Question about Brother MFC 7420 All-In-One Laser Printer
My 7420 was working fine until I got the famous "rear door open" error message after a paper jam. I fixed the jam. But now the router will not communicate with the printer.
I unplugged the network cable from the printer and plugged it my laptop and the router connection LED immediately lights up confirming a good connection. I reconnected the network cable to the printer and the LED goes off on the routher and stays off. A cable diagnostic test using the builtin feature of the router reports that the network cable is not plugged into anything.
I unplugged the cable from the printer and inspected the inside of the network port for bent pins. Nothing there and if I plug the cable back into my laptop the router reports the cable as fine.
This just seems wierd after a paper jam.
Any suggestions where I can go from here. Thanks.
Open the back door.
Pull down the black rear chute the exposes the fuser (opens just like the door)
In the middle you will see a black piece of plastic that is a paper sensor. In the middle of the rod that that piece is on there is a flag that sticks down through a slot. This piece is off and out of position, snap it back in so the flag is through the slot and the rod and pieces rotate freely.
That will FIXYA!
Posted on Jan 15, 2009
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Posted on Jan 02, 2017
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