Glossary
U
Ultrasonic sensorA sensor that detects multifeed errors by ultrasonic wave. It detects multifeeds by monitoring the difference in the amount of ultrasonic waves transmitted through the documents.
UndercropRefers to cropping the scanned image in a size small than the document in Automatic Page Size Detection. Undercrop is used to remove excess data (borders) around the image which is generated in the process of cropping.
USBUSB (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. USB devices can be connected/disconnected without powering off the devices. For USB 2.0, the data transfer rate is; 1.5 Mbps in
For USB 1.1, the data transfer rate is; 1.5 Mbps in
W
White Level FollowerA function to correct the difference between white colors in unbleached paper (e.g. wood containing paper) and in scanned images.
White Reference StripeThe white part located in the ADF that defines the lightest area in an image, causing all other areas to be adjusted accordingly.
Z
Zone OCRA function which performs text recognition on the specified area of the scanned image.
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