Appendix 2 Double-Feed Detection Conditions - Fujitsu fi-4860C Operator's Manual

APPENDIX 2 DOUBLE-FEED
DETECTION CONDITIONS
There are three double-feed detection modes: document thickness, document length,
and both document thickness and length. The following conditions must be satisfied in
each of these detection modes.
Detection by Document Thickness
Sheets of the same thickness shall be set in the ADF at a time.
- Document thickness: 0.065 to 0.15mm
- 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.
- Punched holes are not allowed within 35mm of the vertical center line of the
document.
- The deviation in the amount of the light transmitted through background areas
must not be less than 10%.
Detection by Document Length
Sheets of the same length shall be set in the ADF at a time.
- 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.
- Punched holes are not allowed within 35mm of the vertical enter line of the
document.
- The deviation in the amount of the light transmitted through background areas
must not be less than 10%.
●AP-2