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GL-4
Inversion (Reverse-image reading)
In reverse-image reading, data is changed from black to white and vice versa.
IPC-2 pre-set mode
While reading binary images, it is necessary to set the scanner according to the quality of the sheet to be
read. In this mode these settings can be performed in advance by corresponding each setting to a pattern
number.
IPC II
Image processing option of this scanner.
IRAS
Initialization of the hardware.
Landscape
A document is transported and read with the long side vertical to the moving direction.
Letter size
A standard paper size used in the U.S.A. and other countries. Paper size is 8-1/2 x 11 inches (215.9 x
279.4 mm).
Linedrawing mode
Selecting linedrawing mode makes threshold and contrast settings effective but prevents brightness from
being set. The specified threshold value determines whether black or white pixels are scanned. Line-
drawing mode is therefore appropriate for scanning text and line art images.
Manual Feed mode = Manual Mode
Requires the operator to feed each document manually to the hopper table.
Manual start mode (<–> automatic start mode)
The reading operation is activated by pressing the START button in this mode.
Mirror image
The read image is symmetrically flipped to produce a mirror image of the original detected in the main
scanning direction.
16-GL 98.2.20, 10:59 AM4