Lexmark 522n - C Color Laser Printer Service Manual page 228

4520-xxx
Connector
J11 Operator Panel
J12 Transport Motor
J14 Autoconnect (Options)
5-6
Service Manual
Pin No. Signal
1 FPIRQ
2 Ground
3 I2CCLK
4 +5 V dc
5 I2CDATA
1 ON/OFF
2 Ground
4 +5 V dc
5 MTR1
6 Dir
7 MTR4
8 MTR3
9 +24 V RET
10 +24 V RET
11 +24 V dc
1 RXDIN
2 Ground
3 TxBR
4 Ground