Bizhub c3350i not fusing

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  • mrfuser
    Service Manager
    Site Contributor
    1,000+ Posts
    • May 2007
    • 1566

    Bizhub c3350i not fusing

    Anyone have experience with these little c3350i series? We have one with only 17k on it and the fusing is randomly not working correctly. We can wipe off the toner from the page and see offset. I have changed fusing temp and fusing speed, no change. Turned off SMART FUSING and still same. No error and fuser looks new still.

    Any thoughts?

    K
  • positiveg
    Trusted Tech
    250+ Posts
    • Jun 2018
    • 298

    #2
    Re: Bizhub c3350i not fusing

    Can we see aome photos?
    Also the fuser could just be bad. But if you can provide some photos.
    Also what kind of paper are you using?

    Sent from my SM-G780G using Tapatalk

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    • mrfuser
      Service Manager
      Site Contributor
      1,000+ Posts
      • May 2007
      • 1566

      #3
      Originally posted by positiveg
      Can we see aome photos?
      Also the fuser could just be bad. But if you can provide some photos.
      Also what kind of paper are you using?

      Sent from my SM-G780G using Tapatalk

      Comment

      • copyman
        Owner / Technician
        Site Contributor
        2,500+ Posts
        • Sep 2005
        • 4004

        #4
        Re: Bizhub c3350i not fusing


        You say fuser does it randomly, does it happen when coming out of sleep mode? Finding out when it happens may be the clue.

        If fuser temp would drop to where you can smear off the toner or repeat image you think it would throw a fuser low temp code.

        Highly unlikely the fuser would be bad on a newer model with 17K. But fuser being defective is another story and nothing would surprise me with Kon/Min going backwards last few years, i.e. (Sub-Par new models. Toner, machine & parts shortage)! The shortage stuff is getting better but the new machines are still questionable.

        Comment

        • mrfuser
          Service Manager
          Site Contributor
          1,000+ Posts
          • May 2007
          • 1566

          #5
          Re: Bizhub c3350i not fusing

          yeah no errors. I think middle temp is 141c


          Originally posted by copyman
          You say fuser does it randomly, does it happen when coming out of sleep mode? Finding out when it happens may be the clue.

          If fuser temp would drop to where you can smear off the toner or repeat image you think it would throw a fuser low temp code.

          Highly unlikely the fuser would be bad on a newer model with 17K. But fuser being defective is another story and nothing would surprise me with Kon/Min going backwards last few years, i.e. (Sub-Par new models. Toner, machine & parts shortage)! The shortage stuff is getting better but the new machines are still questionable.

          Comment

          • allan
            RTFM!!
            5,000+ Posts
            • Apr 2010
            • 5428

            #6
            Re: Bizhub c3350i not fusing

            Any visible damage to the fuser? Is the image worst on one or the other side in the cross feed direction?
            Whatever

            Comment

            • REGSIS
              Trusted Tech
              250+ Posts
              • May 2016
              • 431

              #7
              Re: Bizhub c3350i not fusing

              Originally posted by mrfuser
              Anyone have experience with these little c3350i series? We have one with only 17k on it and the fusing is randomly not working correctly. We can wipe off the toner from the page and see offset. I have changed fusing temp and fusing speed, no change. Turned off SMART FUSING and still same. No error and fuser looks new still.

              Any thoughts?

              K
              Raise the fusing teperature in service mode, and order a new fuser.
              Raising a temperature will help for a few days but the problem will return with time.

              I had this problem on c3350i with KM alternative K toner (there were no OEM toner available at that time), but after replacing a new fuser, problem was solved.

              Comment

              • barber782
                Trusted Tech
                250+ Posts
                • Aug 2011
                • 267

                #8
                Re: Bizhub c3350i not fusing

                Fuser units are absolutely crap on these models. Had numerous ones fail after little use. Seems like the fuser oil in the sleeve dries out and over time seizes up. Tried dismantling it to see if I could clean and add oil but with no success. Also found when this happens it destroys the drive gear.
                Had so much negative feedback from customers about these machines.

                Sent from my VTR-L09 using Tapatalk

                Comment

                • jwai
                  Trusted Tech
                  250+ Posts
                  • May 2018
                  • 481

                  #9
                  Re: Bizhub c3350i not fusing

                  It is common problem on i series, fixed it by replaced fusing unit only.
                  I collected some defective units and tested components inside, it may cause of fuser belt material.

                  Comment

                  • mrfuser
                    Service Manager
                    Site Contributor
                    1,000+ Posts
                    • May 2007
                    • 1566

                    #10
                    Re: Bizhub c3350i not fusing

                    Anyone have a source for these fusers other than $500?? Crazy expensive for such a small unit

                    ill take a good used one even as this is a low volume area

                    Comment

                    • mrfuser
                      Service Manager
                      Site Contributor
                      1,000+ Posts
                      • May 2007
                      • 1566

                      #11
                      Re: Bizhub c3350i not fusing

                      Must be the fuser is bad. Put it on thick paper and works perfect. Tried even raising temp and slowing speed in service mode and made no difference. Only putting it on thick paper made it work 😩

                      Comment

                      • positiveg
                        Trusted Tech
                        250+ Posts
                        • Jun 2018
                        • 298

                        #12
                        Re: Bizhub c3350i not fusing

                        Yep see a bad fuser

                        Sent from my SM-G780G using Tapatalk

                        Comment

                        • REGSIS
                          Trusted Tech
                          250+ Posts
                          • May 2016
                          • 431

                          #13
                          Re: Bizhub c3350i not fusing

                          Originally posted by mrfuser
                          Anyone have a source for these fusers other than $500?? Crazy expensive for such a small unit

                          ill take a good used one even as this is a low volume area

                          Comment

                          • blazebusiness
                            SanDiegoCopierRepair.com
                            Site Contributor
                            1,000+ Posts
                            • Apr 2010
                            • 1246

                            #14
                            Re: Bizhub c3350i not fusing

                            Originally posted by mrfuser
                            Anyone have a source for these fusers other than $500?? Crazy expensive for such a small unit

                            ill take a good used one even as this is a low volume area
                            If you can buy direct from Konica or a Konica master distributor like ACM, You could just purchase a C3300i printer for around $500 to $575 brand new and you will have a fuser, itb unit, tray 1 feed unit and more for the same price you said you are paying for a fuser. Toners and image units are different though.
                            sigpicAnything can be made to work if you fiddle with it long enough- San Diego Copier Repair.com

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                            • mrfuser
                              Service Manager
                              Site Contributor
                              1,000+ Posts
                              • May 2007
                              • 1566

                              #15
                              Re: Bizhub c3350i not fusing

                              well, you win Tech of the year award for that one! I didn’t even think about that. I really appreciate the tip.!


                              Originally posted by blazebusiness
                              If you can buy direct from Konica or a Konica master distributor like ACM, You could just purchase a C3300i printer for around $500 to $575 brand new and you will have a fuser, itb unit, tray 1 feed unit and more for the same price you said you are paying for a fuser. Toners and image units are different though.
                              Last edited by mrfuser; 07-04-2023, 11:41 PM. Reason: Spellcheck

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