Motors and fans
The product has 11 motors and three fans. The motors drive the components in the paper-feed and
image-formation systems. The fan motors cool the inside of the product.
Table 5-5 Motors
Abbreviation Name Purpose Type Failure detection
M2 Fuser (fixing) motor Drives the Fuser
(fixing) roller, the
delivery roller, and the
Fuser (fixing) pressure
roller
DC motor Yes
M3 Drum motor 1 Drives the
photosensitive drum
(yellow/magenta),
developing unit
(yellow), and primary
charging roller (yellow/
magenta)
DC motor Yes
M4 Drum motor 2 Drives the
photosensitive drum
(cyan), developing unit
(magenta/cyan), and
primary charging roller
(cyan)
DC motor Yes
M5 Drum motor 3 Drives the
photosensitive drum
(black), developing unit
(black), and ITB drive
roller, and secondary
transfer roller
DC motor Yes
M7 Lifter motor Drives the lifter for the
cassette
DC motor Yes
M8 Cyan/black scanner
motor
Drives the scanner
mirror in the cyan/black
laser scanner
DC motor Yes
M9 Yellow/magenta
scanner motor
Drives the scanner
mirror in the yellow/
magenta laser scanner
DC motor Yes
M10 Developing
disengagement motor
Drives the developing
unit disengagement
Stepping motor No
M11 Duplex reverse motor Drives the duplex
reverse roller and
duplex feed roller
Stepping motor No
M12 Residual toner-feed
motor
Drives the residual
toner feed screw
DC motor Yes
M13 Pickup motor Drives the cassette
pickup roller, MP tray
pickup roller, feed
roller, registration
roller, and re-pickup
roller
Stepping motor No
122 Chapter 5 Theory of operation ENWW
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