Xerox Phaser 6180MFP Service Manual page 169

Phaser 6180MFP Multifunction Printer Service Manual
Automatic Document Feeder (ADF)
Registration Sensor
Document Sensor
Document Sensor
The Document Sensor detects the presence of media on the ADF
Document Tray.
Present: Beam is unshielded (unblocked)
Absent: Beam is shielded (blocked)
Cover Open Sensor
The Cover Open Sensor detects whether or not the ADF Top Cover is
open.
ADF Board
The ADF Board controls the sensors and motor in the ADF.
Feed Sensor
The Feed Sensor is located downstream from the Feed Roller to detect
completion of document feed.
Document Present: Shielded (blocked)
Document Absent: Unshielded (unblocked)
Registration Sensor
The Registration Sensor detects the preceding media is about to leave
the Registration Roller, thereby determining the next document feed can
be started.
Document Present: Shielded (blocked)
Document Absent: Unshielded (unblocked)
ADF Motor
The ADF Motor rotates the Nudger Roller, Feed Roller, Takeaway Roller,
Registration Roller, and Exit Roller.
Cover Open Sensor (Upper Chute I / L)
ADF Board
Feed Sensor
Theory of Operation
ADF Motor
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