The HP DeskJet 2700 series uses HP 67 and HP 67XL ink cartridges, which come in black and tri-color. Here are some options for purchasing ink cartridges for the HP DeskJet 2700:

• HP 67 Black/Tri-color Ink Cartridges (2 Count - Pack of 1)
• HP 67XL Black High-yield Ink Cartridge
• HP 67 Black Ink Cartridge
• HP 67XL Tri-color High-yield Ink Cartridge
• Replacement HP DeskJet 2700 Ink Cartridges from CompAndSave
• Compatible HP DeskJet 2700 Ink cartridges from Clickinks
• HP 305 ink cartridges from Cartridge People

When replacing ink cartridges, make sure the printer is turned on and load a stack of plain white paper in the paper tray. Open the ink access cover in front of the printer, remove the old cartridge, and insert the new one into its respective slot. Close the ink access cover and let the printer print the alignment test page.