Brother MFC 7420 All-In-One Laser Printer "back message" Questions

Message: Back cover open. Close the back cover. It is closed but message keeps repeating. What do I do next? You might have to turn it off and turn it back on to reset the message. I have a Brother ...

message of back cover open If you turn the printer off and then back on with a paper jam in it you will get this error message instead of a paper jam message. To clear the paper jam from the back of ...

Message back. No Cartriage - lift cover and then reinstall. I reinstall the cartriage. Same message. No Cartriage. What can I do to fix this problem. Sorry you are having trouble. Try this: remove the

...back, the message went away and it worked for a day or two before the message came back. I have only had the printer for about 14 months, never had any problem before now. I don't see anything jammed ...

Back cover open message I keep getting a message that says BACK COVER OPEN. PLEASE CLOSE BACK COVER. I have looked all around this printer and I do not see anything open. I have tried everything. Open

...back cover open message. try pushing that tray up firmly against the back with the back cover open and see if the message disappears. If it does, try taping folded paper to the rails on inside of the ...

...message. To clear the paper jam from the back of the printer read the instructions from here: ...

...message. To clear the paper jam from the back of the printer read the instructions from here: ...

back cover open message will not go away... The back cover open message will not go away There is a paper jam in the machine which is blocking the sensor for the back cover. Remoev the drum and toner

...message: back cover open; close back cover. The back cover is closed but error message will not go away and I can not print. Thank you. There is a little black lever in the middle that needs to be re ...