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Paper jam. The scanner considers that a paper jam has occurred if the document takes longer than
normal to exit from the scanner.
Paper path. The curved path taken by a document as it passes through the scanner.
Paper transport. The mechanical system for moving a document through the scanner.
Power cord. The cord that connects the scanner to AC power.
Power input. The connector at the rear of the scanner into which the power cord is inserted. The other
end of the power cord is plugged into the wall outlet or other source of AC power.
Reference plates or background reference plates. Adjustable components used to change the
background color of the scanned document.
Resolution. A measurement of the ability of a scanner to reproduce small objects. The higher the
resolution, the smaller the object the scanner can reproduce. Resolution is measured in dots per inch (dpi).
RGB. Three components of color: Red, Green, Blue.
Rollers. Rollers, spaced along the paper path, move the documents to be scanned through the
mechanical section of the scanner.
Separation roller. This roller holds back all but the top document in the stack of documents. This roller
allows the paper feed roller to feed a single document at a time into the scanner.
Simplex scanner. A scanner designed to scan a single side of a document as it passes through the
scanner.
Skew. The result of feeding a document at an angle. It appears crooked or misaligned on the display and
also looks this way when printed. To minimize skew, guide the document against the left document feed
guide.
Single Color Dropout. An option on the scanner that allows the user to drop out red, green, or blue color
from a bitonal image.
Transport system. See Paper transport.
USB (Universal Serial Bus). A data transmission system that operates between the scanner and the host
computer system.
VRS (VirtualReScan). VRS is an electronic check-point for scanned images. As images pass through the
scanner, VRS performs a multi-point inspection of each document. VRS automatically checks and adjusts
for alignment (skew), brightness, contrast and image clarity.