6-34
FS-1900
6-1-5 Assignment of circuit board connector pins
When measuring voltage or signal of circuit board installed in the printer, refer to the pin assignment
figure below. For further information of each pins and other circuit board, refer to section Appendix
A Wiring diagram on page A-20.
Figure 6-1-1 Assignment of circuit board connector pins
Power supply unit
Engine board
Engine board
High voltage unit
CN2
YC902
3
1
Power supply unit
1
8
1
118
21
22
2
Engine board
YC203
YC204
YC833 YC831
312
Fuser board
18
YC206YC209
33
34
Engine board
1
1
42
Fuser board
1
9
CN1
CN2
High voltage unit
1
9
1
2
18
17
[Solder side]
[Parts side]
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