The single black ink cartridge contains epson quickdrytrade ink ensuring high quality laser sharp black output as part of the dual ink cartridge technology the separate black ink cartridge can be replaced individually for even lower printing costs general purpose inkjet printers epson stylus color 400 epson stylus color 440 epson stylus color 460 epson stylus color 600 epson stylus color 640 epson stylus color 660 epson stylus color 670 epson stylus photo 1200 photo inkjet printers epson s