Light, compact, and fast, the MS331dn Monochrome Laser Printer supports output up to 40 pages per minute, multiple connectivity options, and an optional 550-sheet paper tray. Get your first page as fast as 6.2 seconds, and power through challenging jobs with a 1 GHz dual-core processor and 25 MB of memory. Plus, the business-class MS331dn fits almost anywhere. Its compact size and light weight make it easy to set up and easy to move. Compatibility: Ms331Dn. Specifications Color: Gray, White. Print Technology: Laser. Media Capacity ( max): 900 sheet( s). Standard Media Capacity: 350 sheet( s). Standard Media Size ( max): 8.5" x 14". RAM ( installed): 256.000 MB. RAM ( max): 256 MB. Memory, Standard/Maximum: 256MB. B&W Resolution ( max): 1200 x 1200 dpi. B&W V-Resolution ( max): 600 dpi. Dimension: 8.7" x 14.5" x 14.3". Weight: 10.52 lbs.