- 141 -7. MaintenanceClean the LED head if vertical white lines appear, images are faded, or the periphery ofletters are smudged in the printouts.• Do not use solvents, such as methyl alcohol or thinners, because they may damage the LED head.• Do not expose the image drum to direct sunlight or strong light (approximately 1,500 lux or more). Even under roomlighting, do not leave the image drum for 5 minutes or more.1 Insert your finger into the recess on the right side of the machine and pull thefront cover open lever (1) to open the front cover (2) forward.2 Press the open button (3) and open the output tray (4).3 Wipe the four lenses of the LED heads with a soft tissue paper lightly.Cleaning the LED HeadBurns may result.The fuser unit is extremely hot. Do not touch it.
