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This Epson R320, PMD770 Service Manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer.

This manual consists of 4 chapters and Appendix.

CHAPTER 1. TROUBLESHOOTING
Describes the step-by-step procedures for the troubleshooting.

CHAPTER 2. DISASSEMBLY / ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the product.

CHAPTER 3. ADJUSTMENT
Provides Epson-approved methods for adjustment.

CHAPTER 4. 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:
• Electric circuits
• Exploded diagram

FORMAT: High resolution PDF document!

Zip archive: PdF document 12 023 kB

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

Rafal Monka	2010-08-27 21:07:53
Thanks ,Thanks ,Thanks Everything is OK :) .You are the best Thanks again

Alberto Micker	2020-01-07 06:30:15
I bought the chipless key code and it worked as it should with the CIS...... Thank you

arbin zamora	2022-12-30 22:58:51
Just wanted to say thank you for a most helpful product which does exactly what it says. Followed all instructions, replaced waste ink pads and we have a working printer again. For very little outlay. Congratulations on running an excellent business. Have a good day,

Aggelos gkikas	2012-09-05 02:26:48
Bought a key for a epson rx425 although they delayed to send me the key to my email,they finally send and i saved my printer,the ink cartridges i had bought, and a lot of money i would have wasted to buy a new one.Old printer working as brand new!THANK YOU ALL!

George Chege	2016-02-16 20:03:14
The key you provided worked exactly as advertised and I was able to unlock our PP-100 and resume use. Thank you so much for your response and excellent product!

Jean-Louis Boulin	2020-08-03 18:51:10
Good job THX ! My Epson ET-2550 working again Best regards