Epson Stylus Color 640 User Manual

PREFACE
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of Stylus Color 440/640/
740. 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. TROUBLESHOOTING
Provides the step-by-step procedures for troubleshooting.
CHAPTER 4. DISASSEMBLY AND ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the product.
CHAPTER 5. ADJUSTMENTS
Provides Epson-approved methods for adjustment.
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:
• Connector pin assignments
• Electric circuit boards components layout
• Exploded diagram
• Electrical circuit boards schematics

Epson Stylus Color 640 Specifications

General

Brand	Epson
Model	Stylus Color 640
Category	Printer
Language	English