Epson TM-FX2180 manual Removing the Front PE Sensor Assembly

Page 71

EPSON FX-2180 Service Manual

Chapter 4 Disassembly and Assembly

4.2.11.11 Removing the Front PE Sensor Assembly

4.2.11.12 Removing the Main Board Assembly

1.Remove the printer cover, front and rear edge guide assemblies, front cover, paper eject assembly, and front and rear tractor units. (See section 4.2.1.)

2.Remove the panel board assembly. (See section 4.2.2.)

3.Remove the upper housing assembly. (See section 4.2.7.)

4.Remove the printer mechanism. (See section 4.2.11.)

5.Turn the printer over, and insert a standard screwdriver or other prying tool into the hole in the rear frame.

1.Remove the printer cover, front and rear edge guide assemblies, front cover, paper eject assembly, and front and rear tractor units. (See section 4.2.1.)

2.Remove the panel board assembly. (See section 4.2.2.)

3.Remove the upper housing assembly. (See section 4.2.7.)

4.Disconnect the cables from the following connectors on the main board assembly.

Table 4-7. Main Board Connectors

6.

Release the two clips while pushing up the front PE sensor with the

Connector

 

Pins

 

Connector

 

Connector

 

Pins

 

Connector

 

 

screwdriver or other prying tool. See Figure 4-38.

 

 

 

 

 

 

 

Number

 

 

 

Color

 

Number

 

 

 

Color

 

 

 

 

 

 

 

 

 

 

 

7.Disconnect the front PE sensor connector and then remove the front PE sensor assembly.

c l i p s

CN3

10

white

CN4

3

white

CN5

3

black

CN6

2

white

CN7

4

gray

CN8

18

gray

CN9

16

gray

CN10

4

white

CN11

5

white

CN12

4

white

CN13

4

black

CN15

22

white

Note:

To disconnect the cables from CN10 and CN11, pull up the connector

Ylocks.

To disconnect the cable from CN3, push down on the connector cover.

r e a r f r a m e

 

f r o n t

P E s e n s o r a s s e m b ly

Figure 4-38. Removing the Front PE Sensor Assembly

4-26

Image 71
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