Epson TM-FX2180 manual Preface

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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

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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 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 Physical Specifications Electrical SpecificationsEnvironmental Conditions ReliabilityOperation LEDs Color Description LEDsButton Function Paper Release Lever Positions Error Beep PatternBeeper Lever Position DescriptionSpecial Functions Turning on the Double-strike ModePaper Thickness Lever Positions Printing a Self TestSetting Options Using the Bidirectional Adjustment ModeChanging Default Settings 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 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