The installation of this smart chip is required for a refilled LEXMARK E250A11A, E250A21A, E352H11A, E352H21A, E450A11A, E450A21A, E450H11A, or E450H21A cartridge to function properly. The chip is already included in our LEXMARK E250/E350/E352/E450 refill kits.
This chip allows your printer to display its toner level accurately and let you know when you are about to run of toner.
InkOwl smart chips are of high quality. They have been engineered to emulate the original chip's functionality. They are calibrated to the page yield of our toner kits.