Phaser 7500 Printer Service Manual 2-47
Theory of Operation
Fan
Fuser Fan (PL4.1.7)
The Fuser Fan dissipates heat in the printer and cools down the Fuser Assembly
section.
HV Fan (PL4.3.4)
The HV Fan dissipates heat in the printer and cools down the HVPS section.
LV Fan (PL18.1.13)
The LV Fan dissipates heat in the printer and cools down the LVPS section.
Drive Fan (PL18.3.17)
The Drive Fan dissipates heat in the printer and cools down the rear motor section.
NOHAD Thermistor Assembly (PL5.2.11)
The NOHAD Thermistor Assembly monitors the temperature within the printer.
s7500-380
Fuser Fan
HV Fan
Drive Fan
NOHAD Thermistor
LV Fan