Brother HL-3450CN Service Manual page 122

8) DCN6: IOD1 - Paper Size Sensor
Pin No. Signal
1 +5v-D
2 PSU1
3 PSU2
4 PSU3
5 PSU4
6 PSU5
7 SGND
9) DCN7: IOD1 - Toner Sensor (Y, M, C, K)
Pin No. Signal
1 TLES (K)-P
2 TLES (Y)-P
3 TLES (M)-P
4 TLES(C)-P
5 TLES-G
6 SGND
7 LEDON-P
8 TLESCHK
9 SGND
10 +24v-1
11 ELON-N
10) DCN18: IOD1 - Control Fan
Pin No. Signal
1 CTFANON-P
2 PGND
3 CTFANERR
11) DCN8: IOD1 - Lower Tray Unit
Pin No.
1 +24v-1
2 PKCLLON-N
3 FDCLL1ON-N
4 PSL1
5 PSL2
6 PSL3
7 PSCST1
8 PEL1-P
9 OCST1-N
10 OHPSENL1
11 +5v-D
12 SGND
13 CASTDOPEN-N
14 +24v-1
15 KCLL2ON-N
16 FDCLL2ON-N
17 PSL4
18 PSL5
19 PSL6
20 PSCST2
21 PEL2-P
22 OCST2-N
23 PHPSENL2
24 +5v-D
25 SGND
26 NC
13) DCN14: IOD1 - Fuser Fan
IOD1 - Paper Exit Sensor
IOD1 - Cleaning Roller Sensor
IOD1 - Paper Full Sensor
Pin No.
1 +5v-D
2 PT2-N
3 SGND
4 +5v-D
5 CLROL-N
6 SGND
7 +5v-D
8 PEFULL-N
9 SGND
10 HTFANON-P
11 PGND
12 HTFANERR
4-69
HL-3450CN SERVICE MANUAL
Signal
Signal