C253 grey faded "smudges" on duplex printing

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  • xdelios
    Technician
    • Apr 2016
    • 27

    #1

    [Misc] C253 grey faded "smudges" on duplex printing

    Hello,

    I have a C253 with 150K counter. Old machine yes but not used very much.

    So I have a problem that I have noticed on Duplex printing mostly. It happens on single side too but very very often.

    I get a "smudge" (dont know how to call it in English) of other letters from other pages printed. They are faded of course.
    I understand that this is probably a transfer belt issue so I changed to a new OEM transfer belt, no compatibles used.

    Problem still exists.

    Should I clean something so this would be fixed? Or should I change something else as well with the new transfer belt ?

    Regards

    21931369_10214079641327686_362479327_o.jpg21908286_10214079641487690_637386583_o.jpg21895327_10214079641367687_1348103977_o.jpg
  • habik
    Service Manager

    Site Contributor
    1,000+ Posts
    • Apr 2010
    • 2013

    #2
    Re: C253 grey faded "smudges" on duplex printing

    How old are the IU's ?

    I'd clean the fuser to start and see if there is any slight improvment. If there is than replace fuser, if there isn't change the IU K for start.
    .OK Google! ... will I need Berrocca this morning?
    Firmwares HERE

    Comment

    • copyman
      Owner / Technician

      Site Contributor
      2,500+ Posts
      • Sep 2005
      • 4525

      #3
      Re: C253 grey faded "smudges" on duplex printing

      agree black image unit

      Comment

      • xdelios
        Technician
        • Apr 2016
        • 27

        #4
        Re: C253 grey faded "smudges" on duplex printing

        I forgot to mention that black IU is new actually. Should I go with cleaning the Fuser?

        Also I need to mention that this was a problem before I change the IU, changed it and then problem came back after a while.

        One more thing, another tech here told me to try and clean the drums heads (if I recall) with the cleaning "stick" that is included in the front panel, problem is this is lost and can find it nowhere in Europe.

        Regards

        Comment

        • Copier Addict
          Aging Tech

          Site Contributor
          10,000+ Posts
          • Jul 2013
          • 14375

          #5
          Re: C253 grey faded "smudges" on duplex printing

          Originally posted by xdelios
          I forgot to mention that black IU is new actually. Should I go with cleaning the Fuser?

          Also I need to mention that this was a problem before I change the IU, changed it and then problem came back after a while.

          One more thing, another tech here told me to try and clean the drums heads (if I recall) with the cleaning "stick" that is included in the front panel, problem is this is lost and can find it nowhere in Europe.

          Regards
          When you replaced the transfer belt did you also put in a new transfer roller? I have seen these cause ghosting when they get old.
          Also, try cleaning the grid. If the smudges go away throw away the aftermarket toner.

          Comment

          • Don N.
            Trusted Tech

            250+ Posts
            • Nov 2011
            • 409

            #6
            Re: C253 grey faded "smudges" on duplex printing

            Quick way to clean up the fuser is set the bypass tray to "thick 4" paper type setting and run 5 to 10 plain paper through it. If you get toner coming off, then the fuser is not no-stick any more. Don't forget to set the bypass back to plain paper when done.

            Comment

            • copyman
              Owner / Technician

              Site Contributor
              2,500+ Posts
              • Sep 2005
              • 4525

              #7
              Re: C253 grey faded "smudges" on duplex printing

              Nice tip from Don. Looking at your pic again I don't think it is fuser. I would look at black IU again whether it is fairly new or not. I've had brand new IU's bad right out of box! Never know where these things have been stored with heat, etc

              Comment

              • Don N.
                Trusted Tech

                250+ Posts
                • Nov 2011
                • 409

                #8
                Re: C253 grey faded "smudges" on duplex printing

                Originally posted by copyman
                Nice tip from Don. Looking at your pic again I don't think it is fuser. I would look at black IU again whether it is fairly new or not. I've had brand new IU's bad right out of box! Never know where these things have been stored with heat, etc
                My thoughts too but very tough to tell from the pics. He said problem existed before & after the K I. U., so I'm eager to hear the result. I like copier addict's t. roller idea.

                Comment

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