Epson TM-FX2180 manual Motors, Error Conditions

Page 33

EPSON FX-2180 Service Manual

Chapter 3 Troubleshooting

 

 

3.2.3 Motors

 

Table 3-3. Motor Test Points

 

 

 

PF Motor

 

 

Motor connector

 

CN10

Common pin number

 

Test pin numbers

 

1, 2, 3, and 4

Test method

 

Turn off the printer and disconnect the PF

 

 

motor from the control board. Set the meter to

 

 

ohms, and place one lead on pin 1 and the

 

 

other lead on pin 3. Then place one lead on

 

 

pin 2 and the other lead on pin 4.

Meter reading

 

16.1 Ω ± 10% per phase at 77° F

 

 

(25° C)

CR Motor

 

 

Motor connector

 

CN11

Common pin number

 

5

Test pin numbers

 

1, 2, 3, and 4

Test method

 

Turn off the printer and disconnect the CR

 

 

motor from the control board. Set the meter to

 

 

ohms, and place one lead on pin 5 and the

 

 

other lead on each of the four test pins.

Meter reading

 

2.7 Ω ± 10% per phase at 77° F (25° C)

3.2.4Error Conditions

Table 3-4. Error Conditions

Error

 

 

Lights

 

 

Beep

 

Pause

Paper

Tear

Pitch

Font

Pattern

 

 

Out

Off/Bin

 

 

 

 

 

 

 

 

 

 

Paper out

On

On

× 3

Paper jam

On

Flashes

× 3

(The paper is

 

 

 

 

 

 

not ejected

 

 

 

 

 

 

completely.)

 

 

 

 

 

 

Print head

Flashes

overheated

 

 

 

 

 

 

Cover open

On

× 3

Fatal error

Flashes

Flashes

Flashes

Flashes

Flashes

× 5

Indicates the beeper sounds for approximately 100 ms with an interval

of approximately 100 ms.

Indicates the beeper sounds for approximately 500 ms with an interval of approximately 100 ms.

3-3

Image 33
Contents 659,&0$18$ FCC Compliance Statement For American Users Trademarks Precautions Preface Table of Contents Page Page Product Description Printing Specifications SpecificationsPrint Speed and Printable Columns Character Printable Printing Speed cpsPrinting Mode ResolutionPrintable Area Vertical Adjacent Dot Density dpiEnvelopes Continuous PaperRoll Paper PostcardsPaper 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 Physical Specifications Electrical SpecificationsEnvironmental Conditions ReliabilityOperation LEDs Button FunctionLEDs Color Description Paper Release Lever Positions Error Beep PatternBeeper Lever Position DescriptionSpecial Functions Turning on the Double-strike ModePaper Thickness Lever Positions Printing a Self TestUsing the Bidirectional Adjustment Mode Changing Default SettingsSetting Options Printing a Hex Dump Consumables and OptionsClearing the Eeprom ConsumablesOperating Principles Printer Mechanism OverviewPower Supply Circuit Operation Power Supply CircuitBoard Input Voltage Fuse F1 Rating Output Voltage ApplicationsControl Circuit Operation Control CircuitCPU IC2 Component Functions+$375 Print Head Troubleshooting InformationSensor Test Points SensorsMotors Error ConditionsSymptom Problem Description Flowchart Unit Level TroubleshootingFlowchart Abnormal Paper Feeding Abnormal Power Operation Problem Cause Checkpoint Solution Repairing the Power Supply BoardWaveform Problem Cause Checkpoint Solution Repairing the Main Board Assembly15. Waveform Repairing the Printer Mechanism Repairing the Printer MechanismFFC TOP Troubleshooting Disassembly and Assembly Description Specification PrecautionsTools ToolAbbreviation Part Name Specifications for ScrewsCategory Item to Question to Answer Checkmark Service Check After RepairWhenever you repair the printer, wipe Disassembly and AssemblyRear tractor tab 1 Preparing to Disassemble the PrinterRemoving the Panel Board Assembly Removing the Panel Board AssemblyRemoving the Print Head Connecting the Print Head FFCsRemoving the HP Sensor Removing the PW Sensor AssemblyRemoving the Ribbon Mask 10. Installing the PW Sensor Assembly13. Removing the Upper Housing Assembly Removing the Upper Housing Assembly15. Removing the Platen Assembly Removing the Platen AssemblyRemoving the Platen Gear Removing the Case Open Sensor AssemblyRemoving the Printer Mechanism 18. Removing the Case Open Sensor AssemblyCN9 Connector Pins21. Removing the CR Motor Assembly Removing the CR Motor Assembly22. Removing the PF Motor Removing the PF Motor Assembly23. Removing the PG Sensor Assembly Removing the PG Sensor AssemblyRemoving the Right Frame Assembly Removing the Right Sub Frame Assembly$-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 Overview Required AdjustmentsAdjustment Tools 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 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 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