Epson LQ-300 Printer
Service Manual

$8.99
Epson LQ-300 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-300. 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: 2 500 kB

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

  saad ali 2010-05-29 19:57:11  
  install incoder strip and printhead carrage and timing belt
  Debora Debora 2015-08-13 21:12:25  
  Amazed that it worked.
It took a few runs on a printer that had been clogged for over a year and finally, perfect nozzle check. Still won\'t quite unclog another machine, but well worth $30.
  TARIQUL ISLAM 2007-12-06 07:48:22  
  HOW WILL I GET THIS (R230) SERVICE MANUAL COMPLITELY FREE
  Yolanda Barnett 2023-07-06 19:13:13  
  What a fantastic service thanks so much just bought and reset my printer counter Thanks Again
  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!
  rozanna combs 2018-08-02 10:29:52  
  The 5 star tool. Very useful & helpful. Thanks team for developing this tool.
  Brian Bloomer 2011-04-30 05:19:44  
  Success! I installed a OctInkjet waste inkpad overflow and tried their reset to no avail - they furnished your link. Your reset fixed my RX690 Epson printer within minutes . Ink started to flow into the overflow immediately (just as well it was installed). I did apattern check-all six colours perfect. Thank you Brian
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