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Ricoh B121 - Page 418

Ricoh B121
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OVERALL ELECTRICAL CIRCUIT
B387 12 SM
2.7 OVERALL ELECTRICAL CIRCUIT
The DF CPU controls the DF feed motor, DF feed clutch, DF pick-up solenoid, and
stamp solenoid. The DF CPU also monitors all sensors and provides updated
status when prompted at regular intervals by the mainframe, which may then take
action based on this information. The DF/mainframe connection is checked
automatically immediately after the mainframe is powered on.
Main
Frame
Interface
ADF Control
CPU
Driver
Driver
DF Feed Motor
DF Feed Clutch
DF Pick-up
Solenoid
Stamp Solenoid
Registration Sensor
Original Set Sensor
DF Position Sensor
Feed Cover Open Sensor
Original Width Sensor 1
Original Width Sensor 2
Original Length Sensor 1
Original Length Sensor 2
Original Trailing Edge Sensor
ADF Control Board
B387D500.WMF

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