The following are the step-by-step guide on how to reset Epson XP320, XP420, XP424 ink pad reset using Epson Resetter Software. How To Reset Inkpad Using Epson Adjustment Program / Epson Resetter Tool Once these waste ink pads are overflow, the printer will stop printing instantly. Waste Ink Pads are a number of sponge pads inside your Epson XP320, XP420, XP424 series printers which are responsible for collecting, absorbing, accommodating unused ink during the cleaning of print-head or printing any documents. And, when the ink pads reach its limitation, the printer will send you warning alert and refuse to function normally. Every single printer, be it be Epson, Canon, HP, or Panasonic have an internal waste ink pads which collect the wasted ink during the process of head cleaning and printing.