Special design for a low cost 6 colors continuous bulk ink system for HP Photosmart 3110, 3110v, 3110xi, 3207, 3210, 3210v, 3210xi, 3310, 3310xi, 8230, 8238, 8250, C5140, C5150, C5180, C5183, C5185, C5188, C6150, C6175, C6180, C6183, C6185, C6188, C6240, C6250, C6275, C6280, C6283, C6286, C6288, C7150, C7180, C7185, C7250, C7275, C7280, C7283, C7288, C8150, C8180, C8183, D6160, D7145, D7155, D7160, D7163, D7168, D7245, D7250, D7255, D7260, D7263, D7268, D7280, D7345, D7355, D7360, D7363, D7368, D7460 and all other HP printers that use the HP 02 black or C8721wn black ink cartridge,HP 02 C or C8771wn Cyan ink cartridge,HP 02 M or C8772wn Magenta ink cartridge,HP 02 Y or C8773wn Yellow ink cartridge, HP 02 LC or C8774wn Light Cyan ink cartridge, HP 02 LM or C8775wn Light Magenta ink Cartridge.