Fujitsu FI-4860C2 Operator's Manual page 222

The available ranges of detection are as follows:
Top: 0 (default), 50, 100, 150, 200 (Unit : mm)
L: 100 (default), 150, 200 (Unit : mm)
5) Besides the Double-feed detection by checking paper overlapping (the amount
of ultrasonic waves), you can enable or disable the detection by checking paper
thickness (the amount of light) at <Screen 4-3>. Press
(Right arrow button) to enable or disable the detection by checking paper
thickness.
(1) [Yes] is blinking:
(2) [No] is blinking:
Press (Enter button) to enable the setting.
6) When the LCD is showing (2) or (3), pressing
display to <Screen 4-4>.
7) At <Screen4-4>, by pressing
you can select the detection mode.
Each time
displays [Thickness] and [Thickness & Roller] alternately.
7-22
7.3 Setup Mode Details
<Screen 4-3>
! 0 4 -
<Screen4-4>
0 4 -
!
=
(Left arrow button) or
(Left arrow button) or
<Screen4-4>
(Left arrow button) or
3 + T h i c
N o / Y e s
The Double-feed deteciton by checking
paper thickness is executed.
The Double-feed deteciton by checking
paper thickness is not executed.
(Enter button) changes LCD
4 D F M o
T h c
i k n e
(Right arrow button),
(Right arrow button) is pressed, LCD
e s s
k n
d e
s s