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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!

Melina Monita

2024-07-09 00:01:25

This is like Magic!! I decided to leave a positive review because it saved me so much time and heartache. I needed to finish a lastminute order and of course that's when my printer decided that my ink pad was full. I was panicking cuz I only had a couple hours to complete the order. I took a deep breath read and followed all the instructions from here and within five minutes my printer was printing again!! Thank you!! Will definitely come back when/if it happens again!

Brent Buttorff	2024-03-02 20:36:42
I was skeptical, but I paid for a key and the WIC Reset Utility program worked PERFECTLY on my Epson ET-2400. Thank you!

vitaliy nikiforov	2007-04-18 05:43:16
Just wanted to say THANK YOU for info that I found on your website in this manual I thought my printer was dead in the water and your info bailed me out. You saved me a trip to a repair shop and no telling how much $$!

jahidul islam	2016-10-18 16:19:38
It WORKED !!! it was so simple, i just pay for key, and it resolved my problem in few seconds After this reset, I checked my counters and they read 0.00% full. PERFECT !!! You\'ve gained many respect points in my view and I expect repeat business with you.

hamid badi	2009-09-30 15:12:30
J'ai l'honneur de venir respectueusement demander à votre haute bien vaillance de bien vouloir d’accepter mes sentiments les plus distinguées.

MIZIKE G.

2025-11-14 16:23:29

11-14-2025 - I JUST USED THE DOWNLOADED UTLITY PROGRAM AND BOUGHT THEIR $9.99 CODE FOR PURPOSE OF RESETTING THE INK WASTE COUNTER BULLSHIT ( EPSON ET-4550 SEVERAL YEARS OLD ) WHICH I NEVER HEARD OF UNTIL LAST WEEK WHEN THE PRINTER WOULDN'T DO ANYTHING BUT TELL ME TO CONTACT EPSON. LOL- NOPE - CHAT GTP GAVE ME THE INFO FROM HERE, USED IT AND WORKED - TOOK ABOUT 5 MINUTES - ( I HOWEVER - DIDNT ACTUALLY CLEAN OR EMPTY THE INK WASTE OR WHATEVER - IM HOPING FOR THE BEST, ASSUMING ITS OLD ENOUGH THAT IT HAS DRYED ON ITS OWN. - THIS PART ISNT RECCOMENDED TO MY UNDERSTANDING - BUT ILL FIND OUT I SUPPOSE) BUT LONG STORY SHORT - EAST TO USE DOWNLOADED UTILITY, AND RESET KEY FOR 10 BUCKS WORKED - ABOUT 5 MINUTES OR LESS PROCESS. REAL SHIT - MIZIKE

Jack Leibel	2015-04-17 21:31:08
I just downloaded and tried your WIC Reset Utility. and then made the purchase of the KEY. It worked perfectly. Do I need to get new pads? Install a waste bottle? or do nothing for 4 more years?

Kork Little	2021-01-02 17:18:01
You made my day, it is now working. Thanks for your help. Enjoy your day!