Epson TM-FX2180 manual Connector Summary, Board Connector Function Pins, Signal Name Function

Page 90

EPSON FX-2180 Service Manual

Appendix

 

 

A.1 Connector Summary

Table A-1. Connector Summary

Board

 

Connector

 

Function

 

Pins

The figure below shows how the primary components of the printer are connected. Table A-1 summarizes the functions and sizes of the

Main

 

CN1

Parallel interface

36

 

Board

CN2

Type B interface

36

 

connectors.

printer mechanism

PF motor

CR motor

PG sensor

release lever position sensor

rear PE sensor

front PE sensor

HP sensor

PW sensor

print head

cover open sensor

CN2

PNL board assembly

CN1

C166 PSB/PSE

C244 PSH board assembly

Assembly

CN3

Power supply board

10

 

 

CN4

HP sensor

3

 

 

CN5

Rear PE sensor

3

 

 

CN6

Front PE sensor

2

 

 

CN7

PW sensor

4

 

 

CN8

Print head

18

 

 

CN9

Print head

16

 

 

CN10

PF motor

4

 

 

CN11

CR motor

5

 

 

CN12

Release lever position sensor

4

 

 

CN13

PG sensor

4

 

 

CN14

CSF bin 1

10

 

 

CN15

PNL board

22

 

 

 

 

Table A-2. Connector Pin Assignments CN3

 

 

 

 

 

 

 

 

 

 

 

Pin

 

I/O

 

Signal Name

 

Function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

GP

 

 

 

2

 

 

GP

 

 

 

3

 

I

 

+35V

 

+35 VDC line

 

 

4

 

I

 

+35V

 

+35 VDC line

 

 

5

 

 

GND

 

Signal ground

 

CN15

CN8

CN7

CN4

CN6

CN5

CN12

CN13

CN11

CN10

CN3

host

computer

 

CN9

 

 

 

 

 

 

 

 

 

 

CSF

CN1

parallel I/F

bin 1

 

 

CN14

C244 MAIN board assembly

CN2

optional I/F

Figure A-1. Cable Connections

 

6

GND

Signal ground

 

 

7

I

+5V

+5 VDC line

 

 

8

I

+5V

+5 VDC line

 

 

9

I

PWDN

Power down detection signal

 

 

10

O

PSC

Power switch on/off signal

 

A-1

Image 90
Contents 659,&0$18$ FCC Compliance Statement For American Users Trademarks Precautions Preface Table of Contents Page Page Product Description Print Speed and Printable Columns SpecificationsPrinting Specifications Character Printable Printing Speed cpsPrintable Area ResolutionPrinting Mode 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 Environmental Conditions Electrical SpecificationsPhysical Specifications ReliabilityOperation LEDs Button FunctionLEDs Color Description Beeper Error Beep PatternPaper Release Lever Positions Lever Position DescriptionPaper Thickness Lever Positions Turning on the Double-strike ModeSpecial Functions Printing a Self TestUsing the Bidirectional Adjustment Mode Changing Default SettingsSetting Options Clearing the Eeprom Consumables and OptionsPrinting a Hex Dump ConsumablesOperating Principles Overview Printer MechanismBoard Input Voltage Fuse F1 Rating Power Supply CircuitPower Supply Circuit Operation 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 Tools PrecautionsDescription Specification 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