Epson Expression 1680 Reference Manual page 22

Note for EPSON TWAIN Pro Network users:
Although the screens shown in this guide are for EPSON TWAIN Pro,
they also apply to EPSON TWAIN Pro Network.
Note:
If you attempt to scan an image that exceeds your computer's available
memory or disk space, an alert appears on the screen.
2-2
Understanding EPSON TWAIN Pro Features