Use EPSON Status Monitor to check the connection status for the computer and the printer.
Select System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print & Fax), and then select the printer.
Click Options & Supplies > Utility > Open Printer Utility.
Click EPSON Status Monitor.
When the remaining ink levels are displayed, a connection has been successfully established between the computer and the printer.
Check the following if a connection has not been established.
The printer is not recognized over a network connection
The printer is not recognized using a USB connection
Check the following if a connection has been established.
The printer is recognized, but scanning cannot be performed.
Cannot Scan Even Though a Connection has been Correctly Established (Mac OS)