CCD Line Sensor camera is used on this device.
It imports the image of circumference of OPC drum that rotates
automatically and detects the defects.
If the device is operated by fully automatic specification, accepted
drum can be returned to the original pallet and rejected drum is
transferred to the pallet for rejected drums.
OPC Drum 20-81mm L244-360mm
CGL deletion, CT sagging
White spots, Bubbles, Contamination
Black spots and Color non-uniformity
Spot type defect :100µm / over
Color non-uniformity : Define limit sample based on the provided rejected drum samples