14 APPENDIX A—TECHNICAL SPECIFICATIONS
32-bit and 64-bit versions: Windows 7, Windows Vista, Windows XP® (SP2 and higher), Windows Server
2003 (SP1 and higher), Windows Server 2008; Windows Server 2008 R2 64-bit
Citrix and Windows Terminal Services (see whitepapers at www.hp.com/go/upd, Documentation tab)
Mac OS X v 10.5, 10.6
Novell (see www.novell.com/iprint); Linux (see www.hplip.net); UNIX (see www.hp.com/go/unix,
www.hp.com/go/unixmodelscripts, and www.hp.com/go/jetdirectunix_software); SAP device types (see
www.hp.com/go/sap/drivers and www.hp.com/go/sap/print)
IPv4/IPv6: Apple Bonjour Compatible (Mac OS 10.2.4 or higher), SNMPv1/v2c/v3, HTTP, HTTPS, FTP, TFTP,
Port 9100, LPD, WS Discovery, IPP, Secure-IPP, IPsec/Firewall
IPv6: DHCPv6, MLDv1, ICMPv6
IPv4: Auto-IP, SLP, Telnet, IGMPv2, BOOTP/DHCP, WINS, IP Direct Mode, WS Print
Other: NetWare NDS, Bindery, NDPS, HP ePrint
SNMPv3, SSL/TLS, 802.1X authentication (EAP- PEAP, EAP-TLS), IPP over TLS, IPsec/Firewall with Certificate,
Pre-Shared Key Authentication, and Kerberos Authentication; Support for WJA-10 IPsec Configuration using
IPsec Plug-in
System requirements,
Windows
Windows 7, Windows Vista, Windows XP (SP2 and higher), Windows Server 2003 (SP1 and higher),
Windows Server 2008, Windows Server 2008 R2; 200 MB available hard disk space; for operating system
compatible hardware system requirements, see www.microsoft.com
System requirements,
Macintosh
Mac OS X v 10.5, 10.6; 150 MB available hard disk space; for operating system compatible hardware system
requirements, see www.apple.com
Dimensions (width x depth
x height)
M551n: 514 x 491 x 385 mm (20.2 x 19.3 x 15.2 in)
M551dn: 514 x 491 x 402 mm (20.2 x 19.3 x 15.8 in)
M551xh: 514 x 491 x 565 mm (20.2 x 19.3 x 22.2 in)
Weight (including print
cartridge)
M551n: 34 kg (74.8 lb)
M551dn: 34.6 kg (76.1 lb)
M551xh: 42.2 kg (92.8 lb)
Printer, four pre-installed HP LaserJet toner cartridges that yield approximately 5,500 pages black and 6,000
pages color,
4
toner collection unit, HP Jetdirect Gigabit Ethernet embedded print server, in-box documentation
(Getting Started Guide), software drivers and documentation on CD-ROM, power cable, 100-sheet multipurpose
tray 1, 500-sheet input tray 2
M551dn also includes: Built-in automatic two-sided printing
M551xh also includes: Built-in automatic two-sided printing, HP High Performance Secure Hard Disk (AES 128
encryption), 500-sheet input tray 3
One-year, next-day, onsite limited warranty