RIGHTINK 8Pack (2BK/2C/2M/2Y) Ink Cartridge Replacements for HP934XL 935XL For HP Officejet 6100 6600 6700 7100 7110 7610 7612 Printers Package Lists :2x 934XL Black , 2 x 935XL Cyan, 2x 935XL Magenta, 2 x 935XL Yellow Page yield (Black) : 1000 pages per cartridge, at 5% coverage, 825 pages per cartridge, at 5% coverage. Type:Remanufactured Ink Cartridges (Not made by HP) Compatible With - HP Officejet 6812 e-All-in-One Printer - HP Officejet Pro 6830 e-All-in-One Printer - HP Officejet 6815 e-All-in-One Printer - HP Officejet Pro 6835 e-All-in-One Printer - HP Officejet Pro 6230 ePrinter Good after-sales service an all products covered by a 100% satisfaction guarantee and 90 days warranty