Service Manual for 9-pin Serial Impact Dot Matrix Printer Epson LX 300+
This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of LX-300+. The instructions and procedures included in here are intended for the experienced repair technicians, and close attention should be given to the precautions on the preceding page.
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. 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. ADJUSTMENT
Provides adjusting procedures.
CHAPTER 6. MAINTENANCE
Provides preventive maintenance procedures.
APPENDIX
Provides the following addition information for reference:
- Connector Summary
- Parts List
- Exploded Diagrams
- Component Layout
- Circuit Schematics |
