Consumers worried about these pricey standard tanks do have the option of high-yielding black HP C4685 ink cartridges that last for a maximum of 600 pages. These inkjet tanks are great alternative for users planning on producing larger outputs and who don't want to spend a lot on printer ink. Also, high-yielding tricolor HP Photosmart C4685 ink cartridges compatible with this unit last about 450 sheets, an amount that fits the needs of users intending to print large amounts of photos and graphic documents.