Install or upgrade HP UPD version 5.1 and later
Use this section to install or upgrade HP UPD version 5.1 or later.
Determine the HP UPD version installed
To determine if the HP UPD is already installed, open the Printers folders using one of the following
methods:
Command Line: From a command prompt (Start>Run, type cmd, press enter) type the following
command to open the Printers folder: control printers.
User Interface: Dependent upon operating system version:
●
Windows XP: Click the Start button, and then select Printers and Faxes.
●
Windows Vista: Click the Start button, select Control Panel, locate the heading Hardware and
Sound, and select the sub-topic Printer.
●
Windows 7: Click the Start button, and then select Devices and Printers.
●
Windows Server 2003: Click the Start button, and then select Printers and Faxes.
●
Windows Server 2008: Click the Start button, select Control Panel, and then select Printer.
●
Windows Server 2008R2: Click the Start button, and then select Devices and Printers.
Select the printer, right mouse click, and then select either Properties or Printer Properties.
●
For an HP UPD dynamic mode installation, the HP UPD version displays on the lower left.
●
For an HP UPD traditional mode installation, select the About tab. The HP UPD version displays
at the top.
Microsoft Windows Driver Architecture
HP UPD v5.1 Install/Upgrade: The HP Universal Print Drivers (HP Universal Printing PCL5 and PCL
6) are dependent on the Microsoft Windows Unidriver (unidrv.dll) architecture. The HP UPD PS
driver is dependent on the Microsoft pscript5.dll. The HP UPD release notes provide the
unidrv.dll version used by HP for internal testing, and subsequently qualified by Microsoft’s
WHQL test process. The Microsoft WHQL certification gives the HP UPD the Certified for Windows
logotype. The HP UPD is supported by HP for all versions releases of unidrv.dll that remain
under Microsoft’s standard support. It is the expectation that Microsoft’s updates to unidrv.dll
and/or changes to pscript5.dll will be backward compatible in support of the Microsoft Windows
universal print driver architecture. Any unexpected behavior resulting from the dependency on the
Microsoft unidrv.dll or pscript5.dll requiring code change to the HP UPD would become a
candidate for fix in the next release of the HP UPD, and/or investigated with Microsoft, as required.
The HP UPD installer is one of several possible distribution mechanisms for the shared unidrv.dll
and pscript5.dll files. HP UPD v5.1 includes updated versions of the unidrv.dll and
pscript5.dll compared to prior releases. The HP UPD installation package may update the
unidrv.dll and pscript5.dll as necessary during install. Before installation, it is advised to
review this guide and the following Microsoft articles KB832219 (Users cannot print after you install a
service pack update, rollup, or printer hotfix on a server in Windows 2000 or in Windows Server
2003), KB944733 (The Add Printer Wizard stops responding in Windows Server 2003 SP1 when you
install a printer to a print server.), and KB829766 (Mailbox and other printer specific settings are
24 Chapter 5 Install and Uninstall of the HP UPD ENWW
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