C6500 cant get it "red" enough

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  • excanonguy
    Trusted Tech

    100+ Posts
    • Jun 2008
    • 173
    #1

    C6500 cant get it "red" enough

    A bit of a long shot but here goes! We got this machine with almost 900K on it and know nothing of its past service history,when it prints and copies the reds always appear too orange,heres what I have done on it recently :

    200K pm kit
    developer assy's X4
    developer x4
    drums x4
    corona assy's x4
    d-max sensor assy's x 4

    I have cleaned the opyics and calibrated it countless times, nothing appears to have aany effect on it, the other colors appear to be fine....any thoughts, theories,or suggestions welcomed!!
    Tags: c6500, calibrated, gamma, lef, long shot, pulled, red
    • Specilist KVN
      Technician

      50+ Posts
      • Sep 2008
      • 79
      #2
      Originally posted by excanonguy
      A bit of a long shot but here goes! We got this machine with almost 900K on it and know nothing of its past service history,when it prints and copies the reds always appear too orange,heres what I have done on it recently :

      200K pm kit
      developer assy's X4
      developer x4
      drums x4
      corona assy's x4
      d-max sensor assy's x 4

      I have cleaned the opyics and calibrated it countless times, nothing appears to have aany effect on it, the other colors appear to be fine....any thoughts, theories,or suggestions welcomed!!
      This is an older known/resolved issue with this model.
      It is hardware related, if I remember correctly a "board" needs to be replaced in the MFP.
      It is NOT a RIP/File issue.

        Comment

        • Si@danwood
          Trusted Tech

          100+ Posts
          • Mar 2008
          • 154
          #3
          Doe's the gamma sensor assy have an "M" stamped on it?If it doesn't then replace the assy as a whole and it should help correct the issue(Sensor assy is located on the upper left side of the process cavity when the process carriage is pulled out).However the c6500 Reds aren't that brilliant and the official (UK at least) line is that it is a"limitation" of the engine.....Si

          (modified part no = A03UR79800)

          also try this link
          C6500 red color problume - Copytechnet.com
          http://www.copytechnet.com/forums/konica-minolta/19504-c6500-red-color-problume.html?highlight=6500+red

            Comment

            • excanonguy
              Trusted Tech

              100+ Posts
              • Jun 2008
              • 173
              #4
              Thanks Si, I found the other link after I posted the question...thought I had a unique problem, guess I should have done a search first eh lol!! I was at the clients today for one of the other machines and confirmed the reg/gamma assy is the old 1st series one, so I have ordered the new one and should have it next week...I am pretty confident this will solve the issue and will add to this post after I change the assy, thanks!

              Steve

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