Compatible with: Expression: XP-850, XP-860, XP-950, XP-960, XP-970 XP Series: XP-850, XP-860, XP-950, XP-960 Page Yield*: 500 *Per Cartridge at 5% coverage (ISO/IEC standard) Replaces T277120 / T277 standard yield black compatible ink cartridge Color: Black Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.