Always check the Epson Support site for the latest firmware. Sometimes "errors" are just bugs that a quick update can fix.
Are you trying to reset it because of or connectivity ? Do you have a USB cable handy to connect it to a computer?
The Epson EcoTank L4260 is a reliable workhorse, but like any piece of hardware, it can occasionally run into software glitches, "Service Required" errors, or connectivity drops. Knowing how to perform a reset can save you a costly trip to the service center. how to reset epson l4260 printer link
Click "Check" to see the percentage, then click "Initialize" to set the counter back to 0%. Restart: Turn the printer off and back on when prompted.
Go to the Maintenance tab and select "Waste ink pad counter." Always check the Epson Support site for the latest firmware
If you are resetting because of poor print quality, try a "Power Cleaning" from the Maintenance menu first.
Before proceeding, identify which problem you are trying to solve. Different issues require different types of resets: Use a Network Settings Reset. Do you have a USB cable handy to connect it to a computer
Use a Factory Reset to wipe personal data. Method 1: The Soft Reset (Power Cycle)
Returns the printer to factory-fresh software status. Select Yes to confirm and wait for the printer to reboot. Method 3: Resetting the Ink Pad Counter (Service Required)