bizhub c552 Print is brighter at the edges of paper

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  • odb
    • Jul 2025
    #1

    bizhub c552 Print is brighter at the edges of paper

    SKMBT_C552100708133&.jpgKonica Minolta bizhub c552 Print is brighter when mix cyan and magenta, yellow and magenta or cyan and yellow at the edges of paper. The pritner is new only 860 prints.
    Last edited by Guest; 07-08-2010, 12:45 PM.
    Tags: 860, adjustment, bizhub, brighter, c55, c552, cyan, edges, expand, konica, konica minolta, magenta, minolta, mode, normal, paper, print, printing, prints, run, running, service, service mode, setup, tweaking, yellow
    • minimerlin
      Senior Tech

      Site Contributor
      500+ Posts
      • Nov 2007
      • 851
      #2
      Originally posted by odb
      [ATTACH=CONFIG]5289[/ATTACH]Konica Minolta bizhub c552 Print is brighter when mix cyan and magenta, yellow and magenta or cyan and yellow at the edges of paper. The pritner is new only 860 prints.
      Not sure what you mean and are showing on the jpeg..could you expand?
      Please do not PM me without asking first.

        Comment

        • mojorolla
          The Wolf

          2,500+ Posts
          • Jan 2010
          • 2627
          #3
          Try running the gamma setup in service mode. I had one real strong on Magenta, ran the gamma adjustment and colors returned to normal.
          Failing to plan is planning to fail!!!

            Comment

            • Stirton.M
              All things Konica Minolta

              1,000+ Posts
              • Oct 2009
              • 1804
              #4
              Originally posted by minimerlin
              Not sure what you mean and are showing on the jpeg..could you expand?
              It looks to me like the process colours are not quite mixing as they should. Its hard to tell on that image for certain.

              I suspect they are printing to heavy paper stock and not adjusting the trays to compensate.
              "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
              ---Groucho Marx


              Please do not PM me for questions related to Konica Minolta hardware.
              I will not answer requests or questions there.
              Please ask in the KM forum for the benefit of others to see the question and give their input.

                Comment

                • odb
                  #5
                  Originally posted by Stirton.M
                  It looks to me like the process colours are not quite mixing as they should. Its hard to tell on that image for certain.

                  I suspect they are printing to heavy paper stock and not adjusting the trays to compensate.
                  This is printed on plain paper and and the difference in colors is shown on all types of paper. If you see a picture where I show a little more detail what the problem is

                  2..jpg

                  I apologize for the spelling mistake

                    Comment

                    • Stirton.M
                      All things Konica Minolta

                      1,000+ Posts
                      • Oct 2009
                      • 1804
                      #6
                      You could try tweaking the transfer voltages a little, reduce second transfer. The reproduced images appear to be blasting, which would suggest the transfer voltages are too high. It might even be an evironmental problem, such as too much humidity or lack of sufficient. What are the humidity sensors reading at?

                      Firmware could also contribute to this, ensure the latest firmware is loaded.
                      "Many years ago I chased a woman for almost two years, only to discover that her tastes were exactly like mine: we both were crazy about girls."
                      ---Groucho Marx


                      Please do not PM me for questions related to Konica Minolta hardware.
                      I will not answer requests or questions there.
                      Please ask in the KM forum for the benefit of others to see the question and give their input.

                        Comment

                        • Karelkat
                          Technician
                          • Jul 2010
                          • 18
                          #7
                          Originally posted by odb
                          [ATTACH=CONFIG]5289[/ATTACH]Konica Minolta bizhub c552 Print is brighter when mix cyan and magenta, yellow and magenta or cyan and yellow at the edges of paper. The pritner is new only 860 prints.
                          Replace laser unit. We had brand new C652 do the same thing.

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