Epson Stylus Pro 4400 Reference Manual page 333

4. Click the Device Manager tab.
If your drivers are correctly installed, EPSON USB Printer
Device should appear on the Device Manager menu.
If EPSON USB Printer Devices does not appear on the Device
Management menu, click the plus (+) sign beside Other
devices to view the installed devices.
If USB Printer, EPSON Stylus Pro 4400, or EPSON Stylus Pro
4800 appears under Other devices, the printer software is
not installed correctly. Proceed to step 5.
If neither USB Printer nor EPSON Stylus Pro 4400/EPSON
Stylus Pro 4800 appears under Other devices, click Refresh
or unplug the USB cable from the printer, and then plug it into
the printer again. Once you have confirmed that these items
appear, proceed to step 5.
Problem Solver
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