MPC 4000 color registration failed

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  • Bole
    Technician
    • Dec 2012
    • 34

    #1

    MPC 4000 color registration failed

    Hi,

    I have problem with color registration on MPC 4000. The problem is in this that is appearing approximately occasionally on 14 days.
    Usually it is not enough to switch ON/OFF, I must to do the SP2-111-3 and SP2-111-1. After that the copier works normaly a few next days.
    I already was cleaning laser unit and the ITB looks ok.
    Did someone had analogous problems???

    thank you for your cooporation

    Bostjan
    Attached Files
  • slimslob
    Retired

    Site Contributor
    25,000+ Posts
    • May 2013
    • 36831

    #2
    Re: MPC 4000 color registration failed

    Originally posted by Bole
    Hi,

    I already was cleaning laser unit and the ITB looks ok.
    Did someone had analogous problems???

    thank you for your cooporation

    Bostjan
    Have you cleaned the density sensor assembly. It can cause the color registration to go off.

    Comment

    • Eric1968
      Service Manager

      1,000+ Posts
      • Jan 2009
      • 2458

      #3
      Re: MPC 4000 color registration failed

      Only magenta is off. Replace the magenta PCU. Maybe the drum is not rotating at the proper speed.

      Comment

      • joshuadenmark

        #4
        Re: MPC 4000 color registration failed

        1. Clean MUSIC sensors.

        2. Check toner density, too low cause color reg to fail.

        Comment

        • walterman
          Trusted Tech

          Site Contributor
          100+ Posts
          • May 2013
          • 196

          #5
          Re: MPC 4000 color registration failed

          I know this is an old thread, however, it helped me out. I cleaned the music sensors and the mfp color reg. was fixed, thank you!

          Comment

          • joshuadenmark

            #6
            Re: MPC 4000 color registration failed

            Originally posted by walterman
            I know this is an old thread, however, it helped me out. I cleaned the music sensors and the mfp color reg. was fixed, thank you!
            Thanks for you feedback, always nice to hear the results.

            Comment

            • sandmanmac
              Field Supervisor

              Site Contributor
              2,500+ Posts
              • Feb 2009
              • 3964

              #7
              Re: MPC 4000 color registration failed

              Originally posted by joshuadenmark
              Thanks for you feedback, always nice to hear the results.
              Very true. Wouldn't it be nice if the original poster would show the same courtesy and appreciation?

              Comment

              • Tonerbomb
                AutoMajical Resolutionist

                Site Contributor
                2,500+ Posts
                • Feb 2005
                • 2589

                #8
                Re: MPC 4000 color registration failed

                Originally posted by walterman
                I know this is an old thread, however, it helped me out. I cleaned the music sensors and the mfp color reg. was fixed, thank you!
                LIKE !!!
                Mystic Crystal Revelations

                Comment

                • imihm
                  Technician

                  50+ Posts
                  • Feb 2014
                  • 77

                  #9
                  Re: MPC 4000 color registration failed

                  Originally posted by Tonerbomb
                  LIKE !!!
                  Hi there...
                  Perform clear all,then run line positioning...

                  Thanks...

                  Comment

                  • Polarbear
                    Service Manager

                    1,000+ Posts
                    • Feb 2012
                    • 1070

                    #10
                    Re: MPC 4000 color registration failed

                    Originally posted by imihm
                    Hi there...
                    Perform clear all,then run line positioning...

                    Thanks...
                    imihm a word of warning. Never advise someone working on a colour box to do a memory all clear.
                    That NEVER has and NEVER will fix the problem - in fact it wil create MORE problems.

                    Stuff like line position errors have a cause. One needs to find the cause and fix it - Memory all clear is NEVER a fix!
                    Press the GREEN button!!

                    Comment

                    • bob marley
                      Service Manager

                      1,000+ Posts
                      • Jan 2012
                      • 1339

                      #11
                      Re: MPC 4000 color registration failed

                      Originally posted by imihm
                      Hi there...
                      Perform clear all,then run line positioning...

                      Thanks...
                      wrong
                      Live for yourself and you will live in vain. Live for others, and you will live again

                      Comment

                      • M0scb
                        Technician
                        • Oct 2012
                        • 32

                        #12
                        Re: MPC 4000 color registration failed

                        As said before, I know this is an old thread. I have had an issue where the speed encoder in the transfer assy had failed. At the time of running the music adjustment, it would compensate. Over time, the belt drive was slipping, causing registration to move. As the encoder is not avaliable as a spare part the only option, for me at least, was to replace the transfer assy. The fault never returned.

                        Comment

                        • alistair

                          #13
                          Re: MPC 4000 color registration failed

                          Originally posted by joshuadenmark
                          Thanks for you feedback, always nice to hear the results.
                          Hi
                          Can anyone tell me how to reset the color registration, all three colors are way out on an MP C4000.

                          Comment

                          • lawchatkui
                            Technician

                            50+ Posts
                            • Aug 2017
                            • 79

                            #14
                            Re: MPC 4000 color registration failed

                            Hi pro, where is the density & music sensor?

                            Sent from my Mi 4i using Tapatalk

                            Comment

                            • Llama God
                              Service Manager

                              1,000+ Posts
                              • Mar 2009
                              • 1353

                              #15
                              Re: MPC 4000 color registration failed

                              Originally posted by lawchatkui
                              Hi pro, where is the density & music sensor?

                              Sent from my Mi 4i using Tapatalk
                              Tit

                              Comment

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