TASKalfa 400Ci Cleaning Brush Not Turning

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  • EDSNOW
    Trusted Tech

    100+ Posts
    • Feb 2009
    • 180
    #1

    [CQ] TASKalfa 400Ci Cleaning Brush Not Turning

    I have been woking on a 400Ci with a intermittent smudge issue on prints and copies.
    After trying two new transfer belt units it would appear that the fur cleaning brush might not be turning. I am trying to deterine which motor drives the gearing assembly which contacts the gear of the cleaning brush to turn it.
    Another problem appears to be the multi purpose bypass tray not feeding paper. It seems that the engine pcb is at fault and I am waiting for the replacement.
    In talking with technical support I was informed that the bypass tray problem could be directly related to the cleaning brush problem.
    I am trying to understand how that might be.
    Anyway if someone has had a similar problem with the cleaning brush not turning I sure would like to hear from them.
    Thanks everyone.
    Tags: belt, copies, issue, mp tray, paper, relate, replacement, support, symptoms, tech, technical, transfer
    • Zackuth
      Trusted Tech

      250+ Posts
      • Aug 2009
      • 448
      #2
      There are a few connectors on that PWB that relate to transfer and cleaning.
      If at first you don't succeed, redefine success

        Comment

        • EDSNOW
          Trusted Tech

          100+ Posts
          • Feb 2009
          • 180
          #3
          I appreciate the response.
          I can only hope the engine pcb resolves both issues.
          I still would like to know which motor drives the fur cleaning brush. The parts diagram shows a lot of gears etc in that area.

            Comment

            • JustManuals
              Field Supervisor

              5,000+ Posts
              • Jan 2006
              • 9838
              #4
              This Parts & Service manual can 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

                • EDSNOW
                  Trusted Tech

                  100+ Posts
                  • Feb 2009
                  • 180
                  #5
                  As I am a DEALER I have all the manuals I need and more.
                  Thanks

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22963
                      #6
                      The transfer cleaning unit resides directly over the top of the MP tray feed unit. Is there maybe a ton of toner dumping onto the MP tray? =^..^=
                      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

                        • EDSNOW
                          Trusted Tech

                          100+ Posts
                          • Feb 2009
                          • 180
                          #7
                          Thanks for the reply blackcat.
                          No there isn't any toner built up at all. I really think this all came about when the bypass tray failed to pull/feed paper.
                          From what the symptoms are and the technical input I get it seems that until I replace the engine pcb I cannot do any more testing.
                          I hope to know no later than this coming Tuesday.
                          Thanks

                            Comment

                            • EDSNOW
                              Trusted Tech

                              100+ Posts
                              • Feb 2009
                              • 180
                              #8
                              Tried the engine pcb and no resolution yet. As advised I now have the drive unit module on order that drives the MPT and cleaning fur brush.
                              I will post the results when this is done. (Great engineering design in my opinion)
                              Thanks

                                Comment

                                • EDSNOW
                                  Trusted Tech

                                  100+ Posts
                                  • Feb 2009
                                  • 180
                                  #9
                                  Re: TASKalfa 400Ci Cleaning Brush Not Turning

                                  FYI
                                  The final solution was changing out the MPF DRIVE H UNIT 302KY94220.

                                  Regards
                                  Ed

                                    Comment

                                    • blackcat4866
                                      Master Of The Obvious

                                      Site Contributor
                                      10,000+ Posts
                                      • Jul 2007
                                      • 22963
                                      #10
                                      Re: TASKalfa 400Ci Cleaning Brush Not Turning

                                      Thanks for sharing Ed. Congratulations on a successful fix. =^..^=
                                      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

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