QMS Magicolor WX User Manual page 162

6 Using dry cotton cloths, wipe the metal register roller and
the rubber register roller in the transfer unit door assembly.
Rotate these rollers to clean all sides with the cloth to remove
paper dust, toner buildup, and other debris.
7 Wipe the transfer roller located just below the transfer drum.
Rotate this roller to clean all sides with the cloth to remove paper
dust, toner buildup, and other debris.
8 Close the transfer unit.