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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!

Michael Chelinsky	2015-09-17 18:57:24
This was awesome. I was skeptical at first, but the program worked beautifully. Thank you for helping me, where Epson couldn\'t. I truly appreciate it! Great investment, happy camper.

alejandro carrillo	2009-05-08 21:22:35
me pueden ayudar con el reset de CX7700, CX7800 Service

nando pires	2010-01-19 00:40:28
Good site. Good program!

Jeff Carbone

2019-05-01 09:36:34

I love printing hard copies of material to review. I bought an Epson EcoTank 2650 for the single purpose of never having to worry about how much I have to print. When I found out about the ink pad and how it basically “fills up” and prevents you from printing, I was pretty pissed off. I called a service center in my state in the US and they wanted $110 to replace the ink pad and reset it. I searched hard for a solution and when I found this I was really sure this was a scam. I tried it from one of your affiliates (octoinkjets) and did the trial to reset it to 90% and it worked. Thank god you guys have this tool. I bought a key for $10 and was done with it. Watched a video on how to clean the ink pads and it was super easy. Now I have a new printer basically. I can’t believe Epson gets away with this crap. You guys rock! It really took a leap of faith to try this.

ion barboi	2012-09-13 00:11:51
John I want to Thank You for all your help. I own and run a T-Shirt printing company, nothing big but it helps and I use the printer to print out the film that I need to silk screen them, again Thank You.

david simpson	2012-10-29 03:26:46
Brilliant stuff,very informative,well illustrated,althought i have an electronice background anyone could follow this very easily,a lot of thought & effort gone into this,welldone

Howard Lyttle	2013-09-01 00:45:42
I have an epson artisan 710 and using the wic reset couldnt have been easier. I received the reset key almost instantaniously via email and even an idiot could have been able to use it. Excellent service and excellent utility. I would well recommend as it saves an expensive trip to the epson service centre. Well done. Howard Lyttle, UK