B958 C9402

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  • allan
    RTFM!!

    5,000+ Posts
    • Apr 2010
    • 5445
    #1

    B958 C9402

    Hi guys.

    Ever had this on this model?

    Happens once a month or so, 5 time since the year started at nicely spaced intervals.
    Switching it on and off gets it working again. So trouble shouting is in the dark. All seems in place.

    What does it meant front side scanner lamp fails to extinguish??
    LED not turning off in time?

    That seems to rule out the Flat cable and the LED.
    Not going to change out CCBD the SCDB and fore sure not the MFPB before it locks up on me.
    Whatever
    Tags: fails, lamp, led, locks, time
    • tsbservice
      Field tech

      Site Contributor
      5,000+ Posts
      • May 2007
      • 7635
      #2
      Re: B958 C9402

      In this case I would start with KISS principle, rewriting the firmware.
      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

        • allan
          RTFM!!

          5,000+ Posts
          • Apr 2010
          • 5445
          #3
          Re: B958 C9402

          Could not find any bulletins on this issue.
          But will give firmware a wack.

          If it was firmware this very busy machine would have recreated the condition more than once a month.
          Leaning more to external or hardware related.

          The only times i reload firmware is when it addresses a very specific issue or the firmware is clearly out of wack.
          Or replacing boards and peripherals.

          Will do no harm upgrading it.
          Whatever

            Comment

            • srvctec
              Former KM Senior Tech

              500+ Posts
              • Oct 2009
              • 827
              #4
              Re: B958 C9402

              Is this machine in an area that gets sunlight at any time? If so, maybe someone is opening the ADF and sunlight is shining in making the machine think the exposure LED is lighting abnormally.
              Started in the copier service business in the fall of 1988 and worked at the same company for 33.5 years, becoming the senior tech in 2004 but left to pursue another career on 4/29/22.

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22699
                  #5
                  Re: B958 C9402

                  We've got a bizhub 808 doing that in the office. The hotline recommended swapping CIS, cable, DF board, converter board, and MFP. Our tech tried two other complete DF assys, converter board and MFP.

                  It's still doing it. Hotline is insisting that that changing individual parts will work, not the whole DF. I'm not buying it. Three new complete DF's will not have the exact same problem.

                  It's still broke. =^..^=
                  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

                    • tsbservice
                      Field tech

                      Site Contributor
                      5,000+ Posts
                      • May 2007
                      • 7635
                      #6
                      Re: B958 C9402

                      Originally posted by blackcat4866
                      We've got a bizhub 808 doing that in the office. The hotline recommended swapping CIS, cable, DF board, converter board, and MFP. Our tech tried two other complete DF assys, converter board and MFP.

                      It's still doing it. Hotline is insisting that that changing individual parts will work, not the whole DF. I'm not buying it. Three new complete DF's will not have the exact same problem.

                      It's still broke. =^..^=
                      I would try to change LED Exposure unit (A61FM31100).
                      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

                        • allan
                          RTFM!!

                          5,000+ Posts
                          • Apr 2010
                          • 5445
                          #7
                          Re: B958 C9402

                          Originally posted by srvctec
                          Is this machine in an area that gets sunlight at any time? If so, maybe someone is opening the ADF and sunlight is shining in making the machine think the exposure LED is lighting abnormally.

                          Now thinking back on it the lady was asking me on how book copy works and created a program button for her. She leaves the DF open when doing book separation copy...
                          If you don't deselect the non-image erase function it scans the document like four times and she complained about the time that takes. Disabling it makes the black borders and warned her about toner use and jams but she preferred being able
                          to get thru the book quicker.
                          Really silly other brand does a much better job of erasing environmental exposure with the DF open.

                          Could be related to that?
                          Whatever

                            Comment

                            • tsbservice
                              Field tech

                              Site Contributor
                              5,000+ Posts
                              • May 2007
                              • 7635
                              #8
                              Re: B958 C9402

                              Teach them to use paper pieces on the glass around book, took like a minute to cut them and place onto right places.
                              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

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