Lexmark Optra C Service Manual page 227

Mechanical Controller Board (J2001, J2002, J2003)
J2001
Low Voltage Power
Supply
1 +24 VB
2 GND
3 +5 V
4 GND
5 +24 VA
Mechanical Controller Bd (J2004, J2005, J2006)
J2004
High Voltage
Power Supply
1 TXD
2 RXD
3 CLK
4 SEL
5 RES
6 +5 V
7 GND
8 +24 V
9 PGND
5-28
J2002
Paper Pickup
Board
1 TXD
2 RXD
3 CLK
4 GND
5 +5 V
6 PGND
7 +24 VC
8 RES
J2005
Temperature /
Humidity Sensor
1 GND
2 TMPSNS
3 GND
4 HUMSNS
5 +5 VU
J2003
Optional Sheet
Feed
1 RES
2 SEL
3 Not Used
4 +5 V
5 GND
6 CLK
7 RXD
8 TXD
J2006
Toner Cartridge
Position Sensor
1 +5 VSAVE
2 GND
3 DEVCAM
Rotary Position
Sensor
4 +5 VSAVE
5 GND
6 DEVHP