Epson Stylus Photo R320 Series Manual page 29

Note:
To reset the number of copies, select the photo and press the OK
button. The number of copies resets to 0 and the check box becomes
unchecked.
5. When you have finished selecting photos, press the Back
button, then press the OK button to confirm your selections.
6. When the numbers of all the photos you want to print have
been registered, press the Print button to print the selected
photographs.
Print the DPOF data
This printer conforms to DPOF (Digital Print Order Format)
version 1.10. DPOF lets you set the photo numbers and the
number of copies for photos on the digital camera before you
print. To create DPOF data that supports DPOF, you must use a
digital camera that supports DPOF. For the details about DPOF
settings, see your digital camera's documentation.
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