** Fast & efficient colour laser printers** The SP C830DN/SP C831DN are fast, user-friendly, colour A3 laser printers that are ideal in a busy office environment. They are easy to operate via a large 4.3-inch colour touch panel. Heavyweight paper up to 300 g/m² is handled in a particularly smooth & reliable way. Powered by Ricohs next-generation controller (GWNX), they give you outstanding security, a low Total Electricity Consumption, & comprehensive device management capabilities. 45/55 A4 pages per minute. 4.3-inch colour touch panel. IC card authentication for increased security. Attractively designed. ECO Night Sensor reduces electricity consumption. Center machine for multiple users. All-round usability for all-round productivity. ** Easy operation** Operating the SP C830DN/SP C831DN is extremely straightforward, thanks to a 4.3-inch colour touch panel with a large display & animated menus. Touching the home button quickly returns you to the home screen. Further time-saving functions include auto job reset, cancel, & an option for high-volume printing. ** Office convenience** Create great-looking documents quickly & with minimal effort by using value-added finishing options such as a 2, 000-sheet booklet finisher, 3, 000-sheet finisher, punch unit & output jogger unit. Organise multiple jobs efficiently & enable users to effortlessly retrieve their documents by printing to the 4-bin mailbox. ** Extensive paper handling capabilities** The AficioSP C830DN/SP C831DN handle paper between 52 & 300 g/m² (from the bypass tray). The two standard trays each take 550 sheets, the bypass tray 100 sheets, & the two optional trays a further 3, 200 sheets, making a huge total capacity of 4, 400 sheets. Paper sizes include A3, A4, A5, B4, B5, foolscap, government, folio, quarto, legal & executive, ensuring that these devices meet all your printing needs. ** Innovative technologies** **ECO Night Sensor*