Designed to fit your office budget and the way you work the world's smallest plotters[1] provide outstanding simplicity. Send multiple files in just one click.[3] Print your A1 plot as fast as 30 seconds. 500 MB memory.Dynamic securityN/ADynamic security enabled printerProduct DisclaimerN/ACertain HP printers are intended to work only with cartridges that have a new or reused HP chip or electronic circuitry. These printers use dynamic security measures to block cartridges using a non-HP chip or electronic circuitry. Periodic firmware updates will maintain the effectiveness of these measures and block cartridges that previously worked. Reused HP chips and electronic circuitry enable the use of reused remanufactured and refilled cartridges. More at http://www.hp.com/learn/ds