Image Types; Image Type List - Epson PERFECTION 1240U Reference Manual

TPU for Neg. Film, TPU for Pos. Film:
Select one of these settings when using the Film Adapter. If you
are scanning negative film, select TPU for Neg. Film, and if you
are scanning positive film (or slides), select the TPU for Pos. Film
se tting.

Image Types

Use the Image Type list or button to select the type of image to be
scanned.

Image Type list

The Image Type list provides the following predefined settings.
EPSON recommends you use the predefined settings first, then
later improve the quality of the scanned image manually by
making the detailed settings described in the following pages, if
necessary. Click the arrows on the right to view all of the available
settings.
Color Photo (42-bit):
42-bit color, best quality
This setting is useful when scanning positive or negative film for
further editing.
Color Photo:
24-bit color, best quality
Understanding EPSON TWAIN Features
3-7