Omron F250-UME Software Manual page 315

Density Defects
CHECK
1. Set the edge detection conditions.
Set the direction for the edge search and the density changes.
Left edge
Direction :
Color : Light→Dark
End
Combining Edge Detection Directions
Set a combination of upper, lower, right, and left edge detection directions
that surround the area to be measured.
Correct
Upper edge
Left edge
Lower edge
a) Select Left edge.
The initial setting screen for the left edge will be displayed.
Left edge
b) Select Measurement conditions.
Direction for edge detection: →, ←, ↑, ↓
→
Density change: Light→Dark, Dark→Light
Right edge
Left edge
Region0(Defect(var.box))
Measurement conditions
Left edge
Upper edge
Right edge
Lower edge
Reference registration
Judgement conditions
Detailed conditions
Clear
Measurement conditions
Region
Detailed conditions
Section 2-14
Incorrect
Upper edge
Right edge
Lower edge
2-14-(17)