Question about Brother MFC 6800 All-In-One Laser Printer

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MFC-6800 prints very very dark as printer gets warmer

The first few pages look excellent but as the printer gets warmer the printed page gets darker and darker. This happens every time. After it cools for an hour the quality is again excellent.

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  • stephenmagnu Feb 15, 2009

    I have the same problem with the brother MFC 4800

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It sounds to me that you are not using paper that is for Laser printers. Sounds like you have what is called thermal paper. If you hold a piece of this paper over a light bulb and it turns dark then it is thermal paper. Try using paper for laser printers only.

hope this helps

Posted on Apr 30, 2009

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1 Answer

Brother MFC-6800 1. Prints with 3/8" blank vertical line down the entire page; 2. Prints with a couple of 1/16" blank vertical lines down the entire page; 3. Prints with some gray shadow...


This solution is unconventional but it worked for me. The black roller on my MFC had irregularities on it and was creating horrible printouts. I pulled out the drum and cartridge and cleaned the large black roller. I used furniture polish to make the roller very smooth. Now it prints really nice.

Nov 29, 2010 | Brother MFC 6800 All-In-One Laser Printer

1 Answer

When printing with my Brother MFC, the pages are dark.


Did you change the toner cartridge with a new genuine oem cartridge?
Do a report print <settings> page from the menu and check the 'Drum life' Bar graph. If close to, or at 0%, get a new Drum unit

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

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Black line down the right hand side of prints


it may have had a dirt inside that may have been causing the lines. try cleaning with a soft dry cloth then try to print. reseat first the toner before you clean or wipe with a soft cloth

Sep 23, 2009 | Office Equipment & Supplies

2 Answers

Printer prints blank pages from notepad, word, and excel.


Hi tim8094

Obviously there is nothing wrong with the printer, because you are able to print from the Internet.

Before attempting to print from word, excel etc, make sure you have the correct printer selected (check it through FILE MENU -> PRINT ->PROPERTIES)
Do a print test by typing just couple of words -may be in different color-
Best of luck
luciana44

Sep 22, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Feeds multiple pages


Normal 0 Driver could be corrupt.
Disconnect the printer or at least be sure it is turned off. I'd do both and reinstall the CD software program that came with the printer. When the software program asks you to connect the printer to the USB port, do so and it should again work properly.
Hope this helps. Bud

Jan 26, 2009 | Brother MFC 6800 All-In-One Laser Printer

1 Answer

Samsung ml-2010 printer prints vertical lines on the page


it may due to scearch on roller. check the roller for any scearch mark.

Dec 23, 2008 | Samsung ML 2010 Laser Printer

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Brother MFC 6800 printing blank pages after fuser, toner, and drum was changed


hi
i have the same problem after replace the fuser
the problem is in the little board ,where all the connectors are on
the , 7812a , a positive voltage regulator ,was loose ,

only resoldering and ok..!

excuse my english, i write from el salvador , im really never speak english, but i just try to help
reggards..!

carlos c.

Apr 07, 2008 | Brother MFC 6800 All-In-One Laser Printer

1 Answer

Prints have a dark shade


Test page printed properly. Don't know what to look for in the test page or the applications. the cartridge was changed recently

Feb 24, 2008 | Brother MFC 9700 All-In-One Laser Printer

1 Answer

Problem when printing


Have you changed out the drum? Sound like a drum problem

Feb 12, 2008 | Brother MFC 6800 All-In-One Laser Printer

1 Answer

Brother MFC6800 not printing


To answer more effectively - how is the printer connected to the iMac? Is it a USB connection, a printer cable, is the MFC 6800 connected to a print server, an AirPor, etc? A second question I have is if you are trying any kind of tricky printing such as manualduplex printing.

Also, a shot in the dark...Is the Auto Reduction set to on or off? To check:
1. Press MENU/SET, 2 (Fax), 1 (Setup Receive), then 4 (Auto Reduction).

2. Press the up or down navigation key (keys located above and below the
MENU/SET key) until the display shows "Reduction: ON?".

3. Press MENU/SET.

4. Press STOP/EXIT.

Another item to keep in mind:
You can use three sizes of paper for printing your faxes and
copies---letter, legal and A4. When you change the size of paper you ha
ve loaded in the Brother machine, you need to change the setting for the paper size so your Brother machine can fit the incoming
fax on the page. To set the Paper Size:

1. Press MENU/SET, 1 (General Setup), then 1 (Paper Size).

2. Press the up or down navigation key to select LETTER, LEGAL, or A4.

3. Press MENU/SET.

4. Press STOP/EXIT.


Nov 20, 2007 | Brother MFC 6800 All-In-One Laser Printer

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