Epson Macintosh - Manual (Page 17)

You see the following screen:
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From the Export File Format pull-down menu, select a
format your application software can open, such as PICT.
In the Export image as field, type the name you want to use
for the calibration chart file, such as COLOR1.
Click Export to create the calibration chart in the EPSON
Scan! II folder.
Exit EPSON Scan! II.
Start your image editing application.
Open the calibration chart file you just created in the EPSON
Scan! II folder.
The calibration chart appears in the application window. It
contains nine blocks of color gradations, some grayscale
gradations, and a black border on three sides.
Save the calibration chart file. You can use the same name
you assigned when you exported the chart, or you can
assign a new name.
Calibrating Your System 2-5