Fujitsu FI-4220C 사용자 가이드
8.5 Double-feed Detection Conditions
143
8
ADF A
N
D
P
P
A
P
E
R SP
ECIFI
C
A
T
ION
■
■
■
■ Detection by Document Thickness and Length
Sheets of the same thickness and length shall be set in the
ADF at a time.
•
Document length: 0.065 to 0.15mm
•
Document length deviation: 1% or less
•
Printed area: 12% or less
•
No black printed areas are allowed at the center area
(26 x 10mm) at the leading edge of the document.
(26 x 10mm) at the leading edge of the document.
•
Punched holes are not allowed within 35mm of the vertical
center line of the document.
center line of the document.
•
The deviation in the amount of the light transmitted through
background areas must not be less than 10%.
background areas must not be less than 10%.
HINT
The type of document and document conditions
sometimes cause the double-feed detection
rate to drop.
sometimes cause the double-feed detection
rate to drop.