Clean the Duplex part using the procedure detailed below if it becomes dirty.
Open the Front door.
Set the Main power switch to ON.
Set the Sub power switch to ON.
Turn Lever [M1] counterclockwise down. Hold Lever [M1] and pull out the Duplex part.
If the power is switched ON while the Front door is closed, the temperature inside the Fusing unit will become high. If this happens, wait until the temperature drops before continuing to clean.
Set the Sub power switch to OFF, and then set the Main power switch to OFF.
Wipe clean the top of the Duplex part using a lint-free, non-woven cloth. Wipe in the axial direction.
Do not use alcohol to clean.
Open Cover [M3].
Wipe clean the paper feed path and roller in the Registration unit using a cleaning-alcohol-impregnated soft cloth.
Close Cover [M3].
Open Cover [M2], wipe the paper feed path clean using a soft cloth, and then close Cover [M2].
Open Cover [M9], wipe clean the paper feed path and rollers using a soft cloth, and then close Cover [M9].
Push the duplex part into the machine, return Lever [M1] to its home position, and then close the Front door.
Cleaning is complete.