contents Page Page Product Description Character Printable Printing Speed cps SpecificationsPrinting Specifications Print Speed and Printable ColumnsVertical Adjacent Dot Density dpi ResolutionPrinting Mode Printable AreaEnvelopes Continuous PaperRoll Paper PostcardsFront Entry Rear Entry Minimum Maximum Paper Feed SpecificationsPaper Specifications Minimum Maximum Front Entry Rear Entry Bottom Entry Min Max Front Entry Bottom Entry Minimum Maximum Interface SpecificationsSoftware Specifications Reliability Electrical SpecificationsPhysical Specifications Environmental ConditionsOperation LEDs Color Description LEDsButton Function Lever Position Description Error Beep PatternPaper Release Lever Positions BeeperPrinting a Self Test Turning on the Double-strike ModeSpecial Functions Paper Thickness Lever PositionsSetting Options Using the Bidirectional Adjustment ModeChanging Default Settings Consumables Consumables and OptionsPrinting a Hex Dump Clearing the EepromOperating Principles Printer Mechanism OverviewOutput Voltage Applications Power Supply CircuitPower Supply Circuit Operation Board Input Voltage Fuse F1 RatingControl Circuit Operation Control CircuitCPU IC2 Component Functions+$375 Print Head Troubleshooting InformationSensor Test Points SensorsMotors Error ConditionsSymptom Problem Description Flowchart Unit Level TroubleshootingFlowchart Abnormal Paper Feeding Abnormal Power Operation Problem Cause Checkpoint Solution Repairing the Power Supply BoardWaveform Problem Cause Checkpoint Solution Repairing the Main Board Assembly15. Waveform Repairing the Printer Mechanism Repairing the Printer MechanismFFC TOP Troubleshooting Disassembly and Assembly Tool PrecautionsDescription Specification ToolsAbbreviation Part Name Specifications for ScrewsCategory Item to Question to Answer Checkmark Service Check After RepairWhenever you repair the printer, wipe Disassembly and AssemblyRear tractor tab 1 Preparing to Disassemble the PrinterRemoving the Panel Board Assembly Removing the Panel Board AssemblyRemoving the Print Head Connecting the Print Head FFCsRemoving the HP Sensor Removing the PW Sensor AssemblyRemoving the Ribbon Mask 10. Installing the PW Sensor Assembly13. Removing the Upper Housing Assembly Removing the Upper Housing Assembly15. Removing the Platen Assembly Removing the Platen AssemblyRemoving the Platen Gear Removing the Case Open Sensor AssemblyRemoving the Printer Mechanism 18. Removing the Case Open Sensor AssemblyCN9 Connector Pins21. Removing the CR Motor Assembly Removing the CR Motor Assembly22. Removing the PF Motor Removing the PF Motor Assembly23. Removing the PG Sensor Assembly Removing the PG Sensor AssemblyRemoving the Right Frame Assembly Removing the Right Sub Frame Assembly$-867017 Disassembling the Right Frame Assembly27. Engaging the Right Frame Assembly Gears 1 29. Engaging the Tractor Clutch Cam Removing the Left Frame Assembly30. Removing the Left Frame Assembly Removing the Ribbon Drive RD AssemblyTightening torque for the two CBS screws Removing the CR Assembly34. Inserting the Timing Belt 36. Installing the Rear CR Guide Shaft Removing the Rear PE Sensor Assembly38. Removing the Front PE Sensor Assembly 39. Removing the Upper Shield Plate and Upper I/F 41. Removing the Power Supply Board Assembly Removing the Power Supply Board AssemblyAdjustments Adjustment Tools Adjustment OverviewRequired Adjustments Platen Gap/Parallelism Adjustment Adjusting and Resetting the PrinterSetting the PG Adjustment Lever Adjusting the Parallelism of the Carriage Guide Shaft Bidirectional Print Alignment Bi-d AdjustmentDestination Setting Performing the Bi-d Adjustment Using the Settings DisketteBi-d Adjustment Menu Performing the Bi-d Adjustment from the Control Panel11. Pitch Lights Factory SettingsTPE level. Check that the reset value is FF TPE Level Reset17. Main Menu Adjustments Maintenance Name Quantity Availability Part Number Preventive Maintenance LubricationRef. No Lubrication Points Quantity Lubricant MaintenanceLubrication Points 1 Appendix Signal Name Function Connector SummaryBoard Connector Function Pins Pin Signal Name Function Table A-8. Connector Pin Assignments − CN9 Table A-13. Connector Pin Assignments − CN14 Figure A-3. C244 Main Board Component Layout Diagram 2 Circuit Board Component Layout DiagramsFigure 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