HP LaserJet 2550 printer
Service Manual

$12.99
HP LaserJet 2550 printer<br> Service Manual
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HP LaserJet 2550 printer Service Manual

This manual contains the necessary information to service the HP LaserJet 2550 printer

FORMAT: High resolution PDF document!
ZIP archive: 42 120 kB

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

  Paul Jumbo 2019-04-19 18:47:57  
  I had Epson WF-2650 and it wasn't printing fully, skipping lines, even though colors were full.
I did a lot of cleaning, head cleaning, put new cartridge but no luck. I did some head cleaning using glass cleaner and syringes as shown on various youtube video.
After that, my printer didn't recognize two of the cartridges. I tried everything, cleaning contacts etc, nothing worked.

I was finally going to buy new cartridges however stores were closed today so I decided to look for chip-resetting tool but nothing good was available locally.

I came across this WIC reset utility and was really skeptical if it will work. I took the chance, bought the key, used the tool to reset firmware to chipless firmware, it was successful at the first go.
At this point, printer showed all ink levels 100%. I printed a test page and it came out perfect.
To make it even more interesting for me, I live in Europe and during one of the trip, I bought two sets of XL cartridges for this same model but printer didn't recognize in the past and I was going to throw them since these were no good for my EU model. I tried these again after chip reset firmware and voila, they works too.

I am amazed at the propaganda of these printer manufactures that even original printer cartridges from US didn't work on the model here in EUROPE, these used to fit perfectly but printer wouldn't recognize however, now they works too.
Today, I was almost ready to trash my 2.5 yr old and not much used printer but after a lot of trying and finally using WIC reset utility, the printers works like new and saved me a lot!

These were the best 20 CHF/USD I spent today!
Thank you very much and I don't need to worry about relying on a hardware chip-reset tool. I will now be able to use US model cartridges and re-fill i like without having to worry. I even printed some photos using this same printer on photo paper today and printer did an excellent job.
  yura ya 2011-08-13 09:04:22  
  Hi. I tried to reset printer Epson EP-901f (japanese model). I tryed everything possible I could - SCC utility, soft reset,.... so far no luck. Then i bought this and it reset my printer just in second. Thanks for good job. My printer is back to life again. I paid for this printer about $550US. Now I can use it again just for spending extra almost 10 dollars. It\'s worth it. Thanks for your great job. Well done!
  Eva Baumgartner 2025-06-02 15:36:12  
  Großartig! - mit trial versucht, heute gekauft, bezahlt, bekommen, angewendet - und mein Epson XP-950 läuft (mit neuem Tintenkissen) wie neu. Toller Service, ich bin sehr zufrieden.
  Boudjemaa Saadi 2017-01-25 00:40:40  
  Thank you for all your help. I got my printer printing again. I had trouble with my OS as I have Linux but it worked fine on my mac. Thanks again
  MANMOHAN MEENA 2015-05-29 11:20:48  
  I bought a key (25key) Use everything correctly
  wahyu din 2012-11-05 15:57:58  
  oke reset manual yang sangat baik untuk tpfe printer epson tx121
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