Fans
The product uses three 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
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
14 Chapter 1 Theory of operation ENWW