Brother MFC 8500 All-In-One Laser Printer "fix black line copy" Questions

Black lines down on printed page When I copy a document using the automatic document feeder, I get couple parallel black lines down, close to each others on the printed page. When I copy a page from ...

...black line on it, YOUR SCANNER is definitely the cause, and there is probably ink or correction fluid on your scanner glass, or possibly dirt UNDER the glass. The mark on the scanner may be only a ...

black line showing up on the left sized of my paper that goes up and down across the copy. Nothing shows up when I print directly from the computer though. Can't figure out how to fix it. there is

...copy of something or if I receive a fax. It started out that there were only white vertical lines going through the paper so I changed the toner and the drum unit, and now the white lines are still ...

...fix the corona wire. Here is a link to Brother's website outlining the process (clean corona wire). What you need to do is pull out the drum and look for a blue tab on the top of the cartridge. Slide ...

Printing blank pages I have looked over all of the similar problems and went through the fixes (cleaning) multiple times. I have a brother MFC 420cn machine. Not connected to anything. Just use it to ...

black line down the right margin of the page. scanner glass is clean and no white out or paper stuck over the glass. ?could this be scanner lamp failure? ?can this be fixed? Have you tried a new toner

...black stripe on the right side of the page. What is causeing this? If the problem appears when printing a page from the computer, it is most likely a bad drum unit in the machine. The only way to fix ...

...black line down the middle can anyone help The first thing I would try is to fix the corona wire. Here is a link to Brother's website outlining the process (clean corona wire). What you need to do is ...

black line when scanning, ( not when printing)how do i fix it This is commonly caused by a mark on the scanner plate. If you place your document to scan on the scanner plate (Lift the lid and place it