Fujitsu fi-4220C Operator's Manual page 58

2. Click the [Job/Cache] tab.
3. Select the detection conditions from "Double Feed" under "ADF Option".
The following detection conditions are provided:
None
Check thickness
Check length
Check thickness and length:
Furthermore, see "6.5 Double-feed Detection Conditions" (page. 95) for detailed informa-
tion about the document for double-feed detection.
4. Click the [OK] button.
The display returns to the [TWAIN Driver] dialog box. Continue scanning from this dialog
box.
42
: Double-feed detection is not performed.
: The scanner monitors the thickness of documents. It detects a dou-
ble-feed by differences in document thickness when two or more
document sheets are fed overlapping.
: The scanner monitors the length of documents. It detects a double-
feed by changes in the document length when two or more document
sheets are fed overlapping.
The scanner monitors both document thickness and length to detect
double-feed.