Question about Brother MFC 7420 All-In-One Laser Printer
You have to check on the switch/sensor at the cover which detects if it is shut or not. Something may have been blocking it and may need cleaning or it could be the switch may have been disconnected to the board because of faulty wiring. If it all checks out, you may want to check on the board there may be a fried part.
Posted on Jun 19, 2009
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Posted on Jan 02, 2017
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