Kodak Document Scanner 9500 with Image Manager Integrator Manual page 93

The border reduction feature only works when auto-cropping is
Border reduction
turned off. Border reduction fills the area outside of the
document edges with a white background within the fixed
cropping width. The following illustration shows the effects of
border reduction.
Skewed Document
Line Length = N x 16 pixels (Fixed Cropping)
Un-Skewed or Deskewed Document
Line Length = N x 16 pixels (Fixed Cropping)
E-20 A-61122/A-61124 March 1999