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A.4 Commands
Appendix A-55
iii)The memory installed is enough for reading.
For this scanner, the origin of the window is at the location shown below. The Y0-dot offset affects
the vertical scanning direction, and the X0-dot offset affects the horizontal scanning direction. Take
these offsets into account when specifying the X and Y coordinates of the top left corner of the
window.
The offset values must be within the ranges listed below. The minimum X0 and Y0 values are
within the range for ADF reading because of skewing.
Resolution (dpi) X0 (dots) Y0 (dots)
400 12 ±12 16 ±16
300 9 ±9 12 ±12
240 8 ±8 10 ±10
200 6 ±6 8 ±8
To set a value to zero, set ULX to 72 and ULY to 96. If this is done, however, part of the original
document will be missing.
(f) Brightness: Byte 16
Specifies the brightness for halftone (Byte 19=X’00’) output.
Value (Hex) Brightness
00 Default: same as value X’80’.
01
80
FF
Brightest
Normal
Darkest
X0
Y0
Original document to be read
Origin (ULX, ULY) = (0, 0)