If your L6270 is still under Epson warranty, the moment you use a third-party resetter, the service center will deny repairs. A "hot" hack is fully detectable by Epson's diagnostics.
: Beyond resetting counters, software tools can sometimes read diagnostic reports, clean printheads, and run ink charging routines. Critical Considerations resetter epson l6270 hot
Some third-party tools claim to reset the L6270: If your L6270 is still under Epson warranty,