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This Epson Service Manual 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

FORMAT: High resolution PDF document!
Zip archive: 17 300 kB

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

jam epson	2008-07-15 15:29:21
I need it

MANMOHAN MEENA	2015-05-29 11:20:48
I bought a key (25key) Use everything correctly

Bob Heinrichs	2011-02-01 06:09:58
Thank-you for helping with resetting waste ink counter. Great service Had printer running in 2 minutes. Thanks again for saving me money and time. Bob

Giles Haig	2025-03-31 23:53:19
I love this service. Have purchased a WIC reset key maybe 10 times in last 7 years. Has always worked very well and saved ny printer each time. Happy UK customer.

Joanne Phanco

2024-10-23 16:30:21

Still using an old Epson ET-2550, got a warning that there was a problem with one of the ink pads then within a few days got an error code E-11 which stopped the printer working completely (ink waste collector full and needed a counter reset). Searched for issue and Bootstrappin' on Youtube talked through a fix using WIC Utility. The hardest part of the whole process for me was getting the ink waste collector off the printer and washing out the pads. The WIC Utility was really easy to install and use and has fixed the problem straight away. Wouldn't hesitate to recommend.

FERNANDO ALVES	2008-01-08 10:31:22
Epson C91, C92 Service Adjustment Program eu precisooooooooooooooooooooooooooooooooo