Konica Minolta C452 giving error code p21

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  • gr8copy
    Junior Member
    • Feb 2014
    • 9

    #1

    [Error Code] Konica Minolta C452 giving error code p21

    I have a Konica Minolta C452 that is giving an error code p21. This happens when trying to print large PDF files (about 150 pages long); the copier will print about 15 pages and then come up with the p21 error. According to the service manual this error code is a "color registration test pattern failure", but does not explain what this means or how to fix it. P21 is the only error code that is coming up. Can anyone help me to figure out what I need to do to correct this error?
  • Kidaver
    Ghoulscout

    500+ Posts
    • Apr 2011
    • 912

    #2
    Re: Konica Minolta C452 giving error code p21

    Could be a number of things...one of your image units going bad....transfer unit going bad...or a sensor that reads the color registration pattern going bad...do some color band test prints and see if you have any copy quality issues and trouble shoot from there...
    "In a cruel and evil world, being cynical can allow you to get some entertainment out of it."

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    • habik
      Service Manager

      Site Contributor
      1,000+ Posts
      • Apr 2010
      • 2013

      #3
      In the service manual page--- says : Do ... Then if not that do ... Otherwise follow kidavers advise


      Sent from my iDon't believe in marketing device using Tapatalk
      .OK Google! ... will I need Berrocca this morning?
      Firmwares HERE

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      • Hansoon
        Field Supervisor

        Site Contributor
        2,500+ Posts
        • Sep 2007
        • 3374

        #4
        Re: Konica Minolta C452 giving error code p21

        In the service manual page--- says : Do ... Then if not that do ... Otherwise follow kidavers advise
        Huh??

        Hans
        “Sent from my Intel 80286 using MS-DOS 2.0”

        Comment

        • copier tech
          Field Supervisor

          5,000+ Posts
          • Jan 2014
          • 8132

          #5
          Re: Konica Minolta C452 giving error code p21

          Start by cleaning the IDC sensors.
          Then check the image unite life & check the transfer belt life, most likely the transfer belt if over 500k
          Let us eat, drink, and be merry, because tomorrow we may die!

          For all your firmware & service manual needs please visit us at:

          www.copierfirmware.co.uk - www.printerfirmware.co.uk

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