Power-on sequence
Controlling fuser temperature targeting for 120˚C
Initial drive for fuser motor
Initial drive for fuser heater
Detecting fuser-unit failure and door-open error
Detecting paper presence by each sensor signaling
Detecting cartridge presence after primary ac bias is
applied and cleaning transfer roller
Initialize CPU
Video interface communication start
Residual paper check
Initial drive for main motor
High-voltage control
Failure/Abnormality check
Communication with memory tag
Power on
Figure 4-2 Power-on sequence
Motors, fans, and solenoids
1
2
4
3
Figure 4-3 Motors, fans, and solenoids (1 of 2)
ENWW Engine control system 53
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