Using the official Epson driver ensures you have access to:
If your printer is already connected to the internet or via USB but is acting buggy, you can use the built-in update tool.
The Epson L4150 is a masterpiece of cartridge-free printing. But like any precision instrument, it relies on perfect communication. The driver is not just an installation file you forget; it is the operating system for your hardware.
Here is where most users get confused. Epson bundles two things together, but they are not the same.