Technology : Laser Type : Printer / Copier / Scanner / Fax / Email Max Printing Resolution (B/W) : 1200 x 1200 dpi Max Printing Speed (B/W) : Up to 38 ppm Max Copying Resolution (mono): 600 x 600 dpi Max Copying Speed (mono) : Up to 38 ppm Maximum Copies : 999 Automatic Duplexing : Yes Media Sizes : A4, A5, A6, B5 (JIS) Total Media Capacity : 150 sheets Interface : LAN, USB Monthly Duty Cycle (max) : 80000 pages RAM (Max Supported) : 512 MB Hard Disk Drive : N/A