Specifications

PREFACE
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON LQ-2080. The
instructions and procedures included herein are intended for the experienced repair technicians, and attention should be
g
iven to the precautions on
the precedin
g
pa
g
e. The chapters are or
g
anized 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 product.
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the
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-approved
lubricants and adhesives required for servicing the product.
APPENDIX
Provides the following additional information for reference:
• EEPROM Address Map
• Connector Pin Assignments
• C273 Main Board Component Layout
• C273 Main Board Circuit Diagram