LCL Compatible Ink Cartridge 934XL 935XL 934XLBK C2P23AE C2P24AE C2P25AE C2P26AE Replacement for HP Officejet Pro 6830 6230 6815 6835 6812 6820 6220 6836 6220 6800 6822 6825 (2KCMY)