Lexmark 4059-XXX - Manual (Page 249)

Connector Locations 5-24
4059-XXX
Output Expander Control Board - Level 2 DC Motor
Connector Pin No. Signal
J1A Autoconnect 1 +24 V dc
2 Ground
3 +5 V dc
J1B 1 Prtxdin
2 Ground
3 prtrxd
4 Ground
5 N/C
J2A Autoconnect 1 +24 V dc
2 Ground
3 +5 V dc
J2B 1 prtxdout
2 Ground
3 prtrxd
4 Ground
J3 Pass Thru Sensor 1 Ground
2 Paper Present
3 RVsnsr