Question about Brother MFC-7820N Laser Printer

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It says close back cover? - Brother MFC-7820N Laser Printer

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Turn off your printer.
Open the back cover
Slam it shut - not hard enough to break it
Turn on printer
If you still have error, you most likely have a defective sensor for the back cover and will take a professional repair.

Posted on Apr 19, 2014

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Posted on Jan 02, 2017

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My printer error message is close rear cover how to fix it?


Check the rear cover on the back of the machine and make certain it's closed. I've found that sometimes a small piece of paper is stuck back there and causes this problem (I have a Brother printer). In any case, the back cover is not closed properly.

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When I change the toner, the LCD shows "back cover is open, please close the back cover" where is the back cover?


The back cover is located on the back of the printer at the bottom. You can find it by looking for two tabs on the right and left that if pushed will allow you to open a paper guide that has two white wheels on it. Open this guide and then close it again so that the system understands that it is closed. That should solve your problem.

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I had a paper jam and I had opened back cover to clear it. Now when I close it still says Back cover open. Close the back cover. What should I do? There is a black color flap inside the main back cover...


Just fixed the same problem. My solution was as follows: When you open the back cover there is another plastic flap/cover inside that drops. Across this 2nd cover there is a plastic rod running parallel with a plastic finger that sticks up perpendicular to the rod which I believe guides the paper into the roller.

On my machine this rod came out of line, placing it about a quarter inch to the left which affected the sensor and the guide. If you look closely, you will notice a small groove on the rod that needs to be in a specfic slot on the 2nd cover. Good luck

Jun 08, 2010 | Brother MFC-7820N Printer

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It says close back cover but back cover is already closed


Open the front cover and remove the drum and toner(cartridge) There should be a paperjam in the machine. It reads back cover open because the piece of paper is covering the sensor for the back cover.

Apr 19, 2010 | Brother MFC 7420 All-In-One Laser Printer

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Fax display says, close back cover even with back cover closed.


Open the front cover and remove the drum and toner(cartridge) There should be a paperjam in the machine. It reads back cover open because the piece of paper is covering the sensor for the back cover.

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Brother MFC-7220 says close back cover but it's already closed


Open the front cover and remove the drum and toner(cartridge) There should be a paperjam in the machine. It reads back cover open because the piece of paper is covering the sensor for the back cover.

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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.

Apr 01, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

I have a Brother MFC-7220 USB printer. It keeps telling me that the back cover is open ... and it is closed. Now I cannot use it. lease help. Thanks.


hte back cover has a little micro switch.
open the back cover, make sure there is nothing preventing from closing tight. close the back cover tight. if you have to, use tape to secure it.

Feb 11, 2009 | Brother Office Equipment & Supplies

1 Answer

Brother MFC-7420 Fax Scan Copy


Maybe there is broken at the back cover try to check again the back cover,inspect the cover very well .

Nov 09, 2008 | Office Equipment & Supplies

1 Answer

Close the back cover--but back cover is closed


The "sensor" is a simple switch, that is built into the printers backside, on the left hand side (seen from the front). A small plastic pin, that is screwed into the back cover, pushes this switch, when the cover is closed, but ...

The back cover mechanism is designed very poorly. The locking mechanism is on the opposit side of the printer. So cover is not held in position anywhere close to the sensor. This is causing the switch to "flicker" or to become "open" during operation.

Quick and dirty fix:
1) Ask you wife for one of these plastic kitchen sponges.
Any plastic sponge with a height of 6 to 8 cm (3 to 3.5 inches) will be fine.

2) Open the back cover. Standing behind the printer, on the top right inside of the cover, there is a small white pin fastened with one screw. Losen that screw a bit, pull the pin out as far as possible (to make it as long as possible) and fasten the screw again.

3) Close the back cover

4) Take the (dry !) kitchen sponge and push it into the gap between the top of the back cover and the bottom of the flatbed scanner. Still looking at the printer from the backside, it has to be in the right 30 percent of the cover. The sponge gives enough pressure to hold the cover down just a bit and this is the trick to solve that issue dirty but permanently ...

Regards, Michael

Dec 12, 2007 | Brother MFC-9420CN All-In-One Laser...

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