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Have a Brother MFC 7420




By coxmwc on Nov 08, 2009

" "
Have a Brother MFC 7420 multi function printer/copier. Keep receiving screen message "Back Door Open" can you help ?

Solution #1

posted on Nov 11, 2009
Not Rated)

fredtmccoyjr

Rank: Wiz 
Rating: 84%, 90 votes
There is a duplexer on the back. If it is not closed correctly or if the sensor is broken, it will say that.
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Solution #2

posted on Nov 08, 2009
Not Rated)

kaktus9

Rank: Wiz 
Rating: 82%, 47 votes
the sensor seems to be damaged, please change the sensor/contact technician if requied
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