My Brother MFC-7340 squeaks very loudly when printing. Is there any way to prevent this from happening (any place to oil)?

SOURCE: BROTHER MFC-7340 DRUM ERROR PROBLEM

Commonly caused by High voltage discharge or arcing from a dirty primary charger corona and grid.

You need to clean your drum unit.

Open the front door and pull out the Drum unit.

Look on top of it for a small (usually) blue slider, sitting in a 10mm slot that runs the length of the Drum unit. This is the corona cleaner.

Slide this back and forth about 6 times, ensuring you return it to the original starting position.

Reinstall the Drum unit and try printing.....

SOURCE: How to take out brother tn 330 toner

You open the front door and pull out the drum and toner assembly and then press the blue lever to release the toner from the drum, place the new toner in the holder and install both together into the machine.

SOURCE: Need service manuals

You can access all of Brother's printer manuals online at their website in .pdf for free. Just go to http://www.brother-usa.com/manuals/default.aspx?PGID=5&R3ModelID=DCP165c and find your printers; you don't even have to download them.

SOURCE: Drum error brother mfc 7340

hello

you may have to replace or CLEAN the drum.. go to this link below to help you

http://welcome.solutions.brother.com/bsc/public/us/ca/en/faq/faq_list.html?reg=us&c=ca&lang=en&prod=mfc7340_us_as&Cat=7

clean = http://welcome.solutions.brother.com/BSC/public/us/ca/en/faq/faq/000000/002200/000056/faq002256_004.html?reg=us&c=ca&lang=en&prod=mfc7340_us_as&Cat=7


replace = http://welcome.solutions.brother.com/BSC/public/us/ca/en/faq/faq/000000/000100/000054/faq000154_039.html?reg=us&c=ca&lang=en&prod=mfc7340_us_as&Cat=7

hope this served you well !

SOURCE: I have MFC-7340 Brother Printer but I have

Open the front cover.
Press the clear/back button.
It'll ask if you want to replace the drum, but ignore that and just press *11 quickly. It should say "Accepted" on the LCD. Close the cover and it should work.