Question about Brother MFC-7820N Printer

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I have just replaced the drum in a brother MFC-7820N, now all I am printing is solid black pages, can you help me please?

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Sounds like a defective drum, the corona wire could be broken, Brother will warranty for 90 days and you can exchange, if it's generic you should take it back and exchange it.

Posted on Sep 10, 2009

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2 Answers

Ghost printing


Hello,

You have a worn image drum. The drum is the part of the printer that the print image is created on before it transfers the toner to the paper. This part is coated with a very thin layer of Teflon so the toner does not stick. When it gets worn the toner starts to stick and that produces the shadow or ghost image approximately 3 inches down the page because the diameter of the drum roller is 3 inches. You will need to get the part DR-350, Office Depot has them as well as many places on the internet.

I hope this helps, if so please rate our solution.

Buddy
Corporate Computer

May 14, 2010 | Brother MFC-7820N Laser Printer

1 Answer

I have a brother mfc 7820N and it says there is dust on the drum. I have taken it out and blown on it, but I don't know what else to do. It won't print at all! Help!


there is a thin black wire that runs across the drum. Then at the very end of the wire there is a small plastic piece that you could move across the wire that should clean it out.

May 03, 2010 | Brother MFC-7820N Laser Printer

1 Answer

Prints a black streak whether I copy, or print, not dirty glass on Brother 7820N


Try cleaning the corona wire of the drum unit.

You need to open the front cover of the machine and remove the cartridge (drum and toner) On the top right there is a tab that you need to slide from left to right about 20 times, then bring back to home position

Apr 10, 2010 | Brother MFC-7820N Laser Printer

2 Answers

Brother says "Dust on Drum" wont print, and when does the page has two black lines down the middle


Yes some of dust have your printer drum unite.Open drum and clean it then solve your problem.

Nov 12, 2009 | Brother MFC-7820N Printer

1 Answer

Black lines vertical and horizontal on printed pages in addition to the persistant error message to change the drum I just found out how to re-set that. Does this sound like the fuser is going?


If the black lines are combination of thin and thick lines you really need to replace the drum instead of just resetting it.

Just examine the drum if there are scratches. (",)

Jul 31, 2009 | Brother MFC-7820N Laser Printer

1 Answer

Mfc-7420 Black Line horizontal across paper in 3 places


try moving the small blue slider on top of the drum cartridge side to side 10 times.

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

1 Answer

Brother printer that prints a black line down center


probably a bad drum cleaning blade, It's part of the drum unit

Feb 02, 2009 | Brother MFC-7820N Printer

1 Answer

Black stripe down middle of page when copying


open the top cover on the left hand side glass plateform with a narrow piece glass clean it with alcohol.

Dec 13, 2008 | Brother MFC-7820N Printer

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