Phaser 6180 Color Laser Printer Service Manual 2-15
Theory of Operation
Paper Path Components
Paper path components for the printer and the Optional 550-Sheet Feeder are 
shown in the following figure.
Laser Beam
Paper Transfer
Paper Sensors
Exit Roller (Fuser)
Duplex Gate (Fuser)
Exit Sensor (Fuser)
Pressure Belt (Fuser)
Duplex Gate
Heat Roller (Fuser)
Duplex Roller 
(Duplex Module)
Duplex Roller 
(Duplex Module)
Duplex Jam Sensor
(Duplex Module)
Belt (Transfer Unit)
Regi Roller (Metal)
(Registration)
Regi Roller (Rubber)
(Registration)
Regi Sensor
(Registration)
No Paper Sensor
(250-Sheet
Feeder)
No Paper Sensor
(550-Sheet
Feeder)
Tray 1 (MPT) 
No Paper Sensor 
Tray 1 (MPT) Roller
Tray 1 (MPT) 
Turn Roller
Feed Roller (250-Sheet
Feeder)
Tray 2 Retard Roller
(250-Sheet Feeder)
Turn Roller (550-Sheet Feeder)
Tray 3 Retard Roller (550-Sheet Feeder)
Feed Roller (550-Sheet Feeder)
s6180-145