bizhub 423 jam in fuser

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  • brent
    Service Manager

    Site Contributor
    1,000+ Posts
    • Nov 2008
    • 1208
    #1

    bizhub 423 jam in fuser

    sounds like a simple problem.. maybe it is I have a 423 bizhub with a fuser that has maybe 5k on it. the paper will stop in the fuser around twice a day
    it has no finisher on it. and I tried to watch to see what was stopping but I could not get it to jam while I watched.. imagine that
    they are using cosco paper imagine that

    I have asked them to use a better paper but they have not yet.. any ideas? other then paper of course

    brent thanks yall
    Tags: None
    • mx6turbo89
      Trusted Tech

      Site Contributor
      100+ Posts
      • Oct 2013
      • 154
      #2
      Re: bizhub 423 jam in fuser

      What jam code is showing up in the history? It's possible that the 2nd feed clutch might be starting to slip. Also check the 2nd feed roller bushings to ensure that they're not gummed up and causing the roller to be difficult to turn (hence the slipping clutch).

        Comment

        • brent
          Service Manager

          Site Contributor
          1,000+ Posts
          • Nov 2008
          • 1208
          #3
          Re: bizhub 423 jam in fuser

          I didn't check out the jam code.. but I will check out the second feed clutch today..
          I have had no problems with 80 of my other machines of this type in the field
          I guess there needs to be one to make me work for it right??
          brent

            Comment

            • Synthohol
              Certified Konica Expert

              Site Contributor
              5,000+ Posts
              • Mar 2016
              • 5745
              #4
              Re: bizhub 423 jam in fuser

              Does it do it from alk trays including the bypass?
              Was a feed unit ever replaced? Only the 423 has an extra sensor on the feed unit and can do what you describe.
              We know a thing or two because we've seen a thing or two.
              The medication helps though...

                Comment

                • brent
                  Service Manager

                  Site Contributor
                  1,000+ Posts
                  • Nov 2008
                  • 1208
                  #5
                  Re: bizhub 423 jam in fuser

                  it does it from both trays I believe.. and haven't tried the bypass unit.. I did replace the drum developer and dv unit yes
                  hoping to get over there today it may end up being a simple paper problem hopefully
                  its either going to be easy or a hard fix.. this is my life

                  brent

                    Comment

                    • CompyTech
                      Super Tech

                      500+ Posts
                      • Feb 2011
                      • 706
                      #6
                      Re: bizhub 423 jam in fuser

                      Had a similar problem, along with poor fusing and toner rubbing off the page. Ended up being aftermarket toner being the cause.

                        Comment

                        • Synthohol
                          Certified Konica Expert

                          Site Contributor
                          5,000+ Posts
                          • Mar 2016
                          • 5745
                          #7
                          Re: bizhub 423 jam in fuser

                          will it pass paper landscape but jams on portrait?
                          We know a thing or two because we've seen a thing or two.
                          The medication helps though...

                            Comment

                            • brent
                              Service Manager

                              Site Contributor
                              1,000+ Posts
                              • Nov 2008
                              • 1208
                              #8
                              Re: bizhub 423 jam in fuser

                              when you say second feed clutch are you referring to the feed clutch cl22 that you can see when you open the right hand door.. not the registration clutch but the other one that is hidden? I will do that tomorrow for sure

                              if that is the clutch you are talking about

                              thanks
                              brent

                                Comment

                                • blackcat4866
                                  Master Of The Obvious

                                  Site Contributor
                                  10,000+ Posts
                                  • Jul 2007
                                  • 22954
                                  #9
                                  Re: bizhub 423 jam in fuser

                                  And what was the jam code? I can understand speculating back in the analog days when there was maybe three jam codes ... but you can get a lot of information from a jam code now. Why ignore this data when it's available to you? =^..^=
                                  If you'd like a serious answer to your request:
                                  1) demonstrate that you've read the manual
                                  2) demonstrate that you made some attempt to fix it.
                                  3) if you're going to ask about jams include the jam code.
                                  4) if you're going to ask about an error code include the error code.
                                  5) You are the person onsite. Only you can make observations.

                                  blackcat: Master Of The Obvious =^..^=

                                    Comment

                                    • mx6turbo89
                                      Trusted Tech

                                      Site Contributor
                                      100+ Posts
                                      • Oct 2013
                                      • 154
                                      #10
                                      Re: bizhub 423 jam in fuser

                                      Originally posted by brent
                                      when you say second feed clutch are you referring to the feed clutch cl22 that you can see when you open the right hand door.. not the registration clutch but the other one that is hidden? I will do that tomorrow for sure

                                      if that is the clutch you are talking about

                                      thanks
                                      brent
                                      Yes, I meant the registration clutch on the side door. Also, the registration roller bushings will gum up over time. They will also hallow out after awhile and cause the registration clutch to lose drive sporadically and it will worsen over time. Also, as has been mentioned, there is a passage sensor that's unique to the 423 that has a tendency to get dusty and cause jams.

                                      Again, a jam code would be a huge help in diagnosing this problem.

                                        Comment

                                        • brent
                                          Service Manager

                                          Site Contributor
                                          1,000+ Posts
                                          • Nov 2008
                                          • 1208
                                          #11
                                          Re: bizhub 423 jam in fuser

                                          ok guys. Either today or tomorrow I will visit the machine. It is a ways away from me. So I did not know the jam code I guess I don't utilize the jam codes like they are meant to. For sure But I should. And I will look at the sensor. And I have located a new clutch to take with me as well. I appreciate all the help. Also. I think maybe I turned the jam codes off. Not sure if the customer could see what code it says or if it just points to a location on the screen
                                          Brent

                                            Comment

                                            • Albonline
                                              Service Manager

                                              1,000+ Posts
                                              • Sep 2008
                                              • 1135
                                              #12
                                              Re: bizhub 423 jam in fuser

                                              Originally posted by brent
                                              ok guys. Either today or tomorrow I will visit the machine. It is a ways away from me. So I did not know the jam code I guess I don't utilize the jam codes like they are meant to. For sure But I should. And I will look at the sensor. And I have located a new clutch to take with me as well. I appreciate all the help. Also. I think maybe I turned the jam codes off. Not sure if the customer could see what code it says or if it just points to a location on the screen
                                              Brent
                                              The drive motors on these units are known to fry with use, causing the type of problem you are haveing. look at the bearing on the drive shaft of the motor, if its dark brown or black replace it.

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