25
Detection Functions
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Auto Color Detection
Automatically detects whether scanned documents are color,
grayscale, or black and white.
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Paper Size Detection
Detects the document page size before scanning.
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Skew Detection
The scanner stops feeding when a skewed document is detected as
it touches the edges of the feeder inlet.
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Staple Detection
The scanner stops feeding when it detects the presence of stapled
documents.
"Staple Detection" (See p. 68)
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Dust Detection
Detects dust in the scanning unit and performs error processing as
needed.
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Ultrasonic Double Feed Detection
The scanner stops feeding when the ultrasonic sensor detects that
two or more document pages are feeding at the same time.
* A non-detection area can be specified to avoid double-feed
detection in areas such as those containing adhesive labels.
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Double feed detection by length
The scanner stops feeding when a double feed is detected by
comparing document page lengths.
* Based on the length of the first document page, the scanner
detects a double feed when fed a different-length page.
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Prescan
At the start of scanning, this function prescans the first page and
pauses so that you can adjust brightness and contrast before
resuming scanning.
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Verify Scan
While scanning, the scanned page count is verified against a pre-
specified count or that obtained from Count-Only Mode.
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Text Orientation Detection
The text orientation on each page is detected, and the scanned
image is rotated in 90-degree increments as necessary for
normalization.
Image Processing
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Prevent Bleed Through/Remove Background
Prevents the background or original image on the reverse side of
thin originals from appearing in scanned images.
Fixed-size scan
Auto-size-detection
scan
Orientation of
document
Image rotated by text
orientation detection