Epson 2080 Service Manual - Page 4

Preface - lq manual

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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 given to the precautions on 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 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

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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 given to the precautions on
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 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