QINK Replacements for 934XL/935XL 5PK Ink Cartridges (2C2P23AN BLK 1 C2P24AN C 1C2P25AN M 1 C2P26AN Y) for OfficeJet 6812 6815 Pro 6230 6830 QINK (2Black 1Cyan 1Magenta 1Yellow) Remanufactured HP 934XL 935XL Ink Cartridges Compatible with HP Officejet Pro 6812, 6815, 6230, 6830, 6835 ISO9001 certified approved /100% print test ensure produces high-resolution printouts with clear images and sharp text High Capacity:Approx 1000 pages /Black 825 pages /Color at 5% coverage of A4 Easy to install Compatible Printer models: HP Officejet 6812 Printer, Officejet Pro 6830 Printer - Officejet 6815 Printer, Officejet Pro 6835 Printer, Officejet Pro 6230 Printer We stand behind every product we sell and offer a 100% satisfaction guarantee for a full refund (excluding shipping costs) of the purchase price within 30 days. Defective cartridge can be exchanged within 90 days.