Specifications

Principles of Operation Paper Transportation - 12
Paper Transportation
Paper Path Flowchart
The chart below shows the parts that feed paper through the LaserWriter 12/640 PS
engine. Parts are shown in the order in which they occur during a print cycle.
Cassette Feed
Pickup Roller
Pickup Roller
(Optional Sheet Feeder)
Cassette Feed Roller
Manual Feed
Pickup Roller
Preregistration Feed and Pinch Rollers
Registration Feed and Pinch Rollers
Drum and Transfer Roller
Fuser Roller and Pressure Roller
Fuser Exit and Pinch Rollers
Paper Deflector Guide
Delivery Rollers
and Pinch Rollers
Duplexer and/or
Face-Up Delivery Tray
Duplexer
Output Tray