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This Epson RX620, RX630, PMA870 Service Manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer.

This manual consists of 6 chapters and Appendix.

CHAPTER 1. PRODUCT DESCRIPTIONS
Provides a general overview and specifications of the product.

CHAPTER 2. OPERATION PRINCIPLES
Describes the theory of electrical and mechanical operations of the product.

CHAPTER 3. TROUBLESHOOTING
Describes the step-by-step procedures for the troubleshooting.

CHAPTER 4. DISASSEMBLY / ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the product.

CHAPTER 5. ADJUSTMENT
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
• Electrical circuit boards schematics
• Exploded diagram & Parts List

FORMAT: High resolution PDF document!

Zip archive: PdF document 8 310 kB

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We are in business since 2002 and do our best to give our customers perfect service!

Demon1984 Demon	2007-06-19 22:06:48
worked fine!

Faith Hutson	2025-07-19 19:22:35
The process of resetting my printer after replacing the ink pad was so incredibly easy. The instructions were very clear and my printer reset immediately

supri adie	2004-11-23 18:28:32
looking for information about manual service and maintenance of lq 1170 dot matrix printer

Craig Phillips	2015-06-06 12:14:21
its great it saves a lot of money to be spent in vain i tried from various service centres, but nobody guided me properly by using ur software and reset key, it takes hardly 5 minutes to complete all the procedure thanks a lot

benoit lenoble	2023-09-01 15:24:46
Merci pour votre service. $10 contre le prix d'une imprimante par an, heureusement qu'il existe des solutions comme la vôtre pour l'environnement et nos portes-monnaies.

cyril beckley	2020-11-25 14:07:48
Fine! Reset worked!