Before you proceed, ensure you have the exact model. The is a specific variant often sold in Asian and South American markets (Indonesia, Philippines, India, Brazil). It is similar to the L3210 but has different USB VID/PID codes. Do not use an L3150 tool on an L3200. A verified L3200 tool checks the Printer Model ID via USB before unlocking the reset button.
The Epson Adjustment Program for the L3200 series is a maintenance utility that resets the waste ink pad counter to resolve "Service Required" errors and performs print head calibration. It is used to bypass the "E-11" error, although it is intended for authorized service centers rather than general users. Details on the process can be found at Epson Adjustment Program L3200 |verified| epson adjustment program l3200 verified