The large box-like design of the Epson C33S020601 ink cartridge allows for a full 32.6ml of black pigment based ink to be included. This substantial amount of top-quality black ink allows the Epson SJIC22P to do an incredible amount of printing before it needs changing.Designed with top of the line four-colour ColourWorks label printers like the TM-C3500 in mind, the results from the Epson SJIC22P(K) are incredible. Also great for producing tickets or tags, prints from the Epson S020601 black ink cartridge dry quickly and retain the produced image for a substantial period of time.