MPC401 sc400 issues...

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  • Vintage tech
    Technician

    50+ Posts
    • Nov 2017
    • 50
    #1

    MPC401 sc400 issues...

    Hi out there,
    I know there has been some info about this before, but here goes...

    I have an MPC 401 that has thrown an SC400 (ID sensor error). I cleaned the sensors thoroughly and re installed them and all was ok for a day and then the code returned.

    I know that on the MPC307 - 45/5503 and 04 ranges there is a work around in factory mode to widen the perameters of the VSG check by (in factory mode) altering 3320-13 to 5v and 3320-14 to 1 v
    this stops the code recurring and does not seem to have a detremental effect on copy quality until you can replace the sensors.

    However, the 401 does not seem to have this perameter and I dont have one in the shop to look thru the menu, annoyingly the machine is 1.5 hours drive away, and I need to have the info to hand. Long term the thing is to change the sensor array, but I cannot lay my hands on one quickly - I would just like to get the customer working.

    Any info would be welcome...
    Kind Regards

    Steve
    Last edited by Vintage tech; 06-19-2023, 10:55 AM. Reason: typo on model type (401 not 400)
    Tags: code, factory, info, sensor, sensors
    • luca72
      Field Supervisor

      1,000+ Posts
      • Oct 2017
      • 1673
      #2
      Re: MPC401 sc400 issues...

      Originally posted by Vintage tech
      Hi out there,
      I know there has been some info about this before, but here goes...

      I have an MPC 400 that has thrown an SC400 (ID sensor error). I cleaned the sensors thoroughly and re installed them and all was ok for a day and then the code returned.

      I know that on the MPC307 - 45/5503 and 04 ranges there is a work around in factory mode to widen the perameters of the VSG check by (in factory mode) altering 3320-13 to 5v and 3320-14 to 1 v
      this stops the code recurring and does not seem to have a detremental effect on copy quality until you can replace the sensors.

      However, the 401 does not seem to have this perameter and I dont have one in the shop to look thru the menu, annoyingly the machine is 1.5 hours drive away, and I need to have the info to hand. Long term the thing is to change the sensor array, but I cannot lay my hands on one quickly - I would just like to get the customer working.

      Any info would be welcome...

      Kind Regards

      Steve
      I understand you, 1.5 hours by car is not the best, I see in the manual that there is a "shutter" so it may have movement problems in covering/uncovering the sensors, it may be possible to eliminate it (?), also bring a group full itb unit for security
      "loneliness is an invention of the white man, when we are alone we talk to everything around us, we are never alone" (Ojibwa)

        Comment

        • anothertech
          Service Manager

          Site Contributor
          1,000+ Posts
          • Nov 2007
          • 1755
          #3
          Re: MPC401 sc400 issues...

          I had this same problem. Finally got it to go away for good by cleaning the sensors with Brillianize anti-static window cleaner.

            Comment

            • TonerMunkeh
              Professional Moron

              2,500+ Posts
              • Apr 2008
              • 3869
              #4
              Re: MPC401 sc400 issues...

              On the 401 that setting is in special service mode, inexplicably.
              It's 106 miles to Chicago. We've got a full tank of gas, half a pack of cigarettes, it's dark and we're wearing sunglasses.

              Hit it.

                Comment

                • slimslob
                  Retired

                  Site Contributor
                  25,000+ Posts
                  • May 2013
                  • 36689
                  #5
                  Re: MPC401 sc400 issues...

                  Originally posted by TonerMunkeh
                  On the 401 that setting is in special service mode, inexplicably.
                  Ricoh has a habit of doing that with codes that are useful. Often putting them in Factory mode.

                    Comment

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