Samsung's SCX-4521Fg Laser Multifunction Printer, Copier, Fax, Color Scanner gives you a great mix: Small size with big results. Smaller and faster is better, and the compact SCX-4521Fg is proof. It's an economical and efficient four-in-one solution for home-based and small office settings. Print sharp text and graphics at speeds up to 20 ppm. Fax fast with 3-second scan and 3-second transmission speeds. Fax directly from your PC. Or copy and scan with distinctly professional results. Print: Copy Speed - Up to 20 ppm Optical Resolution - 600 x 300 dpi Text text/photo 600 x 600 dpi Photo mode Enhanced Resolution - 600 x 600 dpi First Copy Out Time - 11 seconds (from Standby mode) Zoom Rates - 25~400% (platen); 25~100% (ADF) Multiple Copies - Up to 99 pagesScan - Compatibility - TWAIN and WIA Standard Color CIS Scanning 24-bit external color bit depth 256-level grayscale Resolutions - 600 x 600 dpi (Optical); 4800 x 4800 dpi (Enhanced) Effective Scan Length - 11.7 (297 mm) Effective Scan Width - 8.2 (208 mm) Fax - Compatibility - ITU-T Group 3, ECM Works with Public Switched Telephone Network (PSTN) or behind PABX 33.6 Kbps modem speed Transmission Speed - Approx. 3 seconds per page 2MB memory Auto Dial up to 100 locations General Specs - 150-sheet Multi-purpose Tray; 1-Sheet Manual Tray Media Sizes - Legal, A4, Letter, Folio, Executive, JIS B5, A5, A6, Envelope6 3/4, 7 3/4, #9, #10, DL, C5, C6, ISO B5, Monarch Env 76 x 127 mm (3 x 5) ~ 216 x 356 mm (8.5 x 14) ADF Capacity - 30 sheets(Letter / A4, 20 lb) ADF Document Size - 142 ~ 216mm (5.6 ~ 8.5)Width; 148 ~ 356mm (5.8 ~ 14.0) Length Warm-up Time - Less than 35 seconds (from Sleep mode) 2 x 16-line LCD display 16 MB memory USB and FireWire connection Network Connections - Ethernet 10/100 Base TX (External) - ML-00ND Power Source - 110 ~ 127 VAC, 50/60 Hz Operatin