Many HP printers including the DeskJet 2742e don't have drivers directly available on the HP site anymore with the company opting to have the drivers included with Windows updates. Drivers are below for this printer, this is especially helpful for a PC's that are not connected to the Internet for security purposes.
Basic Specs:
What Ink cartridges does the HP DeskJet 2700 use?
HP 67XL Black High Yield Ink Cartridge (3YM57AN#140), print up to 240 pages
HP 67 Tri-Color Standard Yield Ink Cartridge (3YM55AN#140), print up to 100 pages
HP 67XL/67 Black High Yield and Tri-Color Standard Yield Ink Cartridge, 2/Pack (3YP30AN#140)
