C3451 will not reset

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  • josephc
    • May 2025
    #1

    [Error Code] C3451 will not reset

    c3451 error code ---Changed fuser unit ---tried hard reset/utility key + power sw. trouble reset comes up on screen but will not respond to touch.
    checked cables from mfpb to fuser unit -ok --voltages at pwb all checkout. any help ideas would be greatly appreciated
    Tags: ages, bizhub 352, code, duc, error, fuser, key, power, reset, screen, trouble, unit
    • JustManuals
      Field Supervisor

      5,000+ Posts
      • Jan 2006
      • 9838
      #2
      Re: C3451 will not reset

      This Parts & Service manual can now be purchased for $12.77 and downloaded immediately after payment from

      Just Manuals ~ The Internet's largest selection of manuals ~ Instant Downloads


      Paul@justmanuals.com

        Comment

        • rasman67
          #3
          Re: C3451 will not reset

          Check the touch screen it could be bad.

            Comment

            • josephc
              #4
              Re: C3451 will not reset

              Thanks, any work around for checking the touchscreen(to confirm death) as i have no replacement,----when I try the hard reset---utilility+powerswitch It goes to the trouble reset on screen from there if I hit 0-0-s-0-0-1 to enter service it will flash to the service screen for a split second then return to error screen reporting C3451, checked right side switches and there is 120v to fuser power section on power supply board but nothing out to fuser -- it seem that the Mfpb is not sending any Signal to thyristors in fuser power section of board replaced mfpb still no joy don'nt want to go down the rabbit hole of blind Part replacemnt. Any thoughts would be greatly appreciated.

                Comment

                • josephc
                  #5
                  Re: C3451 will not reset STATUS UPDATE

                  after "rasman's" suggestion and a correspondence with "solotime" Got me thinking------(sometimes a dangerous proposition) ohmed out the four conductor ribbon to the touchscreen figuring that the resistance should change as the screen was touched---found open across 3 conductors -------reheated connection at glass--fired up and now trouble reset is functioning.
                  Thanks fellas for pointing me in the right direction-----all the best!

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22932
                      #6
                      Re: C3451 will not reset

                      Did you mention what the model number was?
                      I just can't seem to muster my psychic powers today. =^..^=
                      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

                        • josephc
                          #7
                          Re: C3451 will not reset

                          sorry bizhub 352

                            Comment

                            • josephc
                              #8
                              Re: C3451 will not reset

                              bizhub c352

                                Comment

                                • josephc
                                  #9
                                  Re: C3451 will not reset

                                  Originally posted by blackcat4866
                                  Did you mention what the model number was?
                                  I just can't seem to muster my psychic powers today. =^..^=


                                  Sorry c352

                                    Comment

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