HP M4555f

Functions: Print, copy, scan to USB, digital send, fax, and optional advanced paper handling Print speed black (normal, A4): Up to 52 ppm Duty cycle (monthly, A4): Up to 250,000 pages Print technology: Laser Print quality black (best): Up to 1200 x 1200 dpi Number of print cartridges: 1 black Scanner type: Flatbed, ADF Scan resolution, optical: Up to 600 dpi Bit depth: 30-bit Copy speed (black, normal quality, A4): Up to 52 cpm Copy speed (colour, normal quality, A4): Up to 52 cpm Fax transmission speed: 33.6 kbps Fax resolution: Up to 300 x 300 dpi (400 x 400 dpi for received faxes only)