Glossary
114
Appendix
Glossary
Contents
TOP
How to Load
Documents
How to Use the
Operator Panel
Various Ways to
Scan
Daily Care
Troubleshooting
Operational
Settings
Replacing the
Consumables
Scanner
Overview
Index
Introduction
U
Ultrasonic sensor
A sensor that detects multifeed errors by ultrasonic soundwave. It detects multifeeds by monitoring the difference in the
amount of ultrasonic waves transmitted through the documents.
USB
USB (Universal Serial Bus) is a standard for interfaces used to connect devices such as keyboards and scanners. Up to 127
devices can be connected by this interface. It can be connected and disconnected without powering off the devices.
For USB 2.0, the data transfer rate is 1.5 Mbps in Low-Speed, 12 Mbps in Full-Speed, and a maximum of 480 Mbps in Hi-
Speed mode.
W
White reference sheet
The white part located inside the ADF that the scanner defines as white, in order to adjust the brightness of all other areas
accordingly.
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