Ricoh fi-8040 Desktop Scanner - Manual (Page 336)

Scanning at High Altitude [High Altitude Mode]
Enable this mode to use the scanner at an altitude of 2,000 m or higher.
Low atmospheric pressure at high altitudes may lower the accuracy in detections for overlapped
documents with the ultrasonic sensor.
Setting [Enable] to on for High Altitude Mode improves the accuracy to detect overlapped documents.
1 Start up the Software Operation Panel.
For details, refer to
Starting Up the Software Operation Panel (page 303) .
2 From the list, select [Device Setting 2] → [High Altitude Mode].
3 Select [Enable] to use the scanner at high altitude.
The factory default setting is [Disable].
Scanner Settings (Software Operation Panel)
336