The main CPU determines a failure, stops the printer engine, and notifies the video controller
under the following conditions:
● Fixing motor startup abnormality. When the printer does not enter MOTOR READY state
within 6.6 seconds from the start of the drum motor drive.
● Fixing motor rotation abnormality. When the printer enters MOTOR NOT READY state
for 6.6 seconds continuously after it has entered the MOTOR READY state.
Figure 5-4.
Motors and fans
Table 5-2. Function of motors and fans
Name Function Type Speed switching
M1 Cyan drum motor
Drives the
photosensitive drum
and stirrer
DC motor 4-speed (full, 1/2, 1/3,
1/4)
M2 Yellow drum motor
M3 Magenta drum
motor
M4 Black drum motor
M5 Fuser motor
Drives the pressure
roller and delivery roller
DC motor 4-speed (full, 1/2, 1/3,
1/4)
M6 ETB motor
Drives the ETB DC motor 4-speed (full, 1/2, 1/3,
1/4)
PM1 Developing
disengaging motor
Separates the
photosensitive drums
and the developing
cylinders
Stepping motor No
134 Chapter 5 Theory of operation ENWW
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