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Brother MFC 4800 print quality problem

Brother MFC-4800 has poor print quality like I'm running out of toner but the toner is new no help on brothers support site

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  • Anonymous Jun 16, 2008

    print quality is not clear .

    hard to read middle of page

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  • 123 Answers

I would try cleaning the drum unit.
Take the drum unit out of the printer.
They recommend that you place the drum unit on a drop cloth or large piece of disposable paper to avoid spilling and scattering toner.
1. Carefully turn the drum unit upside down.
2. Clean the primary corona wire inside the drum unit by gently sliding the tad from right to left several times. (Be careful with the corona wire they are delicate.)
3. Return the tab to the Home position before reinstalling the drum unit. (If you do not position the tab at the home position, printed pages may have vertical lines.)
4. Re-install the drum unit.
5. Close the top cover.
6. Plug in the power cord.


Hope this helps.
Good Luck.

Posted on Apr 09, 2008

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