It creates professional duplex (2-sided) documents in 4 copy formats including 1:1, 1:2, 2:1, 2:2 with simple one-touch buttons, saving on paper or additional equipment costs. The standard 550-sheet paper tray, 100-sheet multi purpose tray and optional 550-sheet additional tray are able to print up to 1,200sheets. It will be much help to make less reloading and save your time and efforts. The intuitively designed operation panel has ergonomic one-touch buttons such as frequently using features - collate, reduce/enlarge, lighten/darken and a clear LCD display and an Error Indicator for instant job status checking and more direct control. Just push the one-touch button to reduce toner consumption up to 30% while still getting high quality printouts in a slightly lighter tone. Allow you to maximise the use of the 20,000 page yield drum unit by replacing the 8,000 page yield toner cartridge separately, thereby extending the drum's usability. With the scan to SMB (Server Message Block) feature, user can store scanned documents directly to a shared folder in user's PC. Max 20destinations as shared folder and encrypted password are available. SAMSUNG's powerful scan to e-mail solution lets you e-mail documents to anyone in the world directly from your network-connected multi function printers. It is an efficient way to digitise and transmit large quantities of documents. Simply scan hardcopy documents, convert them to digital format, and store in a specified directory on the in-house or external FTP server. It is a very effective scan solution for transferring large size documents due to its dedicated functionality.