This company sells its products in multiples for discounts, but only gives a six month warranty. I purchased a total of six units from ABC to get the better pricing, and I keep these new kits ready for my printing needs. When I did attempt to refill my cartridge with a color toner refill kit, beyond that six month period, a wrong component in the kit made it not work at all. After a brief email exchange that gave no satisfaction, ABC Ink.com stonewalled me again, and pointed me to their wholesale supplier, uni-kit.com, a worldwide wholesaler... read full review »