For end-users, this tool is essential to bypass the "service required" lockout without physically replacing the waste ink pads (though replacing or cleaning the pads is still recommended).
Epson L405 Resetter / Adjustment Utility
The L405 whirred. The print head carriage slid left, then right, with a confident clack-shhh . The gears turned, a mechanical throat-clearing. Then, the miracle: the flashing red lights didn't return. Only the steady, solid glow of the green power light remained.
: Fine-tuning for top margins, paper feed (PF) band, and motor heat protection controls. Step-by-Step Reset Process