okcopier

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  • okcopier
    Technician
    • Dec 2011
    • 13

    #1

    okcopier

    I have a HP Laser jet 2840 that is given blank copies. I replaced all of the supplies and the transfer roller. can someone help me?
  • subaro
    Service Manager

    1,000+ Posts
    • Oct 2010
    • 1274

    #2
    Re: okcopier

    Here is the link for the service manual. do the necessary check in there and let us know what you come up with. I can make suggestions, but you have the service manual now, you can disassemble and reinstall correctly.. let us know. For others who need this service manual, download and keep. Hp small mfp's are pretty much the same in troubleshooting and principle of function. Hard drives are cheap and i haven't had one crash in a long time. invest in one and store your treasures there.



    here is the user guide

    THE ONLY THING FOR EVIL TO TRIUMPH IS FOR GOOD MEN TO DO NOTHING..........edmund burke

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