Cleaning the Corona Wire

http://d3nevzfk7ii3be.cloudfront.net/igi/GsDPdRkCQ4BMvbco Nathan Ruiz 5 to 10 minutes Easy Brother HL-5240

If you have print quality problems, clean the corona wire.

An awesome member of our community made this guide. It is not managed by iFixit staff. Removing Drum Unit and Toner Cartridge Press the front cover release button. Press the front cover release button. Keep the button pressed and pull the cover toward yourself. Keep the button pressed and pull the cover toward yourself. http://d3nevzfk7ii3be.cloudfront.net/igi/fCrXaIevVka12A4D With the front cover in the downward position, the drum & toner unit will be visible. With the front cover in the downward position, the drum & toner unit will be visible. Grab the black-and-yellow handle on the unit. Lift unit up and pull it out of the printer. Grab the black-and-yellow handle on the unit. Lift unit up and pull it out of the printer. http://d3nevzfk7ii3be.cloudfront.net/igi/udiuhcbCiOppbWWD http://d3nevzfk7ii3be.cloudfront.net/igi/TKIADHFDp3Ft14TL http://d3nevzfk7ii3be.cloudfront.net/igi/VTAOtxQOOvObMBGY Clean the corona wire inside the drum unit by gently sliding the blue tab all the way to left and then back to the far right. Repeat several times. Clean the corona wire inside the drum unit by gently sliding the blue tab all the way to left and then back to the far right. Repeat several times. Make sure the arrow on the tab lines up with the arrow on the drum unit before you place it back into the printer. If the tab is in the wrong place, a vertical line might appear on future print jobs. Make sure the arrow on the tab lines up with the arrow on the drum unit before you place it back into the printer. If the tab is in the wrong place, a vertical line might appear on future print jobs. http://d3nevzfk7ii3be.cloudfront.net/igi/GsDPdRkCQ4BMvbco http://d3nevzfk7ii3be.cloudfront.net/igi/1uqpCAuW3Gya3atY http://d3nevzfk7ii3be.cloudfront.net/igi/GunvjjGjlShmoAEj

To reassemble your device, follow these instructions in reverse order.