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This Epson RX520, RX530, CX7700, CX7800, PMA750 Service Manual abd Parts List 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:
• Electrical circuit boards schematics
• Parts List

FORMAT: High resolution PDF document!

Zip archive: 13 684 kB PdF document 15 308 kB

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Our customers reviews:

Mary Jon Mary Jon	2009-08-07 14:55:10
thanks for your help, i have got the manual now, its is a great service you offer

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

reza reza	2007-10-16 07:09:47
i am reza im luck have program printer epson cx3900 thans

Kullervo Hirvonen	2017-12-20 12:54:32
Epson XP-750 alive again. Thank you! Installing and operating were simple. Christmas Greetings 2017 from Finland, 20.12.2017.

rozanna combs	2018-08-02 10:29:52
The 5 star tool. Very useful & helpful. Thanks team for developing this tool.

Paul Robinson	2010-10-21 01:01:22
Fantastic, does exactly as it says, brought my r285 back from the dead, will recommend to anyone.thanks

David Millachip	2019-10-13 22:41:01
Awesome, thank you! Used this for my Epson WF-2630 printer.

Lloyd Robinson	2016-01-21 23:35:21
Could you please add reset for printers for the last Canon cartridges like PG545 and CL546, please? We have about 100 printers with full waste ink counter. Thank you.

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.