Fujitsu FI 4220C Operator Manual - Page 187
Noise removal, Operator panel, Outline extraction, PAPER JAM, Photograph mode White level follower OFF
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Noise removal Isolated noise from an image appearing as black spots in white areas and voids in black areas is removed to improve image quality. Operator panel A panel containing the scanner indicators and buttons. The operator panel is used to control scanner operations such as loading document, selecting features, and changing setup options. Outline extraction The boundary between black and white areas is traced and the outline extracted for closed areas. PAPER JAM A warning informing the user that document is jammed in the transport unit, or that transportation is disabled because the transport unit is slippery. This warning also appears when a double feed is detected. Photograph mode (White level follower OFF) Selecting photograph mode makes brightness and contrast settings effective but prevents the threshold from being set. With photograph mode, the darkness of image corresponds to the blackpixel density, making it suitable in scanning images such as photographs having gradations. Photo mode = photograph mode A photograph is read properly in this mode. Portrait orientation A document is transported and read with the long side parallel to the moving direction. GL-6