2M4/2M5/2M6/2M7
2-1-5
2-1-3 Developer section
The developer unit consists of the sleeve roller that forms the magnetic brush, the magnet roller, the devel-
oper blade and the developer screws that agitate the toner. Also, the toner sensor (TS) checks whether or not
toner remains in the toner container.
Figure 2-1-6 Developer section
.
Figure 2-1-7 Developer section block diagram
1. Developer roller
2. Developer blade
3. Blade magnet
4. Developer screw A
5. Developer screw B
6. Developer case
7. Toner container
8. Toner sensor (TS)
MPWB
HVPWB
YC13
TS
YC6-2
TONER SENSOR
RPWB
YC14
Developer unit
Developing bias
output
Developer roller
B