Canon Scanner WIA Driver User’s Guide
13
A
djusting the Image Quality
Drag this tab or input a number directly (-127 to +128) to adjust
a preview image that is too bright or dark .
Drag this tab or input a number directly (-127 to +128) to adjust
the contrast of a preview image that is too weak or strong.
Click the arrow button on the right to select a picture type from
the [Color picture], [Grayscale picture] and [Black and white
picture or text] options.
Click this button to reset the settings back to the original values.
To set the resolution, input a number here or select an option
from the menu accessed by clicking the arrow to the right.
Resolution can be set from 50 to 600 dpi (with CanoScan 9900F,
50 to 800 dpi).
To adjust the quality of the scanned image, click the [Custom settings] or [Adjust the
quality of the scanned picture] button in the Scan window and modify it in the
ensuing dialog.
Advanced Properties Dialog
for Black and White or Text
Images
Advanced Properties Dialog
for Color Images
Direct Start
Started from an Application
Program
The contrast adjustment does not appear.
