If you own an Epson EcoTank printer—specifically the popular L4150, L4160, or L4170 models—you have likely experienced the dreaded “Service Required” or “Parts End of Service Life” error. This message usually appears as a flashing error state on your printer’s screen, preventing any further printing, scanning, or copying.
During normal operation and head cleaning, Epson printers divert excess ink into a physical "absorber" or "waste ink pad." The printer uses a digital counter to estimate when this pad is full to prevent internal ink leakage. Epson L4150 L4160 L4170 Resetter Adjustment Program
Notes and cautions:
Epson L4150/L4160/L4170 Adjustment Program is a specialized service utility used by technicians to perform deep-level maintenance and "reset" critical internal components when standard software fails. Its most frequent application is resolving the "Service Required" error caused by a full waste ink pad counter. Core Deep Features The Ultimate Guide to the Epson L4150, L4160
Using the tool generally follows a standard sequence to bypass the service lock: In the menu, select Waste ink pad counter
: These utilities typically run on Windows XP through Windows 10. USB Connection