C7085-90921 Chapter 5 Theory of operation 133
Motors and fans
The printer contains five motors that drive the paper pick-up/feed assembly and the image formation
assembly. The printer also contains three fans. Figure 5-37 and Table 5-8 illustrate the location of
each motor and fan.
Figure 5-37 Motors and fans
Fusing motor (M1)
The fusing motor is a two-phase stepping motor. This motor operates the fusing assembly secondary
transfer roller, feed belt, feed roller, ITB contact clutch, ITB cleaning roller contact clutch, and the
secondary transfer contact clutch.
Pickup motor (M2)
The pick-up motor is a two-phase stepping motor. The pick-up motor operates the cassette, multi-
purpose tray, paper feeder, and registration roller.
Carousel motor (M3)
The carousel motor is a two-phase stepping motor. The carousel motor operates the toner carousel.
M1
M2
FM2
FM1
M5
M4
M3
FM3
Table 5-8 Motor and fan locations
Reference Components
M1 Fusing motor
M2 Pick-up motor
M3 Carousel motor
M4 Drum motor
M5 Toner cartridge motor
FM1 Large fan
FM2 Small fan
FM3 Front fan
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