Epson Adjustment Program Ver.1.0.6 352 [2021] -

The typical workflow for this software is as follows:

as an administrator, click "Select," and choose the specific model (e.g., Adjustment Mode

: Connect the printer to a computer via a USB cable (Wi-Fi or Ethernet connections often fail with this tool).

If you found this guide helpful, share it with fellow Epson owners. And remember: while this tool fixes the “Service Required” error today, always back up your printer’s EEPROM data first—just in case.

October 2023 Target Models: Epson L352, L355, L365, L366, and similar “L” series EcoTank printers

The other functions are advanced service modes.

: Provides deep-level cleaning, nozzle checks, and alignment settings that go beyond the basic utility menu.

The typical workflow for this software is as follows:

as an administrator, click "Select," and choose the specific model (e.g., Adjustment Mode

: Connect the printer to a computer via a USB cable (Wi-Fi or Ethernet connections often fail with this tool).

If you found this guide helpful, share it with fellow Epson owners. And remember: while this tool fixes the “Service Required” error today, always back up your printer’s EEPROM data first—just in case.

October 2023 Target Models: Epson L352, L355, L365, L366, and similar “L” series EcoTank printers

The other functions are advanced service modes.

: Provides deep-level cleaning, nozzle checks, and alignment settings that go beyond the basic utility menu.