Print From Your Computer : Macintosh Printing (OS X 10.4)

Select Advanced Print Options
After selecting the basic options on the Print window, you can click Advanced and select advanced options.
Click the Advanced button.
If you want to improve print quality, deselect High Speed (printing may be slower).
To flip the image you’re printing, click Mirror Image. (If you are printing on Epson Iron-on Cool Peel Transfer paper, turn on Mirror Image.)
To increase the print speed when Plain Paper/Bright White Paper is selected for the Media Type, click Fast Mode.
When you’re finished, you’re ready to print.