P-31 Error Bizhub C451/550/650

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  • leonardob
    Owner/Tech/Sales/Crazy

    Site Contributor
    50+ Posts
    • Apr 2014
    • 50

    #1

    [Error Code] P-31 Error Bizhub C451/550/650

    Hi all ,

    We have a handful of these machine on the field , they still under contract for +/-6 to 8 months , several of them are displaying the P-31 error . Machines are working and print quality is correct

    I'm not very inclined to change the whole units at the end of the contract , on the other hand I'm afraid that the engine goes down and I have a bigger issue with the customer.

    Does anyone knows a work around without replacing the whole Drive Unit ?

    Tks,

    Leonardo
    Leonardo B. Brentar
    Managing Director

    Clear Image Technology, SLL.
    P.O. Box – 112720
    Blue Tower – Office 206
    Sheik Zayed Road
    Dubai
    United Arab Emirates
    Phone: +971 4 354 4408
    Fax: +971 4 379 7916
  • ivovb
    Senior Tech

    500+ Posts
    • Apr 2008
    • 695

    #2
    Re: P-31 Error Bizhub C451/550/650

    Did You try clean the sensors? It works to me several times. Lazy way - use compressed air. More reliable - disassemble and clean using soft cloth or cotton swabs. You can disassemble just sensors not the whole drive unit but You must extremely careful not brake step wheel. There is only one right position of wheel to remove only sensors...

    BR
    I'll never ask if I didn't check user manual, service manual, parts list, BSI/TNI/TAD... web, existing threads.

    Comment

    • allan
      RTFM!!

      5,000+ Posts
      • Apr 2010
      • 5462

      #3
      Re: P-31 Error Bizhub C451/550/650

      The K PC works with an encoder if its very dust the sensors and the encoder would become dirty and give that error. Cleaning that sensors and encoder disc would probably fix the problem. The sensors is used to match the surface speed of the bigger K PC with the smaller CMY PC's. Your color registration could be out as well.

      Switch the machine off and open the front door.
      goto sensor check and close the door to let the machine stabilize, check the sensor values for PC45 and PC46 while the machine is stabilizing. The values must change if it does not change the sensor is shot.

      Allan
      Whatever

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