Epson EMP-TW 1000, Reference Manual

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Explanation:
This command specifies the reading color (color or monochrome), the
page, line, or byte sequence mode in color reading, and the dropout
color in monochrome reading.
❏
Color page sequence reading
The scanner scans the document three times, for green, red, and blue,
and produces three pages of image data that can be overlaid to
reproduce a full color image. Since the image data can be divided into
three sets, it is easier for a computer with limited storage, memory, or
processing speed to handle.
❏
Color line sequence reading
The scanner scans the document in one pass of the carriage, reading
green, red, and blue for every line. This yields a more accurate color
separation and, because the color for each pixel can be determined as
soon as it is scanned, the color correction function can be used.
❏
Color byte sequence reading
The scanner scans the document in one pass of the carriage, reading
green, red, and blue for every byte.
❏
Monochrome reading (standard)
In this mode, the scanner scans the document in one pass, and scans
the image in monochrome (black and white) format. With 8 bits per
pixel selected for the data format, the image data produced can
contain up to 256 shades of gray. In standard monochrome reading,
the dropout color is determined by the scanner model.
3-20
Command Reference