Epson LQ-670 Printer
Service Manual

$8.99
Epson LQ-670 Printer<br> Service Manual
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This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of
the Epson LQ-670. The instructions and procedures included herein are intended for the experienced repair
technician, and attention should be given to the precautions on the preceding page.

FORMAT: High resolution PDF document!
Zip archive: 4 300 kB

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

  reza reza 2007-10-16 07:09:47  
  i am reza im luck have program printer epson cx3900 thans
  EDERLYN MCGUIGAN 2020-06-06 04:21:19  
  thank you so much my printer is now resetting very thank you so much....
  Ramin Ram 2014-05-27 21:42:06  
  Hi I have epson 9800. I need to adjustment program or resister counter for it. Ramin
  Patrick Blom Bachstein 2016-02-25 19:28:33  
  So had my Epson Pro 4900 disconnected from powersupply for about a month and a half, due to new facilities in my studio. Powered it up, printed a nozzle check, and banged my head against the wall! Only magenta and light cyan did appear, and two broken lines of photo black. Did the Windex trick 5-8 times, and at the 16. nozzlecheck, 9 colours appeared, BUT some actually has got worse, the more Windex the head had.
Preparing myself on making a stronger brew for the cleaning (a lot of Googling and reading!), I came across the Service Program. Reluctant to spill ~ 150 ml of ink, I first moved along (also, the website seemed shady, however, alot of mentions on various foras).

Today I decided \'What the heck, 30 bucks, if it doesn\'t work, I\'ll survive\', so I purchased a license, installed on a laptop (with USB connection instead of network), and chose the option to prime the left channels first - and WOW: EVERY nozzle on that side now fired, and made an (99%) perfect nozzle check. So did the other side, when finished filling the lines again.
So: 5 f*cking huge stars from me! :)
Thank you for this wonderful utility!
  Nkateko Baloyi 2025-03-06 16:41:37  
  the proess took longer than expected and was a lil bit complicated
  Axel Lainerdo 2025-12-01 18:06:47  
  Hello, I've been ripped off like thousands and millions of others, no doubt? I bought a key for Epson XP-2100 without a chip, but it's not clear what to do. I didn't receive any instructions, and the ones on your website contradict each other! I tried to update the firmware, waited a long time, and finally realised that the firmware wasn't updated! What use is the key I bought? And why am I being asked to reset the counter to zero when I want a printer without a chip? What is the wicreset.exe software for? It doesn't do anything, not even generate a report to find out the firmware number... Licensed to : ALEX ANDREOLI
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