- Open the right door.
 - Remove the right clip ring and connector on the rear side.
 - Open the paper transfer roller unit. (Paper Transfer Roller Unit)
 Remove the left clip ring at the front side, and remove the paper transfer roller unit [A].
- Note that the sizes of the clip ring differ on the left and right.
 
- When attaching a paper transfer roller unit, first attach the bushings [A] to the paper transfer roller unit.