Fans
The product uses five fans to maintain the correct internal temperature. The DC controller determines a
fan failure when a fan locks for a specified period after it starts driving.
Figure 1-5 Fans
Cartridge fan
Sub power supply fan
Power supply fan
Fuser fan
Formatter fan
Table 1-4 Fans
Description Area cooled Type Speed
Power supply fan
(FM1)
Low-voltage power supply
Output bin
Delivery unit
Laser scanner unit
Intake Full/Half
Fuser (FM2) Duplex feed unit
ITB area
Intake Full
Formatter (FM3) Formatter area Intake Controlled by
the formatter
Cartridge fan (FM4) Cartridge area Intake Full/half
Sub power supply
fan (FM5)
Sub power supply area Exhaust Full
ENWW
Engine-control system
13
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