Sharp AR-M236, black lines

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  • Hansoon
    Field Supervisor

    Site Contributor
    2,500+ Posts
    • Sep 2007
    • 3370
    #1

    Sharp AR-M236, black lines

    Sharp AR-M236, giving heavy black lines across feeding direction. (see attachment) I'm a KonicaMinolta guy and have no experience with these Sharp beauties. I suspect drum unit or HV but don't want to throw parts at random at this very old machine. Any hints, based on your experience please?

    Thanks in advance.

    Hans

    SCAN-C-353-16040113180.pdf
    “Sent from my Intel 80286 using MS-DOS 2.0”

    Tags: None
    • dwarf
      Trusted Tech

      100+ Posts
      • Oct 2012
      • 168
      #2
      Re: Sharp AR-M236, black lines

      clean it good...check the cleaning blade... sure looks like it could be a bad drum... check the fuser as well...

        Comment

        • walterman
          Trusted Tech

          Site Contributor
          100+ Posts
          • May 2013
          • 196
          #3
          Re: Sharp AR-M236, black lines

          Judging from your washed out image , I would suspect the copier is well beyond its 75k PM. I would look at the drum unit for wear spots along the edges, chances are that is where your black lines are coming from. Check your counts in Simulation 22-6, that count is based off of the last time they were changed, hopefully, the last tech changed the drum and developer when they cleared the counts. I would start with a good cleaning, paying attention to charge corona unit and transfer roller unit on right jam door, clean all contact points, then a drum, cleaning blade and developer change, if needed.

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22997
              #4
              Re: Sharp AR-M236, black lines

              It's at lest the drum, and probably a lot more. The last time I quoted a full PM it came in around $600 US. That going to be a hard sell on a very old copier. =^..^=
              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

                • SwisSeV
                  Trusted Tech

                  250+ Posts
                  • Jan 2016
                  • 307
                  #5
                  Re: Sharp AR-M236, black lines

                  These old machines are my bread and butter right now. We actually have some that are still on a service contract.

                  Can't tell everything from looking at one copy. The machine is going to be a mess on the inside.
                  Looks like it needs new Developer, drum, charge unit and fuser.

                  Quote for a PM and a fusing unit.

                    Comment

                    • Hansoon
                      Field Supervisor

                      Site Contributor
                      2,500+ Posts
                      • Sep 2007
                      • 3370
                      #6
                      Re: Sharp AR-M236, black lines

                      Thanks guys.

                      Hans
                      “Sent from my Intel 80286 using MS-DOS 2.0”

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