Epson Stylus Pro 7800 - Checking the Ink Levels

42 Printing with Windows
Checking the Ink Levels
You can check the amount of the remaining ink of each ink
cartridge.
Note:
If EPSON Stylus Pro 9800/7800 is not connected properly or EPSON
Status Monitor 3 is not installed, Cartridge Option appears instead.
The Cartridge Option is not displayed for EPSON Stylus Pro
9400/7400.