For ultimate consistency with print density and picture vibrancy, look to Toner Tap imaging supplies for Bizhub C3300i C4000i. Our premium line of color toners are a suitable replacement for Konica TNP81K TNP81C TNP81M TNP81Y. Our toner cartridge can print brighter (15% on regular copy paper) and bolder (20% on graphics 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 HIGH YIELD toner units. These cartridges have brand new toner inside. Prior to shipping, toners will be thoroughly inspected, sealed, and securely packaged.