Dell 3115cn Service Manual page 781

Signal line name
Txd
Rxd
DUP MOT A
DUP MOT B
DUP MOT XA
DUP MOT XB
DUP IN SENSED (L) +3.3VDC
DUP CL ON (L) +24VDC
FAN +24VDC
FAN ALARM
Version 1 2006.11.21
Chapter 7 Wiring Diagrams and Signal Information
Control signal of the PWBA DUP
Drive control signal of the DUP MOTOR
Paper detect signal of the Duplex by the Sensor Photo
(DUP JAM SENSOR)
ON/OFF signal of the DUP CLUTCH
Drive control signal of the DUP FAN
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Description