Epson EPL-5000 Guide De L'utilisateur page 565

4. If you want to make your print mode settings permanent, add
an asterisk at the end of the name you assign them. If not,
skip this step.
Note:
Once you have made your print mode settings permanent, they
cannot be deleted or overridden with other settings, even if you
delete the asterisk from its name.
5. Make sure that your settings are correct, then click OK to
return to the Main window and save the new print mode
settings.
Note:
Clicking OK in the Print Mode window saves the new print
mode settings, even if you click Cancel in the Main window.
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Printer Driver Configuration