Scanned images show streaks. What do I need to clean and how?
Optics, open up and just clean every thing you can get at, a streak, will be dust in optics, clean mirrors etc, if very fine lines on every thing, as you say laser printer, would be drum damage. just on scans dust. might need to take top glass plate off.
SOURCE: brother mfc-215c unable to clean?
The ink blotter in the bottom of the machine is full, this is a built-in redundancy. Machine needs to be completely stripped to replace this.
Buy another brand next time.
SOURCE: black dots on print outs from Brother Laser Printer MFC-9840CDW
meaning your printer drum is growing weak and will soon need to replace
SOURCE: Brother MFC-7420 just started printing a shadow image
Sounds like a bad drum cartridge. Pull the toner/drum cartridge out of the machine and set it down. Press down on a (blue?) tab to release the toner cartridge, and you can lift the toner cartridge out of the drum cartridge. There is a cleaning blade in there - a soft plastic blade that rides against the drum and scrapes off toner that didn't get transferred to the paper. If it gets stuck off the drum surface, images repeat a few inches (one drum circumference) down the page.
A new DR-350 drum unit should fix it. have the machine's power on when replacing it. While the door is open, touch the CLEAR key. The display will read "REPLACE DRUM?" or something like that. Press 1 for Yes.
SOURCE: My Brother MFC-9840CDW won't print color any more.
I assume you are running snow leopard on a MAC.
Please click on the link below and download and install file, this should resolve the issue.
Mac printer drivers.Brother printer drivers for Mac 10.6:
http://www.apple.com/downloads/macosx/apple/firmware_hardware/brotherprinterdriversformacosxv106.html
SOURCE: how do you turn off the drum alert after
Hi,I think this guys can have more helpful information about your problem.See this link:http://www.quikshiptoner.com/catalog/brother-mfc-9840cdw-toner-color-set.html#resett_drum_manualview More Info button to see how to install the Drum unit. Pay attentionthat after replacing a Drum unit in Brother MFC-9840CDW you have to reset thecounter. See steps 9, 10 and 11 for doing so.9) Close thefront cover, plug the power cable back in and turn on the printer.10) Press the Menu button,and then enter the number 84 to access the Reset Menu.11) Press the scroll keys until Drum is displayed and press OK.
I hope this can be helpful for you.
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