Optional Installation
C274 2-12 SM
2.3 OPTIONAL INSTALLATION
2.3.1 ADDITIONAL DRUMS
There are two types of drum units:
B4 size Color Drum: Color Drum Type 20 (M)
LG size Color Drum: Color Drum Type 20 (S)
1. Remove the protective sheet [A] from the drum unit.
2. Attach a color indicator decal to the drum case. The decal must be the same color as
the ink in use.
3. Remove the drum unit.
4. Leave the master wrapped around the removed drum to protect the drum from dust