Epson Stylus Color 440 / 640 / 740. Service Manual
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of Epson Stylus Color 440 / 640 / 740. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the precedingpage. The chapters are organized as follows:
1. Product Descriptions.
Provides a general overview and specifications of the Epson Stylus Color 440 / 640 / 740.
2. Operating Principles.
Describes the theory of electrical and mechanical operations of the product.
Provides the step-by-step procedures for troubleshooting.
4. Disassembly and Assembly.
Describes the step-by-step procedures for disassembling and assembling the Epson Stylus Color 440 / 640 / 740.
Provides Epson-approved methods for adjustment.
Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the Epson Stylus Color 440 / 640 / 740.
Provides the following additional information for reference:
• Connector pin assignments
• Electric circuit boards components layout
• Exploded diagram
• Electrical circuit boards schematics