C446 for e-856

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  • lenatec
    Technician
    • Oct 2011
    • 46

    #1

    [Error Code] C446 for e-856

    Toshiba e856 give c446 when wake up from energy saver after heavy work, l replaced the heater unit and switch of the Fuzer ; after that replaced the logic board , It work good for two days and already the error c446 and c447 , after that replaced the power supply ; plz what is the problem?
  • blackcat4866
    Master Of The Obvious

    Site Contributor
    10,000+ Posts
    • Jul 2007
    • 22927

    #2
    Re: C446 for e-856

    So you've replaced the heater, fuser push switch, and logic board. Correct?

    There are quite a lot of things that can cause that code. First, I would put my meter on resistance, and check whether the fuser push switch closes to zero ohms when the drawer is closed. Often, the ear on the fuser does not push the switch plunger far enough to get good connection, I've heard of techs lengthening the ear on the fuser. I prefer to shim the switch a bit closer to the fuser with some recycled control panel stickers.

    eS856 push switch.JPG

    Some other possibilities are damaged modular fuser connectors (back of fuser or frame), lower drawer connector (back of drawer or frame).
    =^..^=
    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.
    5) You are the person onsite. Only you can make observations.

    blackcat: Master Of The Obvious =^..^=

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    • vodo
      Technician
      • Dec 2016
      • 36

      #3
      Re: C446 for e-856

      Originally posted by lenatec
      Toshiba e856 give c446 when wake up from energy saver after heavy work, l replaced the heater unit and switch of the Fuzer ; after that replaced the logic board , It work good for two days and already the error c446 and c447 , after that replaced the power supply ; plz what is the problem?
      Why don't you replace fuser thermistor?

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