Lexmark C78x - Media Size Sensing Board

Connector locations 5-25
5061
Media size sensing board
Connector Pin Signal
J1 1 +3.3V dc
2 EPROM Data
3Ground
4 EPROM Clock
J2 1 J3-1 (Waste BTL Full)
2Ground
3 Waste BTL PRESENT
(SW4)
4Tray Size 1 (SW3)
5Ground
6Tray Size 2 (SW2)
7Tray Size 3 (SW1)
J3 1 J2-1 (Waste BTL Full)
2Ground