Fujitsu FI-4860C Operator's Manual page 224

HINT
Setting
Thick
Medium Thick Medium strong
Medium
Medium Thin Medium weak
Thin
7-18 7.3 Setup Mode Details
If the following error occurs frequently, change the setting by
referring to the explanation on the table.
- Double-feed
- Mis-pick
- Paper Jam1
Document separa- Double-feed occurs
tion force
Strong
Make the document
Average (Factory separation force stronger.
default)
Easy weak
frequently.
Paper jam1 occurs fre-
Make the document separation
force weaker.
Mis-pick or
quently.