( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • LAURENT19
    Technician
    • Mar 2011
    • 16

    [CQ] ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

    hello

    recently, i've 2 copiers at the same time with the same Quality Default.

    When I print Demo Page with the little bird, ---->> Greyscales are Cyan.
    When I print Gradation Adjust Patern in SERVICE MODE ---->> Greyscales are Cyan too.

    Firmware : G20-M0
    1st copier 600 000 BW prints 180 000 Colour Prints
    2nd copier 250 000 BW prints 400 000 Colour Prints


    I've changed :
    UI-711C
    UI-711M
    UI-711J
    UI-711BK
    and the Transfert Belt

    But no result.

    ID Cells ??
    Laser unit ??

    see file *.jpg

    Thanks for your reply
    Attached Files
  • Toxic
    Senior Tech

    500+ Posts
    • Dec 2009
    • 690

    #2
    Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

    Somebody put cyan toner in place of black toner?
    First thing come to my mind though i never seen that on the field.

    Comment

    • mo0651
      Service Manager

      1,000+ Posts
      • Apr 2009
      • 1054

      #3
      Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

      Have you pulled out the Black Developer unit and looked at it? make a black only copy, what do you see?

      Comment

      • Phil B.
        Field Supervisor

        10,000+ Posts
        • Jul 2016
        • 22808

        #4
        Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

        what are you trying to print?

        does it have ANY color on the page * in formatted file * ? ( if so it may be in "composite color mode"

        Comment

        • Woxner
          Senior Tech

          500+ Posts
          • Jul 2011
          • 807

          #5
          Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

          the feet does not matter. only printer. if you change all i/u's and it did it right away then it seems electronic. dont think laser is culprit.

          Comment

          • allan
            RTFM!!

            5,000+ Posts
            • Apr 2010
            • 5445

            #6
            Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

            Originally posted by Toxic
            Somebody put cyan toner in place of black toner?
            First thing come to my mind though i never seen that on the field.
            I have . Some of the generic toner bottles are not slotted so they can work on other models so they fit anywhere..
            Will put money on that you are right.

            OP please let us know.


            Replaced the IU you say. Did it work OK for a bit?
            Whatever

            Comment

            • mo0651
              Service Manager

              1,000+ Posts
              • Apr 2009
              • 1054

              #7
              Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

              You can change the Black drum all day, and problem won't change. The Developer unit is separate.

              Comment

              • Toxic
                Senior Tech

                500+ Posts
                • Dec 2009
                • 690

                #8
                Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

                Originally posted by mo0651
                You can change the Black drum all day, and problem won't change. The Developer unit is separate.
                You are right,CMY is imaging units but black is separate DR/DV

                Comment

                • allan
                  RTFM!!

                  5,000+ Posts
                  • Apr 2010
                  • 5445

                  #9
                  Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

                  Post an image of the gray gradations please.
                  Whatever

                  Comment

                  • Walterj
                    KONICA MINOLTA

                    50+ Posts
                    • Jun 2017
                    • 89

                    #10
                    Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

                    Originally posted by LAURENT19
                    hello

                    recently, i've 2 copiers at the same time with the same Quality Default.

                    When I print Demo Page with the little bird, ---->> Greyscales are Cyan.
                    When I print Gradation Adjust Patern in SERVICE MODE ---->> Greyscales are Cyan too.

                    Firmware : G20-M0
                    1st copier 600 000 BW prints 180 000 Colour Prints
                    2nd copier 250 000 BW prints 400 000 Colour Prints


                    I've changed :
                    UI-711C
                    UI-711M
                    UI-711J
                    UI-711BK
                    and the Transfert Belt

                    But no result.

                    ID Cells ??
                    Laser unit ??

                    see file *.jpg

                    Thanks for your reply

                    good day
                    Dear I recommend you check the black developing unit and the HV1 / HV2 / HV3 boards


                    Greetings

                    Comment

                    • LAURENT19
                      Technician
                      • Mar 2011
                      • 16

                      #11
                      Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

                      Thanks Walter,

                      I think we are on the GOOD WAY ---> the HV1 / HV2 / HV3 boards

                      I tried JUST to :

                      - Unplugged the UI-711 Cyan
                      - Reinsert the UI-711 Cyan

                      All is GOOD ( HOW LONG ..........)
                      I try this SOLUCE on 1 copier

                      Perhaps CONNECTORS of HV

                      Comment

                      • Walterj
                        KONICA MINOLTA

                        50+ Posts
                        • Jun 2017
                        • 89

                        #12
                        Re: ( 2 X ) Bizhub C754e - GREYSCALES --> CYAN !!!! ????

                        Originally posted by LAURENT19
                        Thanks Walter,

                        I think we are on the GOOD WAY ---> the HV1 / HV2 / HV3 boards

                        I tried JUST to :

                        - Unplugged the UI-711 Cyan
                        - Reinsert the UI-711 Cyan

                        All is GOOD ( HOW LONG ..........)
                        I try this SOLUCE on 1 copier

                        Perhaps CONNECTORS of HV

                        good day
                        Dear
                        If I help you, I think you should isolate the sockets and measure the continuity of the wiring that goes to the HV boards.

                        Regards
                        Luck

                        Comment

                        Working...