Brother HL-3450CN Service Manual page 123

CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS
14) ECN1: MCTL PWB - IOD1 (22 pins)
Pin No.
10
11
12
13
14
15
16
17
18
19
20
21
22
15) ECN16: IOD2 - Developer Clutch (C)
Pin No.
16) ECN15: IOD2 - Developer Clutch (M)
Pin No.
(17) ECN14: IOD2 - Developer Clutch (Y)
Pin No.
Signal
1 DCL(C) ON-P
2 DCL (M) ON-P
3 DCL (Y) ON-P
4 DCL (K) ON-P
5 PSL (KY) ON-P
6 PSL (MC) ON-P
7 MMCLK
8 MMON-N
9 MMREV-N
MMENC
RECLON-P
AHUMB
ISCK
IDATA
ILOAD
FBCLON-P
FBSLON-P
TRSLON-P
OZFANON-P
FUCLON-P
PKCLU1ON-P
PKCLU2ON-P
Signal
1 +24v-1
2 NC
3 DCL(C) ON-N
Signal
1 +24v-1
2 NC
3 DCL (M) ON-N
Signal
1 +24v-1
2 NC
3 DCL (Y) ON-N
18) ECN13: IOD2 - Developer Clutch (K)
Pin No.
1 +24v-1
2 NC
3 DCL (K) ON-N
19) ECN3: IOD2 - Home Position Sensor1
Pin No.
1 +5v-D
2 GHPSEN1-N (MC)
3 SGND
4 +5v-D
5 GHPSEN2-N (KY)
6 SGND
7 PSL (MC) ON-N
8 +24v-1
9 +24v-1
10 PSL (KY) ON-N
11 NC
20) ECN9: IOD2 - Fuser Clutch
Pin No.
1 +24v-1
2 NC
3 FUCLON-N
21) ECN11: IOD2 - Cleaner Clutch
Pin No.
1 +24v-1
1 NC
2 FBCLON-N
22) ECN5: IOD2 - Ozone Fan
Pin No.
1 OZFANON-P
2 PGND
3 OZFANERR
23) ECN6: IOD2 - Registration Clutch
Pin No.
1 +24v-1
2 NC
3 RECLON-N
4-70
Signal
- Home Position Sensor2
- Developer Cam Clutch (YM)
- Developer Cam Clutch (CK)
Signal
Signal
Signal
Signal
Signal