C451 Clicking Noise IU Area

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  • mrfuser
    Service Manager

    Site Contributor
    1,000+ Posts
    • May 2007
    • 1611

    #1

    C451 Clicking Noise IU Area

    Client tried pulling the black IU out and put back in thinking it was the toner, yep I know, duh. Now the machine makes a clicking sound from that area. Copies all look fine, just clicks like crazy.

    Any ideas?

    Thanks
  • tech51
    Senior Tech

    500+ Posts
    • Jan 2009
    • 846

    #2
    Re: C451 Clicking Noise IU Area

    Has the IU opened the toner supply trapdoor correctly?
    There should be a sort of flap on the IU that opens the toner supply trapdoor when the IU is pushed in.
    If the IU flap is missing, the toner supply doesn't open and the toner backs up causing the noise.

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