Memory Size: 64 MB | First Print Time: 8.5 s (from standby) | 30 ppm (A4) High-Speed Laser Printing | 28 ppm High-Speed Duplex Printing | Duplex Printing: Yes (A4, LTR, LGL, 216 x 330 mm, 216 x 340 mm) | 50 Sheets Reserve Automatic Document Feeder | Up to 2400 × 600 dpi (Interpolated) Print Resolution | Up to 600 x 600 dpi Copy Resolution | Up to 600 x 1200 dpi (Optical) / Up to 19200 x 19200 dpi (Interpolated) Scan Resolution | PC Fax with 33.6 kbps Super G3 Fax Modem | 500 Sheets Capacity Input Tray | Scan To FTP Server / SMB Folder | Direct Print / Scan From / To USB | Document Memory (7.9 MB) | Handset Included | Network Ready (10 Base-T / 100 Base-TX) | Caller ID Compatible | Power Consumption: Maximum: 1000 W, Copy: 500 W, Ready: 55W, Sleep: Less than 1 W | Supported OS: Windows XP, Windows Vista, Windows 7, Windows 8, Windows Server 2008, Windows Server 2012, Mac OS X 10.5 - 10.8 | 400 x 413 x 400 mm | 16 kg