Bizhub C258 repating printing defect

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  • mandongo
    Technician
    • Mar 2021
    • 32
    #1

    [Misc] Bizhub C258 repating printing defect

    Hello, friends!

    I have Bizhub C258 with repeating printing defect on every 97mm.
    Can someone tell me is one of the OPC drums causes the defect, or some roller in the fusing unit?
    I tried to search for some info but didn't find any.

    Thanks!

    Regards,
    Alexander
    Tags: bizhub, c258, defect, printing, unit
    • Toxic
      Senior Tech

      500+ Posts
      • Dec 2009
      • 694
      #2
      Re: Bizhub C258 repating printing defect

      OPC drum circumference is about 95mm so it is culprit 99%.
      Try to print one by one CMYK halftone sample and if problem is on only one sample, fusing unit is not problem in that case.

        Comment

        • mandongo
          Technician
          • Mar 2021
          • 32
          #3
          Re: Bizhub C258 repating printing defect

          Thanks a lot!

            Comment

            • techsxge
              Senior Tech

              Site Contributor
              500+ Posts
              • Jan 2022
              • 660
              #4
              Re: Bizhub C258 repating printing defect

              Maybe post a picture of the issue

                Comment

                • JasonSBE
                  Trusted Tech

                  Site Contributor
                  100+ Posts
                  • Apr 2014
                  • 183
                  #5
                  Re: Bizhub C258 repating printing defect

                  Try to time it so that you can open the front door after the image is on the paper but before it has passed through the fusing unit. That should narrow it down.

                    Comment

                    • copyman
                      Owner / Technician

                      Site Contributor
                      2,500+ Posts
                      • Sep 2005
                      • 4528
                      #6
                      Re: Bizhub C258 repating printing defect

                      Easiest thing to do is what toxic suggested. Go into service mode and print separate test pages of all four colors. This will narrow down to which drum has the defect.

                        Comment

                        • Elmo
                          Senior Tech

                          Site Contributor
                          500+ Posts
                          • Feb 2010
                          • 541
                          #7
                          Re: Bizhub C258 repating printing defect

                          what colour is the defect ? if it is cyan yellow or magenta you can swap the drums over and see if the defect moves
                          eg if its a cyan defect swap the cyan and yellow drum see if it then becomes a yellow defect
                          only the colour drums are easy swappable
                          I Used To Live To Fix Things Now i Fix Things To Live

                            Comment

                            • tsbservice
                              Field tech

                              Site Contributor
                              5,000+ Posts
                              • May 2007
                              • 7911
                              #8
                              Re: Bizhub C258 repating printing defect

                              Originally posted by mandongo
                              Hello, friends!

                              I have Bizhub C258 with repeating printing defect on every 97mm.
                              Can someone tell me is one of the OPC drums causes the defect, or some roller in the fusing unit?
                              I tried to search for some info but didn't find any.

                              Thanks!

                              Regards,
                              Alexander
                              Maybe next time give feedback of what worked for you?
                              A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
                              Blessed are they who can laugh at themselves, for they shall never cease to be amused.

                                Comment

                                • mandongo
                                  Technician
                                  • Mar 2021
                                  • 32
                                  #9
                                  Re: Bizhub C258 repating printing defect

                                  Hello friends!
                                  Thanks a lot to all of you!
                                  The problem was with the black drum unit.
                                  I have rebuild it (replacing the OPC drum, wiper blade and the chip) and now the printout is ok.
                                  Thanks!

                                    Comment

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