Table 1-2 Electrical components (continued)
Component type Abbreviation Name
Motor M1 ITB Motor
M2 Drum motor
M3 Developing motor
M4 Fuser motor
M5 Pickup motor
M6 Developing disengagement motor
M7 Duplex reverse motor
M8 Duplex feed motor
M9 Tray 2 cassette lifter motor
M10 Scanner motor
LED Not applicable Front pre-exposure LED 1–4
Not applicable Rear pre-exposure LED 1–4
Motors
The product has ten motors for paper feed and image formation. The DC controller determines there is
a motor failure if a motor does not reach a specified speed within a specified period after motor
startup, or if the rotational speed is outside a specified range for a specified period.
Figure 1-4 Motors
Fuser motor
Developer
disengagement
motor
ITB motor
Drum motor
Developer motor
Pickup motor
Cassette lifter motor
Scanner motor
Duplex
feed
motor
Duplex
reverse
motor
Table 1-3 Motors
Description Components driven Failure
detection
ITB motor (M1) ITB
Black photosensitive drum
Black developing roller
Yes
ENWW
Engine-control system
11
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