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Each cartridge individually print tested at manufacturing stage.. For HP Printers - Deskjet 1110, Deskjet 2130, Deskjet 3630, Envy 4520, Envy 4522, Envy 4523, Envy 4524, Officejet 3830, Officejet 4650. Colour - Colours. Yield - Up to 330 pages.