Question about Panasonic FP-7735 Black and White Copier

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Panasonic FP 7742 Copier

Error Message reads

Machine error E3
turn power off/on -40


Turning the power off/on does not do anything. Still get the same message.

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  • innoniz Oct 15, 2008

    Machine error turn power off/on

  • Anonymous Feb 25, 2009

    SAME PROBLEM. :(

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Check drum and drum sensor. if the Drum cleaning blade (DCB) has failed and is smearing toner around the drum then the drum sensor can't see the drum. clean it with a brush. the sensor sits in the drum/ cleaning station.

Posted on Nov 05, 2008

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