If you want to do a proper fix:

Epson L405 Adjustment Program , also known as a resetter, is a service utility primarily used to resolve the " Service Required

: Click the Select button and choose "L405" from the Model Name dropdown. Manually select the specific USB port your printer is using instead of leaving it on "Auto selection". Mode : Choose Particular Adjustment Mode . Reset Counter : Find and select Waste ink pad counter and click OK.

Epson’s official firmware includes a safety feature that prevents a standard user from resetting the waste ink counter. The adjustment program exploits a service-mode command sequence. When launched, it sends a specific hex code to the printer’s controller, temporarily granting access to service-level functions.