Xerox WorkCentre Pro 385 User Manual page 202

In addition, the Printer Setup Window contains a row of three buttons at the
bottom of the window. These buttons are used as follows:
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OK: Click on this button to apply changes, and return to the Print
dialog window.
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Cancel: Click on this button to immediately terminate the Printer
Settings Tab Menu, and return to the Print dialog window. Any
parameter changes that have not been applied are ignored.
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Apply: Click on this button to immediately apply any changes so they
will not be ignored.
Image Quality Tab
The Image Quality tab is shown below:
5-6 Printing