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Model name
Model number
X555dn models
C2S11A
X555xh models
C2S12A
Windows Vista, 32-bit and 64-bit
NOTE: Windows Vista Starter is not supported by
the software installer or the print driver.
Windows 7, SP1 or later, 32-bit and 64-bit
Windows 8, 32-bit and 64-bit
Windows 8.1, 32-bit and 64-bit
Windows 2003 Server SP2 or later, 32-bit and 64-bit
NOTE: The software installer does not support the
64-bit version, but the print driver supports it.
NOTE: Microsoft retired mainstream support for
Windows Server 2003 in July 2010. HP will continue
to provide best-effort support for the discontinued
Server 2003 operating system.
Windows Server 2008, 32-bit and 64-bit
Windows Server 2008 R2, 64-bit
Windows Server 2012, 64-bit
Mac OS X 10.6, OS X 10.7 Lion, OS X 10.8 Mountain
Lion, and OS X 10.9 Mavericks
1
The HP ePrint Software supports the following operating systems: Windows Vista® (32-bit and 64-bit); Windows 7 (32-bit and 64-
bit); Windows 8 (32-bit and 64-bit); and Mac OS X 10.6, OS X 10.7 Lion, OS X 10.8 Mountain Lion, and OS X 10.9 Mavericks.
2
The list of supported operating systems applies to the Windows PCL 6, UPD PCL 6, UPD PCL 5, UPD PS, and Mac print drivers and to
the in-box software installation CD. For a current list of supported operating systems, go to
www.hp.com/support/ojcolorX555 for
HP's all-inclusive help for your product. If you are located outside the US, go to
www.hp.com/support, select a country/region, click
Drivers & Software, and then provide the product name or number. In the Download Options area, click Drivers, Software &
Firmware.
3
The HP Software Installer CD installs the HP PCL 6 driver for Windows operating systems along with other optional software. Mac
installer software is not included on the CD. The CD provides steps to download the Mac installer software from
www.hp.com. Go to
www.hp.com/support, select the country/region, and then click Drivers & Software. Enter a product name or number. In the
Download Options area, click Drivers, Software & Firmware. Click the operating system version, and then click the Download
button in the Driver table.
NOTE: The latest operating system support can be found online at: www.hp.com/support/ojcolorX555.
NOTE: For downloads of, and more information about, the HP UPD Postscript, PCL 5, and PCL 6 drivers, see
www.hp.com/go/upd.
UPD PCL 5 is not supported for Windows operating systems. For additional details on client and server
operating systems for the HP UPD, go to
www.hp.com/go/upd, and then click the Specifications tab.
NOTE: For more information about mobile printing solutions, go to www.hp.com/go/mobileprinting;
www.hpconnected.com; or www.hp.com/go/LaserJetMobilePrinting.
ENWW Product comparison 3