Glossary

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.

For USB 1.1, the data transfer rate is 1.5 Mbps in Low-Speed and 12 Mbps in Full Speed mode.

W

White reference sheet

The white part located inside the ADF which the scanner defines as white, in order to adjust the brightness of all other areas accordingly.

Z

Zone OCR

A function which performs text recognition on the specified area of the scanned image.

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