Using the Test Page function is a good way to test the communication between the printer and computer. The test page is sent directly from the printer driver and this enables you to determine if the problem is related to a communication issue or a problem with the application that is being used.
Before continuing, check the following:
Follow the instructions below to print a test page:
If an Epson printer is not present, the printer is not installed. Install the driver for your version of macOS according to the method recommended in the below article:
If there are parts of the text missing on the Test Page or the print quality is poor then head cleaning may be required. See How to use the Head Cleaning utility in macOS for assistance.