Changing ink Cartridges in HP Officejet 6600 - YouTube
HP Officejet 6600 e-All-in-One H711a - Multifunction printer - color - ink-jet - Legal (8.5 in x 14 in)/A4 (8.25 in x 11.7 in) (original) - Legal (media) - up to 32
High Yield 932 XL 933 XL Ink Cartridge Replacement for HP Ink 932XL Black 933XL Color for OfficeJet 6600 6700 7610 7612 7510 7110 6100 Printer (5 Pack) - Walmart.com