Printer Color Management - Epson Stylus Pro 4000 Reference Manual

Printer Color Management

This option gives you control over the color matching and
adjustment methods provided with the printer driver.
Use these settings to experiment with new printing ideas or to
fine-tune a range of printer settings to meet your individual
needs. Once you are satisfied with your new settings, you can add
them to the Custom Setting list in the Print dialog box.
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Printing with Mac OS X