Epson GT-6500 EN - Manual (Page 78)

Image trimming (1)
This section explains how to trim a rough image, and how to use the
ESC R, ESC H, and ESC A commands to rescan at the same
resolution and zoom values. This is useful when you want to check
the image from within your software and then reset the scanning area
for the next scan.
Rough scanned image Image after trimming
R
X1
: Main scan resolution (dpi) R
X2
: Main scan resolution (dpi)
R
Y1
: Sub scan resolution (dpi) R
X2
: Sub scan resolution (dpi)
H
X1
: Main scan zoom (%) H
X2
: Sub scan zoom (%)
H
Y1
: Sub scan zoom (%) H
Y2
: Sub scan zoom (%)
n
1
: main scan skip length N
1
: main scan skip length
n
2
: sub scan skip length N
2
: sub scan skip length
n
3
: main scan reading length N
3
: main scan reading length
n
4
: sub scan reading length N
4
: sub scan reading length
2-40 Command Usage