For ultimate consistency with print density and picture vibrancy, look to Toner Tap imaging supplies for BizHub C224 C224e C284 C284e C364 C364e. Our TN321 line of toners are a suitable replacement for TN321K TN321C TN321M TN321Y. Our color toner/ink can print brighter (15% on regular copy paper) and bolder (20% on black prints) than other brands. Toner Tap cartridges can also perform at more efficient transfer rates, thereby conserving energy and providing an environmentally friendly alternative when replacing your toner supplies. You will receive four color toner units, one each for the black, cyan magenta and yellow. These cartridges have brand new toner inside. Toners will be properly sealed and securely packaged.