Ricoh Pro C900 Replacement Manual page 30

Procedure
1. Open the left and right front covers, open the hopper cover, and then remove
the front top cover. (See "REMOVING THE FRONT TOP COVER".)
2. Remove the charge corona unit. (See "REMOVING THE CHARGE CORONA
UNIT.)
3. Remove the drum cleaning unit. (See "REMOVING THE DRUM CLEANING
UNIT".)
4. Turn the drum lock nut (1) counterclockwise, and unlock the drum unit.
5. Rotate the drum unit using its handle (1) as shown below, and then carefully
pull out the drum unit.
1
1
29
RPG063
RPG034