
FO-4970U
1
2
6
4
3
5
BDEFG
I
HCA
BDEFG
I
HCA
1
2
6
4
3
5
D1G
R1G
51
PQ1
VR1
200K
PJ1G
4
5V
PJ1G
3
TONER QUANTITY SIGNAL
PJ1G
1
GND
PJ1G
2
LED RADIATION
Note: Since the parts of this PWB cannot be supplied, change it as a unit.
Toner Empty PWB parts layout
[7] Toner Empty PWB circuit 1/1
6 – 31
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