Lexmark C750 Service Manual page 343
Service manual
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Also See for C750:
- User reference manual (218 pages) ,
- Parts breakdown (65 pages) ,
- Setup manual (62 pages)
Table of Contents
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See
"HCOF system board" on page 5-32
Connector
CN14 Power
CN15 Feed Motor
CN16 Punch
CN17 Feed
CN18 Communications
CN19 Joint
CN20 CPU Prog
Pin no
Signal
1
+24 V dc
2
+24 V dc
3
P-Ground
4
P-Ground
1
A+
2
A-
3
B+
4
B-
5
N/C
1
+5 V dc
2
Drop Timing Sensor
3
Ground
4
+5 V dc
5
Punch Home Sensor
6
Ground
7
+5 V dc
8
Punch Timing A Sensor
9
Ground
10
+5 V dc
11
Punch Timing B Sensor
12
Ground
1
SOL+
2
SOL -
1
TxD
2
SG
3
RxD
4
SG
5
FG
1
Switch - PTR Joint
2
N/C
3
Ground
1
20
5060-00x
5-31
Connector locations
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