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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!

christopher robinson	2013-03-05 03:30:54
I purchased one of your keys and ran the software on the Epson Artisan 1430. It worked great, I now have a working printer. You spared me the expense of having to replace my printer. I can\\\'t thank you enough for your service. I have several other printers that at some point will be in need of your software as well. When the time comes I will call on your services again. Thank you so much!

Ken Friar	2011-04-26 12:20:10
Fantastic, worked first time, well done guys a really excellent job. Ken friar

Stan Thunder	2011-11-30 01:08:34
Always concerned that these things don't work but this time - really happy to say the long distance (USA-UK) fix worked perfectly. Thanks and kind regards

jim stewart	2007-10-19 17:28:10
I spent 4 hours trying to get my r340 to work then l I used your program to reset the protection counter. I have just printed 5 pages and 4 disks. Slightly cryptic instructions but it worked perfectly. it took me all of 5 minutes.

Tobias Pagel	2022-12-10 16:20:09
After an initial trial and after seeing that it worked, I bought a reset key. Works great! 10/10

brad bynum	2019-05-28 09:12:10
This thing works. I am very happy my printer is working again.

Zoran Zdravkovic	2012-10-17 18:45:42
Ja sam prezadovoljan, kupoprodaja je uspesno zavrsena a stampac Epson Stylus Photo P50 je odmah po resetovanju proradio.Ovo prvi put radim ali svakom preporucujem saradnju sa ovom firmom, zaista su korektni.