Question about Brother MFC 7840W Printer
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Posted on Jan 02, 2017
SOURCE: Pls Clean Drum
The drum is the larger plastic unit that slides out an the toner cartridge fits into it. The corona wire is the very fine wire at the front top of the drum. Just slide the little cleaning tab back and forth.
Posted on Aug 03, 2008
Dear sir you see properly drum unite has a drum image sensor its demage so you change your copier drum unite, thanks.
Posted on Nov 22, 2009
Open the front door and remove the Drum unit.
On the top of the drum unit, to one side, you should see a small blue knob, mounted into a slot. This is the Corona cleaner.
Slide it back and forth a few times, and make sure you return it to the original position.
Put it back together and try it out.
Posted on Dec 07, 2009
Hi, Sorry my english is poor, but i will try:
you have to say to your machine that you change the drum, open the front end, and pull out the drum , and insert it, but before you close the front end, push the clear/back button, and answer yes,...thi is it :-)
Posted on Dec 08, 2009
This will solve most "Toner End Life" message problems when you know that there is toner still in the cartridge.
1. Remove the toner assembly by opening the top scanner lid, then pull(tilt) open the front panel, and pull out the toner assembly by gently grabbing the tabs and pull out with an upward motion. The toner cartridge(grey color) and the toner holder assembly (black color) will come out.
2. At the top rear of the assembly you will find a square green tab that can be slide along lengthwise of the toner. Just slide it back and forth fully several (5 to 10 times) times. I carefully blow on it as well(no spitting!) while sliding it.
3. Put the assembly back into the printer, Close the front cover, and drop the scanner cover.
4. Whala ! (usually), actually this has worked everytime for my brother and myself.
Posted on Feb 14, 2010
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