- Remove the drum cleaning unit. (Drum Cleaning Unit Removal)
 - Remove the front cover [A] of the cleaning unit.
 - Remove the following five gears. Remove the E ring for the gear [A].
 - Remove the rear cover [A] of the cleaning unit.
 Remove the fixing screw on the rear side and separate the cleaning unit [A] from the lubrication unit [B].
- When installing the cleaning unit and the lubrication unit, ensure that the shaft of the cleaning unit is fit into the hole in the vibration plate [A].
 
- When installing the cleaning unit and the lubrication unit, ensure that the shaft of the cleaning unit is fit into the hole in the vibration plate [A].