Specification:

Refillable ink cartridge with auto reset chip, don't need replace cartridge or chip, continuously use by refilling ink. Works with HP Designjet Z2100 Photo large format printer.

Compatible cartridge model:

C9448A (Matte Black), C9449 (Photo Black), C9451A (Light Gray), C9452A (Cyan), C9453A (Magenta), C9454A (Yellow), C9455A (Light Magenta), C9390A (Light Cyan)