Question about Brother MFC 7420 All-In-One Laser Printer

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Printer is bi-polar!

Keeps saying "change drum soon" even if we replace the drum, and keeps say drum error and is telling me to move blue tab side to side and i did. i switched the phone cord to a different hook up on the printer and it worked for a couple hours but now its messed up again. please help. im running a hotel and i need this printer to work so i can finish my paperwork.

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  • lisapappy Jan 07, 2009

    Keeps sayind Change Drum Soon and now saying dust on drum

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  • 8 Answers

Once you change the drum unit on these machines you must reset the printer. Turn on the machine, open the front cover where the toner is located, press the "option" button on the keyboard. You should see a message on the display that gives you an option to press 1 or 2. Press 1 to change drum. Close the cover and you should be reset.

Posted on Jan 02, 2009

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Posted on Jan 02, 2017

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