Preface | Epson TM-FX2180 manual

EPSON FX-2180 Service Manual

PREFACE

This manual describes the basic functions, theory of electrical and mechanical operations, and maintenance and repair procedures of the EPSON

FX-2180. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. The chapters are organized as follows:

Chapter 1. Product Description

Provides specifications and a general overview of the printer.

Chapter 2. Operating Principles

Describes the electrical and mechanical operation of the printer.

Chapter 3. Troubleshooting

Provides step-by-step troubleshooting procedures.

Chapter 4. Disassembly and Assembly

Provides step-by-step instructions on disassembling and assembling the printer.

Chapter 5. Adjustments

Provides Epson-approved adjustment methods.

Chapter 6. Maintenance

Provides preventive maintenance procedures and lists the Epson-approved lubricants and adhesives required for servicing the printer.

Appendix

Provides the following additional reference information:

•Connector pin assignments

•Circuit board components layouts

•Circuit board schematics

•Exploded diagrams

4

Image 5

Epson TM-FX2180 manual Preface

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 cps Printing Mode ResolutionPrintable Area Vertical Adjacent Dot Density dpi Envelopes Continuous Paper Roll Paper Postcards Front 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 Physical Specifications Electrical SpecificationsEnvironmental Conditions Reliability Operation LEDs Color Description LEDsButton Function Paper Release Lever Positions Error Beep PatternBeeper Lever Position Description Special Functions Turning on the Double-strike ModePaper Thickness Lever Positions Printing a Self Test Setting Options Using the Bidirectional Adjustment ModeChanging Default Settings Printing a Hex Dump Consumables and OptionsClearing the Eeprom Consumables Operating Principles Printer Mechanism Overview Power Supply Circuit Operation Power Supply CircuitBoard Input Voltage Fuse F1 Rating Output Voltage Applications Control Circuit Operation Control Circuit CPU IC2 Component Functions +$375 Print Head Troubleshooting Information Sensor Test Points Sensors Motors Error Conditions Symptom Problem Description Flowchart Unit Level Troubleshooting Flowchart Abnormal Paper Feeding Abnormal Power Operation Problem Cause Checkpoint Solution Repairing the Power Supply Board Waveform Problem Cause Checkpoint Solution Repairing the Main Board Assembly 15. Waveform Repairing the Printer Mechanism Repairing the Printer Mechanism FFC TOP Troubleshooting Disassembly and Assembly Description Specification PrecautionsTools Tool Abbreviation Part Name Specifications for Screws Category Item to Question to Answer Checkmark Service Check After Repair Whenever you repair the printer, wipe Disassembly and Assembly Rear tractor tab 1 Preparing to Disassemble the Printer Removing the Panel Board Assembly Removing the Panel Board Assembly Removing the Print Head Connecting the Print Head FFCs Removing the HP Sensor Removing the PW Sensor Assembly Removing the Ribbon Mask 10. Installing the PW Sensor Assembly 13. Removing the Upper Housing Assembly Removing the Upper Housing Assembly 15. Removing the Platen Assembly Removing the Platen Assembly Removing the Platen Gear Removing the Case Open Sensor Assembly Removing the Printer Mechanism 18. Removing the Case Open Sensor Assembly CN9 Connector Pins 21. Removing the CR Motor Assembly Removing the CR Motor Assembly 22. Removing the PF Motor Removing the PF Motor Assembly 23. Removing the PG Sensor Assembly Removing the PG Sensor Assembly Removing the Right Frame Assembly Removing the Right Sub Frame Assembly $-867017 Disassembling the Right Frame Assembly 27. Engaging the Right Frame Assembly Gears 1 29. Engaging the Tractor Clutch Cam Removing the Left Frame Assembly 30. Removing the Left Frame Assembly Removing the Ribbon Drive RD Assembly Tightening torque for the two CBS screws Removing the CR Assembly 34. Inserting the Timing Belt 36. Installing the Rear CR Guide Shaft Removing the Rear PE Sensor Assembly 38. 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 Assembly Adjustments Adjustment Tools Adjustment OverviewRequired Adjustments Platen Gap/Parallelism Adjustment Adjusting and Resetting the Printer Setting the PG Adjustment Lever Adjusting the Parallelism of the Carriage Guide Shaft Bidirectional Print Alignment Bi-d Adjustment Destination Setting Performing the Bi-d Adjustment Using the Settings Diskette Bi-d Adjustment Menu Performing the Bi-d Adjustment from the Control Panel 11. Pitch Lights Factory Settings TPE level. Check that the reset value is FF TPE Level Reset 17. Main Menu Adjustments Maintenance Name Quantity Availability Part Number Preventive Maintenance Lubrication Ref. No Lubrication Points Quantity Lubricant Maintenance Lubrication 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 Diagrams Figure 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