NEW! Smart chip replacement for the HP 3500 and HP 3700 color laserjet toner cartridges. The smartchip allows your refilled HP 3500 toner cartridges to have the same functions as the OEM, including supplies status information, toner low/out indicator, and information regarding pages printed/remaining. HP 3500 smartchip replaces the chip on the original HP 3500 cartridges (Q2670A, Q2671A, Q2672A, Q2673A). HP 3700 smartchips are also available! Please select smartchips for your HP 3500 or HP 3700 cartridge below. HP 3500 and HP 3700 black cartridges use the SAME smartchip. There are separate smartchips for the Cyan, Yellow and Magenta cartridges for HP 3500 and HP 3700.