Click , select the Epson L1800, and ensure the "Use" dropdown selects the official Epson driver rather than "AirPrint" to unlock full photo properties. Advanced Driver Settings for Professional Printing

The operating system is using a generic Microsoft or Apple driver instead of the official Epson driver.

Ensure the USB cable is securely connected to both the printer and the computer.

, you must use the official drivers. Downloading from the official Epson support site ensures you have the latest color profiles and utility tools.