Epson LQ-2180 Service Manual - PDF DOWNLOAD

Epson LQ-2180 Service Manual - PDF DOWNLOAD

FILE DETAILS:

Epson LQ-2180 Service Manual - PDF DOWNLOAD

Language :English
Pages :56
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Epson LQ-2180 Service Manual - PDF DOWNLOAD

PREFACE
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair
instructions and procedures included herein are intended for the experienced repair technicians, and attention
the preceding page. The chapters are organized as follows:
CHAPTER 1. PRODUCT DESCRIPTIONS
Provides a general overview and specifications of the product.
CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of electrical and mechanical operations of the produc
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling th
product.
CHAPTER 4. ADJUSTMENTS
Provides Epson-approved methods for adjustment.
CHAPTER 5. TROUBLESHOOTING
Provides the step-by-step procedures for troubleshooting.
CHAPTER 6. MAINTENANCE
Provides preventive maintenance procedures and the lists of Epson-approv
lubricants and adhesives required for servicing the product.
APPENDIX
Provides the following additional information for reference:
• EEPROM Address Map
• Connector Pin Assignments
• C272 Main Board Component Layout
• C272 Main Board Circuit Diagram

TABLE OF CONTENTS:

Epson LQ-2180 Service Manual - PDF DOWNLOAD

Product Description
Specifications 8
Features 8
Accessories 8
Printing Specifications 9
Paper Handling 9
Paper Specifications 11
Electrical Specifications 15
Reliability 15
Safety Approvals 15
CE Marking 15
Firmware Specifications 16
Control Codes and Fonts 16
Interface Specifications 18
Parallel Interface (Forward Channel) 18
Parallel Interface (Reverse Channel) 18
Operation Instruction 19
Control Panel 19
Bi-directional Adjustment Function 19
EEPROM Initialization 20
Main Components 21
C272MAIN Board 22
Printer Mechanism 23
Operating Principles
Control Circuit 25
Overview of the Control Circuit Operation 25
System Reset Circuit 26
Printhead Driver Circuit 27
CR Motor Driver Circuit 28
PF Motor Driver Circuit 28
EEPROM Control Circuit 29
Sensor Circuit 29
Disassembly and Assembly
Adjustment
Overview 33
Pre-operation for the Adjustment Program 33
Bi-D Adjustment 35
TPE Level Reset 36
Writing the User-characteristic Data 37
Troubleshooting
Overview 40
Troubleshooting Information 40
Printhead 40
Sensors 40
Motors 40
Error Codes with Indicators and Buzzer 40
Unit Level Troubleshooting 41
Repairing the C165 PSB/PSE Board 41
Repairing the C272MAIN Board 41
Repairing the Printer Mechanism 43
Maintenance
Appendix
EEPROM Address Map 47
Connector Summary 51
Component Layout 53
Circuit Diagram 55

S.M 26/2/2025