499
Scanner Problems
Scanning Result Is Unsatisfactory
■
White Portion Becomes Grayish
C
HECK
1
D
ID
YOU
PERFORM
W
HITE
L
EVEL
C
ALIBRATION
?
Use White Level Calibration to maintain the correct color balance of
scanned images.
Using the White Calibration Sheet
C
HECK
2
D
ID
YOU
ADJUST
THE
BRIGHTNESS
AND
CONTRAST
?
Depending on the image you scan, a white portion is not recognized as
white because the scanner detects and scans even the small differences
of the density between white and other colors.
Adjust the brightness and contrast.
• When you are using IS Scan Plus, use the online Help.
• When you are using a TWAIN-compatible graphics application program,
see the User’s Manual for the application program.
Note