Developer Section - Olivetti PG L2140 Service Manual

2-1-3 Developer section

The developer unit consists of the developer roller that forms the magnetic brush, the developer blade and
the developer screws that agitate the toner.Also, the toner sensor (TS) checks whether or not toner remains in
the developer unit.
9
1. Developer roller
2. Developer blade
3. Magnet blade
4. Developer screw A
5. Developer screw B
EPWB
EECLK
YC2-1
EESIO
YC2-3
TSENS
YC2-6
TMOT
YC2-15
MMOTCW
YC4-1
MMOTRDYN
YC4-2
MMOTCLKN
YC4-3
MMOTONN
YC4-4
DLPCLN
YC5-2
HVCLK
YC19-7
BDCNT
YC19-8
BACNT
YC19-9
5 8 4
6 7
Figure 2-1-11 Developer section
DRRPWB
R-LPWB
6
5
MM
4
3
DEVSCL
HVPWB
Figure 2-1-12 Developer section block diagram
2-1-6
Service Manual
3
6. Developer case
7. Upper developer cover
8. Toner supply roller
9. Toner container
DRPWB
EECLK
YC2-2
EESIO
YC2-3
TSENS
YC3-2
TMOT
YC4-1
Developer bias
2
1
TS
CRPWB
TS
TM
Drum
Y 114940 - 1 Y 114940 - 1