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.