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Motors
The product has 13 motors. The motors drive the components in the paper-feed and image-formation
systems.
Table 1-5 Motors
Abbreviation Name Purpose Failure detection
M1 ITB motor Drives the ITB and residual
toner feed screw
Yes
M2 Fuser motor Drives the fuser sleeve,
pressure roller, fuser pressure
roller, and primary transfer
roller disengagement
Yes
M3 Y drum motor Drives the photosensitive
drum (yellow), developing
roller (yellow), and primary
charging roller (yellow)
Yes
M4 M drum motor Drives the photosensitive
drum (magenta), developing
roller (magenta), and primary
charging roller (magenta)
Yes
M5 C drum motor Drives the photosensitive
drum (cyan), developing roller
(cyan), and primary charging
roller (cyan)
Yes
M6 Bk drum motor Drives the photosensitive
drum (black), developing
roller (black), and primary
charging roller (black)
Yes
M7 Lifter motor Drives the lifter for the
cassette
Yes
M8 Cyan/black scanner motor Drives the scanner mirror in
the cyan/black laser scanner
Yes
M9 Yellow/magenta scanner
motor
Drives the scanner mirror in
the yellow/magenta laser
scanner
Yes
M10 Developing disengagement
motor
Drives the developing unit
disengagement
No
M11 Duplex reverse motor (HP
Color LaserJet CP4525dn,
HP Color LaserJet
CP4025dn , and HP Color
LaserJet CP4525xh only)
Drives the duplex reverse
roller and duplex feed roller
No
M12 Residual toner-feed motor Drives the residual toner feed
screw
Yes
M13 Pickup motor Drives the cassette pickup
roller, MP tray pickup roller,
feed roller, and cassette
separation roller
No
8 Chapter 1 Theory of operation ENWW