Phaser 6180 Color Laser Printer Service Manual 2-43
Theory of Operation
Tray 3 - Optional 550-Sheet Feeder
Tray 3 Function
■ Tray 3 Side Guide (Left/Right)
The Left/Right Guide moves at a right angle to the paper transfer direction 
to align the paper width.
■ Tray 3 End Guide 
The End Guide moves toward the paper direction to determine the paper 
size. The Size Switch On/Off switch varies according to the Tray 3 End 
Guide position to detect the paper size.
■ Tray 3 Retard Roller
The Retard Roller and the Feed Roller (Pick Up Unit) pinch the paper to 
feed.
s6180-260
Bottom Plate
Tray 3 End Guide
Right Side Guide
Left Side Guide
Retard Roller