Epson Stylus Pro 4000 Reference Manual page 150

PhotoEnhance
This setting provides a variety of image-correction settings that
you can apply to your photo images before printing.
PhotoEnhance does not affect your original data. When you select
this setting, you will need to make Tone, Effect, and Digital
Camera Correction settings.
Note:
❏ This mode is available only when 16-, 24-, or 32-bit color data.
❏ This mode is available only when 32-bit color is selected as your
monitor display setting for Macintosh.
❏ Printing with this mode may increase the time required for printing,
depending on your computer system and the amount of data
contained in your data.
150
Printing with Mac OS 8.6 to 9.x