II. FANS
A. Arrangement and Functions
Feeder fan
Fixing assembly heat discharge
fan 1***
Fixing assembly heat discharge
fan 2 ***
Laser driver cooling fan
Laser scanner motor cooling fan 1
Laser scanner motor cooling fan 2
Cleaner heat discharge fan
System cooling fan
Reversing guide cooling fan
Low-voltage power cooling fan 1
Low-voltage power cooling fan 2
Reader cooling fan 1
Reader cooling fan 2
Drum cartridge cooling fan 1
Drum cartridge cooling fan 2
Drum cartridge cooling fan 3
DC controller PCB cooling fan
Scanner motor cooling fan
Function
Draws copy paper to the feeding
belt. Helps feeding.
Discharges heat from around the
fixing assembly.
Cools the laser driver PCB.
Cools the laser scanner motor.
• Cools the laser scanner motor.
• Insulates the drum cartridge
against heat from the fixing
assembly.
• Discharges heat from the
drum cleaning assembly and
fixing assembly.
• Discharges heat from the DC
controller PCB.
Discharges heat from the
composite power supply and the
DC controller PCB.
Prevents curling of paper.
Discharges heat from the lowvoltage
power supply.
Cools the reader (image processor
PCB, laser driver PCB).
Cools the drum cartridge.
Cools the DC controller PCB.
Cools the scanner motor.
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