Epson AcuLaser C1900 Reference Manual page 130

Follow these steps to use the Re-Print Job option.
1. Make printer driver settings as appropriate for your
document, then open the Basic Settings menu and click the
Reserve Jobs icon. The Reserve Jobs Settings dialog box
appears.
2. Select the Reserve Job On check box and the Re-Print Job
radio button.
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Using the Printer Software with Macintosh