MP C2504 white Black color issue

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  • cosaw
    Junior Member
    • Feb 2023
    • 3
    #1

    MP C2504 white Black color issue

    Hello Everyone,

    I've replaced toner (4 colors) for my C2504ex, colors     (C/M/Y) are printing fine, but Black isn't good.
    removed Drum unit and turned magnetic pin, the first printing looks a little bit fine, but start being white from second, Third ...
    Black tonner is well filled in unit.
    Do you have any Idea how to solve it ?

    Thank you !
    Tags: black, colors, fine, printing, unit
    • rthonpm
      Field Supervisor

      2,500+ Posts
      • Aug 2007
      • 2847
      #2
      Re: MP C2504 white Black color issue

      Contact a qualified technician to take a look at the machine.

      Sent from my Pixel 6 Pro using Tapatalk

        Comment

        • anothertech
          Service Manager

          Site Contributor
          1,000+ Posts
          • Nov 2007
          • 1757
          #3
          Re: MP C2504 white Black color issue

          Originally posted by rthonpm
          Contact a qualified technician to take a look at the machine.

          Sent from my Pixel 6 Pro using Tapatalk
          A good tech makes it look easy. Then the customer says "Hell, I'll do it myself, after all, how hard could it be?"

          It's not as easy as some might think.

          Oh, by the way, he's in Casablanca, maybe he can get Bogart to fix it.

            Comment

            • UNICORNico
              Trusted Tech

              250+ Posts
              • May 2018
              • 308
              #4
              Re: MP C2504 white Black color issue

              Originally posted by cosaw
              Hello Everyone,

              I've replaced toner (4 colors) for my C2504ex, colors               (C/M/Y) are printing fine, but Black isn't good.
              removed Drum unit and turned magnetic pin, the first printing looks a little bit fine, but start being white from second, Third ...
              Black tonner is well filled in unit.
              Do you have any Idea how to solve it ?

              Thank you !
              Typical customer: - It has poor quality, I change the toner cartridges.
              Technician: - This is not the printer you buy to use at home.
              "ALL WILL BE WELL" The battle cry that most inspires me to follow, from the DC's Comic character that I admire the most. And I feel satisfied with being better every day, and with using Gnu-Linux as my usual Operating System.Apologies for my English, it's not my mother tongue and I'm helping the translator.

                Comment

                • Camper8
                  Junior Member
                  • Feb 2021
                  • 2
                  #5
                  Re: MP C2504 white Black color issue

                  Originally posted by cosaw
                  Hello Everyone,

                  I've replaced toner (4 colors) for my C2504ex, colors                   (C/M/Y) are printing fine, but Black isn't good.
                  removed Drum unit and turned magnetic pin, the first printing looks a little bit fine, but start being white from second, Third ...
                  Black tonner is well filled in unit.
                  Do you have any Idea how to solve it ?

                  Thank you !
                  Probably a bad black photoconductor unit. Very common on that model.

                    Comment

                    • luca72
                      Field Supervisor

                      1,000+ Posts
                      • Oct 2017
                      • 1691
                      #6
                      Re: MP C2504 white Black color issue

                      Originally posted by cosaw
                      Hello Everyone,

                      I've replaced toner (4 colors) for my C2504ex, colors                       (C/M/Y) are printing fine, but Black isn't good.
                      removed Drum unit and turned magnetic pin, the first printing looks a little bit fine, but start being white from second, Third ...
                      Black tonner is well filled in unit.
                      Do you have any Idea how to solve it ?

                      Thank you !
                      I see in your profile that you are not a technician, so I simply ask you to send us the print counter, and let us know if and what has been replaced in the past on the machine, in order to do a more detailed analysis as possible
                      "loneliness is an invention of the white man, when we are alone we talk to everything around us, we are never alone" (Ojibwa)

                        Comment

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