Technology : Laser Max Resolution: Black (best): Up to 1200 x 1200 dpi, Color (best): Up to 1200 x 1200 dpi Print Speed : Up to 38 ppm Automatic Duplexing : Automatic Media Sizes : A4, RA4, A5, B5 (JIS), B6 (JIS), 10 x 15 cm, A6, 16K, envelopes (B5, C5 ISO, C6, DL ISO) Total Media Capacity : Up to 250 sheets (input) Interface : USB, LAN Monthly Duty Cycle (max) : Up to 120,000 pages A4 RAM: 1.25 GB (printer), 512 MB (scanner)