Plug/Jack and Wiring Diagrams
Xerox Internal Use Only Phaser 7100 Service Manual 7-65
Option 550-Sheet Feeder Signal Lines
Signal Line Name Description
Feed Tray Sens The Clock signal that is used by the CPU on the Feeder PWB to
determine the level at which it is installed to.
(Sent from the MCU PWB)
Feed RXD The Communication signal between the MCU PWB and the Feeder
PWB
Feed TXD
Turn Roll Clutch On The On/ Off Control signal of the Turn Roller Clutch
Paper Jam Sensed Signal The signal for detecting paper at the Paper Feed Position of the Option
Tray by the Paper Jam Sensor
(Paper detected: L)
OP Feed Motor On The On/ Off Control signal of the Feeder Motor
OP Feed Motor Alarm The Alarm signal from the Feeder Motor
OP Feed Motor Clock The Clock signal of the Feeder Motor
OP Feed Motor Gain The Control signal of the Feeder Motor
Feed Roll Clutch On The On/ Off Control Signal of the Feed Roller Clutch
Paper Sensed Signal The signal for detecting paper in the Option Tray by the Feeder No
Paper Sensor
P-Size 0
The On/ Off Detection signal of SW 0 for the Paper Size Switch (
*
1
)
P-Size 1 The On/ Off Detection signal of SW 1 for the Paper Size Switch
P-Size 2 The On/ Off Detection signal of SW 2 for the Paper Size Switch
P-Size 3 The On/ Off Detection signal of SW 3 for the Paper Size Switch
*
1
The Paper Size Switch is numbered from top to down as SW 0, SW 1, SW 2, and SW 3.