Enabling The Optional Paper Cassettes - Os X - Epson WF-R8590 User Manual

You see a window like this:
3. Make sure Acquire from Printer is selected, then click Get.
The optional paper sources are listed in the Current Printer Information section.
4. Click OK.
The optional paper cassettes are now enabled.
Parent topic:
Related tasks
Synchronizing Printer Settings - Epson Universal Print Driver - Windows
Enabling the Optional Paper Cassettes - PostScript Printer Software - Windows

Enabling the Optional Paper Cassettes - OS X

You need to enable the optional paper cassette units before you can use them with the printer software.
Installing the Optional Paper Cassette Units
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