Features: Print with excellent quality and high speed: - You can print up to 1200 x 1200 dpi effective output (ML-2570, ML-2571N) or 1200 x 600 dpi effective output (ML-2510). - Your printer prints A4-sized paper at up to 24 ppma and letter-sized paper at up to 25 ppm. Handle paper flexibly: - Manual tray supports one sheet of envelopes, labels, transparencies, custom-sized materials, postcards and heavy paper. - Standard 250-sheet tray supports plain paper. - 100-sheet output tray supports convenient access. Create professional documents: - Print Watermarks. You can customize your documents with words, such as “Confidential.” - Print Posters. The text and pictures of each page of your document are magnified and printed across the sheet of paper and can then be taped together to form a poster. Save time and money: - Your printer allows you to use toner save mode to save toner. - You can print on both sides of the paper manually to save paper [Double-side Printing (Manual)]. - You can print multiple pages on a single sheet of paper to save paper (N-Up printing). - You can use preprinted forms and letterhead with plain paper. - Your printer automatically conserves electricity by substantially reducing power consumption when not in use. Expand the printer capacity: - A Network interface enables network printing. You can buy and add an external wired network interface server to the ML-2510 and ML-2570. The ML-2571N comes with a built-in network interface, 10/100 Base TX. Print in various environments: - A PostScript 3 Emulation (PS) enables PS printing in the ML-2570 and ML-2571N.