Bh550i no screen, no LEDs, only motors

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  • mrwho
    Major Asshole!

    Site Contributor
    2,500+ Posts
    • Apr 2009
    • 4299
    #1

    [Dead] Bh550i no screen, no LEDs, only motors

    Good morning all.

    A colleague is checking out a 550i with a black screen, no leds and only the motors can be heard running.

    When he opens and closes the doors, the machine appears to react accordingly (motors stop and then resume running).

    He replaced the panel with a working one, without change.

    Please keep in mind we service mostly Ricoh machines. I've been a KM tech before, but the last machine I was trained on was the C6501.

    Plus, if someone could share the manuals (SM+parts), would be super - as always, I willing to trade.

    Thanks in advance for any help with this.

    Cheers and happy New Year!
    ' "But the salesman said . . ." The salesman's an asshole!'
    Mascan42

    'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
    Ibid

    I'm just an ex-tech lurking around and spreading disinformation!
    Tags: leds, motors, running, screen
    • Gift
      Service Manager

      1,000+ Posts
      • Mar 2011
      • 2458
      #2
      Re: Bh550i no screen, no LEDs, only motors

      Guess next thing to check out are the cable/connections from panel -> base board

      I'll drop you a PM in a few minutes...

        Comment

        • mrwho
          Major Asshole!

          Site Contributor
          2,500+ Posts
          • Apr 2009
          • 4299
          #3
          Re: Bh550i no screen, no LEDs, only motors

          Originally posted by Gift
          Guess next thing to check out are the cable/connections from panel -> base board

          I'll drop you a PM in a few minutes...
          Thank you for the feedback. Will let him know.

          In the meantime, some more info:

          The network leds don't light up, and the machine isn't accessible via web browser.
          ' "But the salesman said . . ." The salesman's an asshole!'
          Mascan42

          'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
          Ibid

          I'm just an ex-tech lurking around and spreading disinformation!

            Comment

            • Gift
              Service Manager

              1,000+ Posts
              • Mar 2011
              • 2458
              #4
              Re: Bh550i no screen, no LEDs, only motors

              Originally posted by mrwho
              Thank you for the feedback. Will let him know.

              In the meantime, some more info:

              The network leds don't light up, and the machine isn't accessible via web browser.
              OK that's not so common... is it a warranty case?

              I'd probably try and re-seat all components on the base board, including the CPU board (sit's on top of it).
              KM changed the board/PCB designs with the I series so the baseboard kind of contains what ricoh calls the "I/O board, BICO and most Controller I/Os like USB and NIC", CPU board contains RAM/nVME Drive/CPU.

              nVME Storage boards are failing pretty often with this series but I never had a case with a dead panel as side effect,
              usually a faulty storage board leads to boot loops or MFP get stucked during booting.

                Comment

                • tsbservice
                  Field tech

                  Site Contributor
                  5,000+ Posts
                  • May 2007
                  • 7981
                  #5
                  Re: Bh550i no screen, no LEDs, only motors

                  Check Interface Cable (p/n AA2JN15600) between Base Board and OP.
                  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

                    • mrwho
                      Major Asshole!

                      Site Contributor
                      2,500+ Posts
                      • Apr 2009
                      • 4299
                      #6
                      Re: Bh550i no screen, no LEDs, only motors

                      Thank you. Sent the thread's URL to my colleague so he can follow up with the tips.

                      Will keep you posted!
                      ' "But the salesman said . . ." The salesman's an asshole!'
                      Mascan42

                      'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
                      Ibid

                      I'm just an ex-tech lurking around and spreading disinformation!

                        Comment

                        • tmmdmmm
                          Trusted Tech

                          Site Contributor
                          100+ Posts
                          • Apr 2021
                          • 173
                          #7
                          Re: Bh550i no screen, no LEDs, only motors

                          Originally posted by mrwho
                          Thank you. Sent the thread's URL to my colleague so he can follow up with the tips.

                          Will keep you posted!
                          So those new op panels seem to use a micro usb instead of an hdmi/displayport connector. I've seen both completely "dead" op panels and op panels with dark lines horizontally through them when the micro usb has a poor connection on the baseboard end. Luckily I've never had to replace them, just getting them secured better seems to solve it. I havn't had to tear down the op panel to fix any issues yet.

                            Comment

                            • mrwho
                              Major Asshole!

                              Site Contributor
                              2,500+ Posts
                              • Apr 2009
                              • 4299
                              #8
                              Re: Bh550i no screen, no LEDs, only motors

                              Sorry, just a side note on a (bad) mistake of mine: It's the color machine - the C550i!

                              My bad...
                              ' "But the salesman said . . ." The salesman's an asshole!'
                              Mascan42

                              'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.'
                              Ibid

                              I'm just an ex-tech lurking around and spreading disinformation!

                                Comment

                                • Albonline
                                  Service Manager

                                  1,000+ Posts
                                  • Sep 2008
                                  • 1144
                                  #9
                                  Re: Bh550i no screen, no LEDs, only motors

                                  Originally posted by mrwho
                                  Good morning all.

                                  A colleague is checking out a 550i with a black screen, no leds and only the motors can be heard running.

                                  When he opens and closes the doors, the machine appears to react accordingly (motors stop and then resume running).

                                  He replaced the panel with a working one, without change.

                                  Please keep in mind we service mostly Ricoh machines. I've been a KM tech before, but the last machine I was trained on was the C6501.

                                  Plus, if someone could share the manuals (SM+parts), would be super - as always, I willing to trade.

                                  Thanks in advance for any help with this.

                                  Cheers and happy New Year!
                                  try starting with side door open? this will eliminate the heating system from startup . but i really think you are looking at a fried baseboard or main power supply.

                                    Comment

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