Lexmark C540 - Toner Meter Cycle (TMC) Card

Connector locations 5-13
5025-2xx, 4xx
Toner meter cycle (TMC) card
Low-voltage power supply (LVPS) connectors
Connector Pin no. Signal
J1 USB Port G1 Ground
1 USB +5 V dc
2 USB D-
3 USB D+
4 Ground
G2 Ground
Wireless network card
Connector Pin no. Signal
G1 Ground
1 USB +5 V dc
2 USB D–
3 USB D+
4 Ground
G2 Ground