Ricoh Aficio 450 Copier Logo
Anonymous Posted on May 07, 2007

Problem with Aficio 450 door cover sensors

A friend of mine is having trouble with his copier. On the message panel it is displaying: door covers open. close covers on relay. I have been over the machine checking all the door covers and even activating the sensors to try and get it to register they are closed but to no avail. Any ideas ? cheers in advance. Ray.

  • rsmcj Mar 12, 2009

    if this is a blown fuse situation, where would i find the fuse???

  • hnyirongo Apr 03, 2009

    all the fuse were checked and are ok

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2 Answers

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  • Posted on Sep 22, 2009
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I post a solution for this problem see: www.fixya.com/support/t2748127-false_door_open_reading_aficio_350

  • Anonymous Oct 27, 2009


    - Check the fuse FU1 y FU2 in the power supply board FU1 display open door Without
    saying as
    .





    Comments:


    Aug 22, 2009 - The flat cable of the
    laser also can cause the fault of open door,


    cut or badly connected this also it can be indicate door opened without indicating
    as.

    El
    cable plano del laser cortado o mal conectado, tambien puede provocar
    la falla de puerta abierta sin indicar cual de ellas está abierta.








    Oct 18, 2009 - For that
    they visit this post… nothing costs to be thankful…




  • morris akama Jun 16, 2017

    Morris akama from Nairobi Kenya.Thanks doc, very helpful.

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  • Posted on May 08, 2007
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First check the small door below the duplex unit on right side, if that is closed porperly and all others are also, it could indicate a blown fuse condition.

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