Lexmark C540 - Page 211

Connector locations 5-9
5025-2xx, 4xx
JUSB1 Port
USB connector
G2 Ground
1 USB +5 V dc
2 USB D–
3 USB D+
4 Ground
G1 Ground
JUSBW1
USB wireless connector
1 Ground
2 USB_HST_VP
3 USB_HST_VM
4 Ground
5 +3.3 V dc
6 +3.3 V dc
JWT1
Waste toner detection
1 SENSE
2VREF
3 VAC
4 Ground
Controller board connectors (continued)
Connector Pin no. Signal