HaloFox Compatible Ink Cartridge Replacement for HP 934 XL 935 935XL 934XL for Officejet Pro 6230 6830 6835 Officejet 6220 6812 6815 6820 (1 BK Pack)

??Model: HaloFox compatible ink cartridges replacement for HP 934 high yield 934XL ???Compatible Printers: HP 6220, 6800, 6812, 6815, 6820, 6822, 6825, Pro 6230, 6830, 6835, 6836 Printer. ??High Page Yield: Black is 1200 pages per cartridge(5% coverage) ??Package include: 1 x Black 934XL ??Ink Quality: premium ink delivers crisp text and graphics ??Warm Tip: please confirm your printer model before ordering ??Do not touch the copper-colored electric shock or ink nozzles to avoid appearing clogged ink nozzles, non-jetting, and poor electrical connections.