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

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Message on brother MFC7420 "back door open" when it's not

Had a paper jam, removed the jammed paper but Brother MFC 7420
massage remains on and does not cancel or reset printer for normal operation

Posted by giac277 on

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2 Answers

Yuk-Wa Chan

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Actually, you need to double check the back cover and front cover, open them all to check all paper jam.
Besure to check the back cover, normally all paper jam is from the back.
be sure to close the front cover at the last cover to close.

Posted on May 29, 2009

  • elia sanchez Apr 27, 2013

    THanks, I was able to remove the paper from the back.

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Anonymous

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Open the top cover also and close it
then press start

Posted on Apr 01, 2009

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1 Answer

Paper jams brother mfc 7420


Paper Jams are routinely caused by bad roller in the printer. The Heat of laser printers can render these rubber roller pretty useless in a couple of years or less if you print often. If you have recently replaced the drum (according to the recommended print output number), Then If an $80 dollar roller + labor is worth it to you, go for it, otherwise buy a new printer and Brother gives the best ink value per page. hope this helps.

Jan 28, 2013 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Mfc-7420 says paper jammed/ and no feeding paper -all faulse messages-no paper there jammed


This is a huge problem, not only with the MFC-7420 printer, but literally every printer known to exist! The best way to solve this problem is to look at where the printer is connected. If it's connected to your computer, it may be trying to print something from there still, causing the information that the printer is receiving to become jumbled up and confused. I'm going to go step by step to try to help you out of your printer misery:

First: Unplug the printer from your computer entirely. Then unplug your printer's power source.
Second: Re-plug back in your printer's power source, and wait for it to turn on fully.
Third: Double check to make sure everything is working fine aside from the non-existent "paper jam."
Fourth: Re-plug back in the printer to the computer, and cancel all scheduled prints that are queued on your computer.
Lastly: Retry printing!

Hope this helps.
-Anonymity

Feb 24, 2011 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Brother MFC 7420 keeps saying - back cover open - close thre back cover? How do I reset the printer orf find the underlying fault?


First be sure you close the back cover and remove all the jammed paper. after that, turn off your printer for 1 min to see is it okie.

Jun 10, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

My MFC-7420 jams paper after each copy what is the problem.


First you need to clean up the drum and inside the printer.
after that if still jamming paper.
you better check all the rollers and check the drum unit.
if possible, please chang the drum and that should be working fine.

May 14, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Paper jams 1/2 way through drum/cartridge. Jams like an accordian, with 1/2 page printed. My printer is a Brother mfc 7420. About 2 years old.


Take the toner cartrige out, look around with a flashlight for a piece of paper or something that could jam the works. Check the movable tab that comes out of the front of the machine to hold paper up, maybe it has gotten crooked or something. Don't have anything in front of the machine to block the paper coming out. A can of compressed air can be used to blow the machine out.

Apr 12, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

MFC 7420 front paper jam


First you need to clean up your printer with duster and after thatn, check the toner and drum to see any paper jam or anything wrong,
Normally after you clean up the machine, should working fine,
if still not working, please replace the rubber roll.

Apr 06, 2009 | Brother MFC-7420 Printer

1 Answer

Brother mfc 7420 constant paper jam


need a little more info on this. does the paper look like it catches on something? is there any nicks or anything on the lead edge?

razors

Jan 07, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Paper jamming


tell me where it jams so that i may help you! brother tec

Dec 18, 2008 | Brother MFC 7420 All-In-One Laser Printer

2 Answers

Crinkled paper and jamming


Where is the paper jam ???? If you have a paper jam in the back of your printer it maybe the fuser unit.....Make sure thaht you don't have a little peace of paper somewhere in the paper path...

For your drum, did you reset the drum counter ????Normally the instruction for resseting the counter is in the drum box...

Mar 26, 2008 | Brother MFC 7420 All-In-One Laser Printer

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