Canon SCANFRONT 220 - Manual (Page 145)

8-8
Chapter 8 Troubleshooting
You can’t choose TIFF when
Gray or Color is selected.
Cause
The scanner cannot be used with the selected mode and file format
combination.
Solution
Check which mode and file format combinations can be used. (See
p. 4-18 and p. 5-16.)
You can’t choose JPEG when
Binary Mode is selected.
Cause
The scanner cannot be used with the selected mode and file format
combination.
Solution
Check which mode and file format combinations can be used. (See
p. 4-18 and p. 5-16.)
User is now operating the
device. Please try again after
the user completes operations. Cause The ScanFront is being used.
Solution Try again after the ScanFront has finished being used.
An user has logged in.
Operation is invalid.
Cause Modifying settings is not possible because a user is logged in.
Solution Make the user log off and then try again.