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This Service Manual and Parts Catalog 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: 5 659 kB

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

Peter Olsen	2022-06-09 22:08:29
Worked perfectly on my Epson XP-950. The "Trial" option made it possible for me to verify that the software works as expected before I purchased a key. Having just purchased a key, I successfully reset the waste counters to zero. I also bought the new wastepads from OctoInk.co.uk. Great software which saved me a lot of money, thank you.

SHERZAD AZIZ	2012-02-04 21:59:04
I want to get the key to reset Epson printers Is it possible to get the key for one month free

NORMA ZUBIA	2023-01-02 05:33:28
Thank you very,very much for resetting Waste-Counter to Zero (checked ok) and Key-Selling. I´m so glad, that my Printer is not to give up. It must not to go to Müll-Entsorgung! I´m so glad!

Benjamin Di Terlizzi	2019-06-20 21:07:04
Fixed an Epson BX625FWD and saved it from going in the dump! Thanks.

Thomas Thorley	2005-11-30 12:45:29
If you've replaced the heads, or removed/re-installed them, you need this! Also does a power nozzle clean - worth the money just for that. Note it needs DOS or a DOS box in Windows.

prakashmm gowda	2013-04-27 09:26:02
Great utility i reseted my epson me office 620f within 5 minits in bangalore great utility

Francesc Vilches	2025-10-11 11:25:40
I just bought five keys and used the first one. It magically worked. Epson XP-422 is back to life. I also took advantage to clean the waste box. This is also important :-)