2M4/2M5/2M6/2M7
2-1-4
2-1-2 Drum section
The drum section consists of the charger roller, drum and cleaning section. The drum is electrically charged
uniformly by means of a charger roller to form a latent image on the surface. The cleaning section consists of
the cleaning blade and the drum screw which remove residual toner from the drum surface after transfer. The
eraser lamp (ELPWB) consists of LEDs and removes residual charge on the drum before main charging.
Figure 2-1-4 Drum section
Figure 2-1-5 Drum section block diagram
1
2
3
4
6
5
1. Drum
2. Charger roller
3. Drum frame
4. Cleaning blade
5. Drum screw
6. Eraser lamp (ELPWB)
MPWB
HVPWB
ERASER
YC20-2
YC13
Drum unit
ELPWB
Main charger output
M