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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!

Antony Gibbons	2011-01-19 22:50:46
Usual 'Service parts inside printer' etc. message on my Epson RX640. None of the freeware solutions worked, so I was a bit dubious about this. I have to say it worked a treat!! No problems at all. It reset the waste ink counter, I cleaned the waste ink pads and so for £6.32 I've got a new printer. :-) Recommended.

Glenna Quindao	2025-08-26 18:57:51
Bought a reset key and it did work well. You just gotta watch and follow carefully their tutorial in YT.

richard riggs	2011-12-30 07:57:49
I bought a demonstration Epson Artisan 800 from Office Depot. The waste ink pads were "used up" after just a little use. Your reset software and the manuals for this series of printers. really saved the day. You provide a valuable service to Epson users. Thanks

Kristal Serna	2024-09-16 20:30:45
It's really easy to use and has saved me tons of money over buying new printers. I've reset my current printers several times and have used them for over 5 years thanks to these reset keys.

borges bicolor	2007-11-19 07:40:28
Give me ASAP!

vitaliy nikiforov	2007-04-18 05:43:16
Just wanted to say THANK YOU for info that I found on your website in this manual I thought my printer was dead in the water and your info bailed me out. You saved me a trip to a repair shop and no telling how much $$!

Anonymous	2019-05-15 04:23:32
i couldn't print my work, but i found wic reset and keep my job, thanks from Mexico city.