44292401TH Rev.1
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Oki Data CONFIDENTIAL
COMPOSITION/OPERATION
19.4 Operation flow
Mode Operation timing
Mode 1
• The environment in which the power switch is turned ON is different from the environ-
ment the machine was in when the power switch was turned OFF last.
• The environment in which the Energy saver mode is canceled is different from the envi-
ronment the machine was in when it entered the Energy saver mode last.
• The power switch is turned OFF and ON or the Energy saver mode is canceled after a
predetermined number of printed pages have been produced.
• A new drum cartridge or toner cartridge is detected.
Mode 2
• The power switch is turned OFF and ON or the Energy saver mode is canceled after a
predetermined number of printed pages have been produced.
Mode 2
Transfer belt surface
correction control
Laser intensity control
Mode 1
1st transfer ATVC operation 1st transfer ATVC operation
Leak detection control
AIDC intensity control
Transfer belt surface
correction control
Control of the maximum
amount of toner sticking
Control of the maximum
amount of toner sticking
Laser intensity control
γ correction control
A034T2E581AA
19.4 Operation flow
19.3 Operation timing
20. Fan control
20.1 Composition
20.2 Operation
20.2.1 Function
A0HFT2C511AA
Suction
Ozone ventilation fan motor (FM2)
Exhaust
DC power supply fan motor (FM1)
Exit tray cooling fan motor (FM4)
Motor name Function (purpose)
DC power supply fan motor (FM1)
To discharge heat stagnant inside the machine to the outside to
prevent the temperature of the DC power supply from rising.
Ozone ventilation fan motor (FM2)
To recover toner powder in the imaging cartridge.
To draw ozone produced in the imaging cartridge to the outside.
Exit tray cooling fan motor (FM4) To prevent the temperature on the exit tray from increasing.
20. Fan control
20.1 Composition
20.2 Operation
20.2.1 Function
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