cyan color problems on a bizhub C550

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  • niticom
    Technician
    • Dec 2011
    • 12
    #1

    cyan color problems on a bizhub C550

    the problem I have is with a C550 bizhub, the cyan color has quality imaging unit is 70% of your life useful however strong blue does not come into place only goes magenta (I leave some pictures to printing can see the test) on the screen too leave me the P6 and P21 indicators. agradesco their opinions.
    Compare the images that sending good and the other with the problema.escanear0001.jpg
    Tags: None
    • Synaux
      Service Manager

      Site Contributor
      1,000+ Posts
      • Mar 2012
      • 1224
      #2
      Re: cyan color problems on a bizhub C550

      Originally posted by niticom
      the problem I have is with a C550 bizhub, the cyan color has quality imaging unit is 70% of your life useful however strong blue does not come into place only goes magenta (I leave some pictures to printing can see the test) on the screen too leave me the P6 and P21 indicators. agradesco their opinions.
      Compare the images that sending good and the other with the problema.[ATTACH=CONFIG]23135[/ATTACH]
      Just because the IU is not near EOL does not mean it is not defective, have you tested the cyan IU itself?
      P-6 is cyan IU failure.
      P21:Transfer belt unit/PH unit/Printer control board (PRCB)
      Step Action
      1 Wipe clean the surface of the transfer belt with a soft cloth, if it is dirty.
      2 Change the image transfer belt unit if the transfer belt is damaged.
      3 Change the PH unit.
      4 Change PRCB.
      (5 while you are there clean the IDC sensors too).

        Comment

        • RRodgers
          Service Manager

          1,000+ Posts
          • Jun 2009
          • 1947
          #3
          Re: cyan color problems on a bizhub C550

          Start off with a reset and stabilize, then go into tech mode and print out a cyan gradiant page. Then print out a any one of the other colors, if they don't match I'd be looking into a new IU. Has this IU been chipped? After a while sometimes the chipped IU's will lose Dev and you won't get decent solids.
          Report back.
          Color is not 4 times harder... it's 65,000 times harder. They call it "TECH MODE" for a reason. I have manual's and firmware for ya, course... you are going to have to earn it.

            Comment

            • JustManuals
              Field Supervisor

              5,000+ Posts
              • Jan 2006
              • 9838
              #4
              Re: cyan color problems on a bizhub C550

              This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from:


              http://www.justmanuals.com



              Paul@justmanuals.com

                Comment

                • Ubtessy
                  Junior Member
                  • May 2015
                  • 4
                  #5
                  Re: cyan color problems on a bizhub C550

                  Originally posted by niticom
                  the problem I have is with a C550 bizhub, the cyan color has quality imaging unit is 70% of your life useful however strong blue does not come into place only goes magenta (I leave some pictures to printing can see the test) on the screen too leave me the P6 and P21 indicators. agradesco their opinions.
                  Compare the images that sending good and the other with the problema.[ATTACH=CONFIG]23135[/ATTACH]
                  Hello, call a technician to top or add Developer to that Unit and it will be ok, its cause by shortage of DEVELOPER

                    Comment

                    • Copier Addict
                      Aging Tech

                      Site Contributor
                      10,000+ Posts
                      • Jul 2013
                      • 14355
                      #6
                      Re: cyan color problems on a bizhub C550

                      Originally posted by Ubtessy
                      Hello, call a technician to top or add Developer to that Unit and it will be ok, its cause by shortage of DEVELOPER
                      It is a two year old thread. I would hope he either has it fixed or replaced by now. lol

                        Comment

                        • Synaux
                          Service Manager

                          Site Contributor
                          1,000+ Posts
                          • Mar 2012
                          • 1224
                          #7
                          Re: cyan color problems on a bizhub C550

                          Originally posted by copier addict
                          It is a two year old thread. I would hope he either has it fixed or replaced by now. lol
                          This is the second "developer epiphany" I have noticed--on posts that I have responded to over a year ago.
                          Got to love it.

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