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

Yes

 

 

toner feed screw

 

 

 

 

 

M2

Fuser motor

Drives the fuser sleeve,

Yes

 

 

pressure roller, fuser pressure

 

 

 

roller, and primary transfer

 

 

 

roller disengagement

 

 

 

 

 

M3

Y drum motor

Drives the photosensitive

Yes

 

 

drum (yellow), developing

 

 

 

roller (yellow), and primary

 

 

 

charging roller (yellow)

 

 

 

 

 

M4

M drum motor

Drives the photosensitive

Yes

 

 

drum (magenta), developing

 

 

 

roller (magenta), and primary

 

 

 

charging roller (magenta)

 

 

 

 

 

M5

C drum motor

Drives the photosensitive

Yes

 

 

drum (cyan), developing roller

 

 

 

(cyan), and primary charging

 

 

 

roller (cyan)

 

 

 

 

 

M6

Bk drum motor

Drives the photosensitive

Yes

 

 

drum (black), developing

 

 

 

roller (black), and primary

 

 

 

charging roller (black)

 

 

 

 

 

M7

Lifter motor

Drives the lifter for the

Yes

 

 

cassette

 

 

 

 

 

M8

Cyan/black scanner motor

Drives the scanner mirror in

Yes

 

 

the cyan/black laser scanner

 

 

 

 

 

M9

Yellow/magenta scanner

Drives the scanner mirror in

Yes

 

motor

the yellow/magenta laser

 

 

 

scanner

 

 

 

 

 

M10

Developing disengagement

Drives the developing unit

No

 

motor

disengagement

 

 

 

 

 

M11

Duplex reverse motor (HP

Drives the duplex reverse

No

 

Color LaserJet CP4525dn,

roller and duplex feed roller

 

 

HP Color LaserJet

 

 

 

CP4025dn , and HP Color

 

 

 

LaserJet CP4525xh only)

 

 

 

 

 

 

M12

Residual toner-feed motor

Drives the residual toner feed

Yes

 

 

screw

 

 

 

 

 

M13

Pickup motor

Drives the cassette pickup

No

 

 

roller, MP tray pickup roller,

 

 

 

feed roller, and cassette

 

 

 

separation roller

 

 

 

 

 

8 Chapter 1 Theory of operation

ENWW

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HP Enterprise CC490A manual Motors, Abbreviation Name Purpose Failure detection