Ricoh DD 4450 - Drum Maintenance; Drum Maintenance Preparation; Cloth Screen Replacement

Drum
C279 4-58 SM
4.10 DRUM
4.10.1 PREPARATION
Before attempting any of the procedures in this section, wipe off the ink around the ink roller. To do
this, set SP2-10 (ink detection board) to OFF, and feed paper until ink ends.
After finishing the required procedures in this section, do not forget to return SP2-10 to the default
(Ink detection board ON).
4.10.2 CLOTH SCREEN
 Remove the drum.
1. Remove the drum upper bracket (
× 4).
2. Release the stopper [A], then rotate the drum until the master clamper faces top.
3. Remove the cloth screen [B] (
× 4).