Question about Brother MFC-7820N All-In-One Laser Printer

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MFC-7820N error 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.

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There is a little black lever in the middle that needs to be re inserted properly. (like a little black stick in the middle.  Needs to slide to the left or right.   See more of this one the site.   It solved it for me.

Posted on Mar 13, 2009

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Back cover open close the back cover


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 the printer read the instructions from here: http://welcome.solutions.brother.com/BSC/public/us/us/en/faq/faq/000000/000600/000096/faq000696_001.html?reg=us&c=us&lang=en&prod=mfc7420_all&Cat=11

Dec 03, 2010 | Brother MFC-7820N Printer

1 Answer

MFC 7820n 'close back door error'


Hello Daysinn,

The "back cover open" message is usually caused by a paper jam inside the printer.
Follow these steps to rectify the problem.

1. Unplug the power to the printer.
2. Open the back and front cover.
3. Remove the drum and toner, this may be difficult because it may be stuck; don't be afraid to pull hard, you wont break anything.
4. Check for any foreign objects, most likely a peice of paper.
5. Reinstall the drum and toner.
6. Make sure to close the front and back covers.
7. Turn the power back on.

If the message stays after all this, there may be a sensor not working.

Thanks,

Pat

Mar 25, 2010 | Brother MFC-7820N All-In-One Laser Printer

1 Answer

Brother (photocopier, fax and scanner machine) says << back cover open. close back cover>> but the back cover (or at least what i think is the back cover) is closed. I even opened and closed it...


I have fixed this problem on my 7820n printer by brother.

open the back door, then inside there will be a black colored other kind of like door that pulls back away from the roller. on this inner door is a black long thin plastic lever that runs from about the center of the inner door to the right. on the right end of it is a lever that slides along a curved increase on the right side wall. when both doors are closed this right end of the rod or lever moves up to close the gap between what is the sensor. this long thin plastic rod had snapped out of place and when i snapped it back in making sure the spring was correctly installed on the left end of it and the middle part of the rod slid correctly in its groove...the right end of the lever correctly closed the gap on the sensor (when both doors are closed) and the back door open error went away.

So that's how you really fix it!!!!

James Hilliard - Totally super awesome guy! hee hee

Oct 27, 2009 | Brother MFC-7820N Printer

1 Answer

Back door wont close


First Isolate whether it is the Side Door or their is a door on the rear make sure that isn't open.
What I would do is Physically open and re-close all doors again the tabs and sensor get sticky after awhile. If not you could have a BAD sensor door switch.


Sep 14, 2009 | Brother MFC-7820N Printer

2 Answers

Back cover open error message MFC 7820N


Reseat inner rear paper guide to allow sensor to home correctly

Mar 09, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Back cover open message on brother mfc 7820n


Had same problem. Closer inspection revealed bit of paper out of sight. Removed the toner cartridge and worked to free torn paper. Then restart. Hope it helps.

Dec 15, 2008 | Brother MFC-7820N Printer

1 Answer

Back cover open message on brother mfc 7820n


http://www.fixya.com/support/t150137-one_more_person_back_cover_open_problem

Oct 24, 2008 | Brother MFC-7820N Printer

3 Answers

Back cover open message


I had the same error message. I also tried every compartment... Here's ultimately what my problem/solution was...

I turned the printer around and fully opened the back cover. I found that one of my kids had somehow fed a small piece of paper/cardboard into the printer. When I opened the back cover all the way I could see that obstruction (which I hadn't seen before). Pulled it out, and the error message went away. Works fine now.

Sep 02, 2008 | Brother MFC-7820N Printer

2 Answers

Toner life end message flashes


did you reset the toner life?

open the front cover, press the option button, on the screen will display ''reset toner life 1 yes 2 no ''
press 1 and close the cover.

toner life reseted

May 06, 2008 | Brother MFC-7820N Laser Printer

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