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  1. whnewhouse

    HP 4550 Color prints blank pages after new drum install

    Ahh, well a search of the forum for ITB brought me to another thread with same issue, and an HP page that answered my problem. http://h10025.www1.hp.com/ewfrf/wc/genericDocument?lc=en&cc=us&docname=bpl12801 The tab that opens the laser window broke off the drum, but I actually found it and will...
  2. whnewhouse

    HP 4550 Color prints blank pages after new drum install

    Unfortunately, this was donated, and I don't have any others... I would assume that it was the drum, but perhaps the ITB gets unseated or something? Should the belt be cleaned? or can it even be cleaned? W
  3. whnewhouse

    HP 4550 Color prints blank pages after new drum install

    What is the ITB belt, and is it a part of the drum unit? It worked fine with the previous drum, it was just getting low (20%) and so I was replacing it. Now I wish I had kept it! I can't get the test page to print, it's blank
  4. whnewhouse

    HP 4550 Color prints blank pages after new drum install

    I recently replaced the drum unit C4195A for the HP 4550 Color laser. Now all I get are blank pages!! I followed the instructions, but now I get nothing!! Any ideas? Thanks!
  5. whnewhouse

    HP 4550 Vertical Black lines

    Hi - We are a non profit, and had an HP 4550n color laser donated with full toner cartridges, and a drum indicating about 20% life left. When we initially ran configuration reports and the test print (full color sample) everything looked great! Then later trying to run 10 copies of a brochure...

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