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In this video we are going to show you how to clean the Corona Wire in a brother HL3070CW
or similar model printer. Open up the top of the printer and remove the first drum toner
cartridge unit. There is a green tap on the left side of the drum toner cartridge unit.
Press down on the green tab and slide it back and forth across the unit. Repeat this 5-10
times to clean the Corona Wire. Return the tap back to its original position. Be sure
to slide the tab until you hear the click. Repeat the process for the remaining three
cartridges. This process needs to be repeated every time you replace a toner cartridge.
Insert the cartridge back to the printer. Close the cover and the printer is ready for
use. For more information please visit us at www.tonerparts.com