Removal of bridge unit

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  • campy
    Trusted Tech

    250+ Posts
    • May 2012
    • 309
    #1

    Removal of bridge unit

    Does anybody have or can point me to the installation or removal of the bridge unit for DF-770 on a 5501i copier?
    I am having trouble finding it on kyocera's site. What's happening is the front lead corner of the sheet is catching and skewing the paper as it enters the delivery rollers and jams at the finisher.
    Thanks in advance.
    Tags: bridge, catching, removal, skewing, unit
    • BillyCarpenter
      Field Supervisor

      Site Contributor
      VIP Subscriber
      10,000+ Posts
      • Aug 2020
      • 15217
      #2
      Re: Removal of bridge unit

      Originally posted by campy
      Does anybody have or can point me to the installation or removal of the bridge unit for DF-770 on a 5501i copier?
      I am having trouble finding it on kyocera's site. What's happening is the front lead corner of the sheet is catching and skewing the paper as it enters the delivery rollers and jams at the finisher.
      Thanks in advance.


      I don't have the installation paperwork but you have to start by removing all the covers on the left side and then remove all the screws from the metal mounting brackets that were exposed after removing left cover. You also have to remove the small cover underneath the op-panel. Once you do that, the bridge unit should slide out towards the front of the machine. It's been a minute but I think that's right.
      Adversity temporarily visits a strong man but stays with the weak for a lifetime.

        Comment

        • darry1322
          Senior Tech

          Site Contributor
          500+ Posts
          • Oct 2010
          • 817
          #3
          Re: Removal of bridge unit

          Originally posted by campy
          Does anybody have or can point me to the installation or removal of the bridge unit for DF-770 on a 5501i copier?
          I am having trouble finding it on kyocera's site. What's happening is the front lead corner of the sheet is catching and skewing the paper as it enters the delivery rollers and jams at the finisher.
          Thanks in advance.
          If you'll drop down the front cover of the transport unit and look at the guide on the left side bottom of the transport deck where it transitions into the exit of the transport unit (I wish I had a picture). You'll find a small burr on the deck where it will just catch that lead edge front corner. I have been able to smooth those out enough to keep them running without the complete removal of the unit.

            Comment

            • buzz
              Trusted Tech

              Site Contributor
              250+ Posts
              • Aug 2013
              • 287
              #4
              Re: Removal of bridge unit

              Originally posted by campy
              Does anybody have or can point me to the installation or removal of the bridge unit for DF-770 on a 5501i copier?
              I am having trouble finding it on kyocera's site. What's happening is the front lead corner of the sheet is catching and skewing the paper as it enters the delivery rollers and jams at the finisher.
              Thanks in advance.
              Pretty much what Billy posted, but for a detailed removal, refer to the installation guide in the back of the 3501i/5501i service manual labeled AK-731. This is the attachment kit (bridge unit) installation process for the finisher.

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22749
                  #5
                  Re: Removal of bridge unit

                  Be glad it's not a KM-5500i. They had the erector set bridge units. You literally got a large box of parts and assembled the whole thing from individual parts.

                  Also check to see if the idler rollers in the top of the bridge unit are all there, and the springs working properly. We've had those idler wheels fall off and block paper passage. =^..^=
                  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

                    • tonerleak
                      Technician

                      50+ Posts
                      • Mar 2012
                      • 67
                      #6
                      Re: Removal of bridge unit

                      There was a new version of the relay exit unit released which had some mylar guides added to the entrance of the unit to prevent dog ears on the leading edge of the sheet. Also like Blackcat mentioned, the bridge unit rollers need to be checked as the shaft that holds the white idler rollers wears through the frame and if that happens, you have two options: try and Macguyver it or order a new bridge unit.
                      Last edited by tonerleak; 05-12-2022, 01:22 AM.

                        Comment

                        • blackcat4866
                          Master Of The Obvious

                          Site Contributor
                          10,000+ Posts
                          • Jul 2007
                          • 22749
                          #7
                          Re: Removal of bridge unit

                          Originally posted by tonerleak
                          There was a new version of the relay exit unit released which had some mylar guides added to the entrance of the unit to prevent dog ears on the leading edge of the sheet. Also like Blackcat mentioned, the bridge unit rollers need to be checked as the shaft that holds the white plastic rollers wears through the frame and if that happens, you have two options: Macguyver it or order a new bridge unit.
                          This was my MacGuyver. It lasted the rest of the life of the machine:

                          Bridge Paper Skew.JPG
                          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

                            • tonerleak
                              Technician

                              50+ Posts
                              • Mar 2012
                              • 67
                              #8
                              Re: Removal of bridge unit

                              There was a new version of the relay exit unit released which had some mylar guides added to the entrance of the unit to prevent dog ears on the leading edge of the sheet. Also like Blackcat mentioned, the bridge unit rollers need to be checked as the shaft that holds the white idler rollers wears through the frame and if that happens, you have two options: Macguyver it or order a new bridge unit. Also check how freely the rubber transport rollers turn, I've had to clean the bushings as they get gunked up and slow the paper down as it goes through the bridge unit.

                                Comment

                                • campy
                                  Trusted Tech

                                  250+ Posts
                                  • May 2012
                                  • 309
                                  #9
                                  Re: Removal of bridge unit

                                  It turned out to be a burr in the bridge unit. Thanks for the help.

                                    Comment

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