Xerox Phaser 7400

2-48 Phaser 7400 Color Printer Service Manual
Registration Assembly
Shown in the following figure are the components associated with the Registration
Assembly.
■ Tray 1 (MPT) Home Position Sensor
Detects the position of the Feed drive.
■ Registration Sensor #1
Detects the when the media’s leading edge has reached the Registration Rollers.
■ Registration Rollers #1
Driven by the Registration Motor through the Registration Clutch, the
Registration Rollers work to correct media skew and transport media to the
Transfer Unit belt.
■ Registration Clutch #1
Transfers drive from the Registration Motor to the Registration Rollers.
■ Transfer Unit Entrance Sensor
Detect the arrival of the media at the Transfer Unit.
■ Media Thickness Sensor
Produces a signal that varies dependent on media thickness.
■ Temperature/Humidity Sensor
Monitors environmental conditions surrounding the printer.
■ Front Sensor Board
Communicates the status of Tray 1 (MPT) and Registration Assembly sensors to
the Motor Driver Board.
s7400-644
Tray 1 (MPT)
Home Position Sensor
Registration
Rollers #1
Front Sensor Board
Registration
Clutch #1
Registration
Sensor
Transfer Unit
Entrance Sensor
Media Thickness
Sensor
Temperature
Humidity Sensor