The HP M1536dnf Laserjet Pro printer brings printing, copying, scanning and faxing within easy reach. With a print speed of 25 pages per minute the HP M1536dnf will keep up with your busy office. The print resolution of the HP M1536dnf is 1200x1200 dpi giving sharply defined text and clear business graphics. Print, scan, copy and fax Print Speed: up to 25ppm Print Resolution: up to 1200x1200 dpi Paper Capacity: 250 sheets A4 Memory: 128MB Connectivity: Hi-Speed USB 2.0, one 10/100 Ethernet network port 2 line LCD display Scanner Resolution: up to 1200 dpi Copy Resolution: up to 1200x1200 dpi Copy Speed: up to 15 cpm 12 month warranty Fax Speed: 3 sec per page Fax Memory: up to 400 pages Operating System Required: Windows7 32-bit and 64-bit, Vista 32-bit and 64-bit, XP 32-bit Operating System Required (Driver only install): Windows Server 2003 32-bit, Windows Server 2008 32-bit and 64-bit, Mac OS X v 10.5.8, v 10.6, Linpus Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package), SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3) (supported by the automatic installer), HPUX 11 and Solaris 8/9 Paper output tray: 100 sheets WxDxH: 441x343x373 mm Weight: 11.7 kg