HP 9050

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  • tech07
    Trusted Tech

    250+ Posts
    • Aug 2008
    • 405

    [CQ] HP 9050

    Guys, does anyone recognize this symptom on a HP 9050 ?
    Replaced cartridge and power supply.
    FUSER ?
    1 or 2 copies are ok. multiple copies not...
    Attached Files
  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22698

    #2
    Re: HP 9050

    What interval does it repeat at? =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

    Comment

    • tech07
      Trusted Tech

      250+ Posts
      • Aug 2008
      • 405

      #3
      Re: HP 9050

      Since I'm researching for another tech, not sure. Although we aren't HP techs, it reminds me of the Toshiba 287s (OKIDATA) fuser. Looks fine when it's removed from printer, but still leaves smudges at regular intervals.
      I dont know the diameter of fuser. I'm going to recommend that to him next, although I hate "throwing" parts at machines.

      Comment

      • copyman
        Owner / Technician

        Site Contributor
        2,500+ Posts
        • Sep 2005
        • 4213

        #4
        Re: HP 9050

        Sure looks like a bad toner cart to me. HP has what's called a "defect ruler" that will show the cause of issue by how far apart each occurrence is. Google 9050 "defect ruler" or look in manual.

        Another thing comes to mind, check the blue levers on fuser to make sure they are not in the envelope position

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22698

          #5
          Re: HP 9050

          It looks to me like a developer bias short or drum ground loss. I think I'd start with a known good cartridge. =^..^=
          If you'd like a serious answer to your request:
          1) demonstrate that you've read the manual
          2) demonstrate that you made some attempt to fix it.
          3) if you're going to ask about jams include the jam code.
          4) if you're going to ask about an error code include the error code.
          5) You are the person onsite. Only you can make observations.

          blackcat: Master Of The Obvious =^..^=

          Comment

          • Phil B.
            Field Supervisor

            10,000+ Posts
            • Jul 2016
            • 22808

            #6
            Re: HP 9050

            ok the 9050 can feed 8.5x11.0 either LEF.. or SEF.. What feed direction? have you checked the transfer roller under the toner?

            Comment

            • copyman
              Owner / Technician

              Site Contributor
              2,500+ Posts
              • Sep 2005
              • 4213

              #7
              Re: HP 9050

              Good point by phil, definitely check the transfer roller. The defect ruler is usually right on and will point you in the right direction.

              Comment

              • Phil B.
                Field Supervisor

                10,000+ Posts
                • Jul 2016
                • 22808

                #8
                Re: HP 9050

                if service manual is needed.. email me philb@steppservicesinc.com

                Comment

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