Document Source - Epson PERFECTION 1240U Reference Manual

❏ Exposure, Gamma, Highlight, Shadow, and Threshold in the
Image Controls dialog box
❏ Tone Correction in the Tone Correction dialog box
❏ Gray Balance Intensity, and Saturation in the Color
Adjustment dialog box
❏ Auto Exposure
Note:
Although the image in the Preview window changes as you make
settings, the settings do not affect the actual image until you scan or re-
scan the image.

Document Source

When using the document table on the scanner, leave Document
Source set to Flatbed. Other selections are available depending
on what is installed. They are the optional TPU for Neg. Film and
TPU for Pos. Film (for the Film Adaptor which is optional with the
Perfection 1240U but included with the Perfection 1240U Photo).
Note:
Uninstalled options are not displayed.
Flatbed:
Choose this setting to use the document table of the scanner.
3-6
Understanding EPSON TWAIN Features