Panasonic FP-7718 - Page 75

(6) Toner density sensor
14
IC10
13
1214
Developer unit
Toner density sensor
Toner density sensor output voltage
Approx. 2.5 V
Toner density control gain adjustment voltage
F6-21 = 0 (Approx. 6.5 V)
(0.033 V/1 step)
CPU P.C.B
8
6
CN7
3
5
3
1
RA17
2 1 96
IC1
IC12
DAC