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Process/Operation > Image Formation System > Controls > Drum Unit (Developing/Drum)
Process/Operation > Image Formation System > Controls > Drum Unit (Developing/Drum)
● Drive Configuration
Drum Motor(M4)
ITB Motor(M2)
Photosensitive
Drum
Upstream Brush
Downstream Brush
Primary Charging Roller
Parts name
Function
M2 ITB Motor
Rotation of the Photosensitive Drum (Bk)
M4 Drum Motor
Rotation of the Photosensitive Drum (YMC)
PS3 Color Drum HP Sensor HP detection of the Photosensitive Drum (YMC) (rotation detection)
PS4 Bk Drum HP Sensor
HP detection of the Photosensitive Drum (Bk) (rotation detection)
Related error codes
E010-0001 Error in startup of the ITB Motor (M2)
E010-0002 Error in speed of the ITB Motor (M2)
E010-0003 Lock detection of the ITB Motor (M2)
E012-0001 Error in startup of the Drum Motor (M4)
E012-0002 Error in speed of the Drum Motor (M4)
E012-0003 Lock detection of the Drum Motor (M4)
F-2-68
T-2-27
● Drum Unit Detection
Whether the Drum Unit is installed or not is detected.
Detection timing
1) At power-on, at recovery from sleep mode, when the Front Door is opened/closed.
Detection description
1) The memory tag of the Drum Unit is detected.
2) The discharge current control is executed based on the value saved in the memory
tag and presence/absence of the Drum Unit is determined according to the charging
value at the time of the control.
• When the detected value for discharge current control shows the specified value
or larger, it is detected that the Drum Unit is installed and the discharge current
control is continued.
• When the detected value for discharge current control shows less than the
specified value, it is detected that there is no Drum Unit.
Execution time
Within 1 second
Operation of the host machine
The machine is stopped and “No” is displayed on the Control Panel at the same time.
Life Information
Current Detection Value of
Discharging Current Control
Drum Unit
Memory Tag
DC controller PCB
(UN9)
F-2-69