The waste ink pad is still physically saturated with wet ink. If you run the digital resetter 2 or 3 times across a few years without ever looking inside the machine, the excess ink will eventually overflow out of the bottom of the printer casing, ruining your furniture or staining your floors.

If you are dealing with general glitches rather than ink pad errors:

While you should eventually replace the physical pads, the resetter gives you more time to use the printer. Where to Find Epson L3250 Resetter Free Download RAR