Epson GT-30000 - Manual (Page 101)

Network Scanning
95
You won’t need to change the screen calibration as long as you continue
to use the same display. If you need to recalibrate your screen at a later
time, double-click the EPSON TWAIN HS Network icon in the Control
Panel to open the EPSON HS Network window. Then click the Screen
Calibration Utility button at the bottom of the window.
8. Follow the instructions on the screen to complete installation of any other
software you’ve selected in the EPSON Software Setup window.
9. If you want to install the ISIS driver, PixTools QuickScan, or Presto!
PageManager, see page 49 for instructions. When you’re done installing software,
restart your computer.