Hewlett Packard HP Officejet Pro K850dn Color > Download Drivers, Utilities and Firmware

Mac OS X
System requirements: Mac OS X
Description: This firmware upgrade is for HP Officejet Pro K850 and K850dn printers.

To check the version of your current printer firmware:
Printing a Configuration Page
Press and hold the Power Button and pressing the Cancel (X)
button once then the release the Power Button. The current
firmware version will appears next to the Printer Revision in the printed Configuration Page.
Enhancements: Incorrect translations of linkspeed in Portuguese Embedded Web Server (EWS).

Printer does not advertise its full name to DHCP server

Mac OS X
Description: This driver package supports the HP Officejet Pro K850 and K850dn printer on Mac OS X 10.2

The driver package includes:

Printer driver

HP Printer Utility

User Guide

Release Notes

Mac OS X
Description: This driver package supports the HP Officejet Pro K850 and K850dn printer on Mac OS X 10.4

The driver package includes:

Printer driver

HP Printer Utility

User Guide

Release Notes

Mac OS X
Description: This driver package supports the HP Officejet Pro K850 and K850dn printer on Mac OS X 10.3

The driver package includes:

Printer driver

HP Printer Utility

User Guide

Release Notes

Mac OS X, Mac OS X 10.5, Mac OS X 10.3, Mac OS X 10.4
System requirements: No additional prerequisites
This download includes the HP Officejet driver, HP Printer Utility, and HP Photosmart Studio imaging software for Mac OS X v10.3.9, v10.4 and v10.5.
Enhancements: Original Software/Drivers

Microsoft MS-DOS
Description: Many printer features can be accessed through application-specific DOS printer drivers; however, some software manufacturers do not develop printer drivers for their DOS applications. Use hp Deskjet Control Panel for DOS to specify the default printer settings for printing from DOSapplications.

Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows Server 2003
Description: This driver supports the HP Officejet Pro K850 and K850dn printer on Windows 2000, Windows XP 32 bit and Windows Server 2003.

Please note that this driver includes:

Printer driver installer

PCL3 printer drivers

Printer toolbox

User's guide

Enhancements: Improves print spooler memory management

2 bytes bold font (Japanese, Korean, Chinese Traditional and Chinese Simplified font) does not appear bold in the printout in a Microsoft Windows XP environment

Print dialog screen is corrupted when printing from Realfast software

Unnecessary spaces between the characters when printing document with EUDC (End User Define Character) fonts in Japanese OS

Not able to print on custom paper size larger than 330 x 483mm (13 x 19 inches)

Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows Server 2003
Description: This driver supports the HP Officejet Pro K850 and K850dn printer on Microsoft Windows 2000, Windows XP 32 bit and Windows Server 2003.

It contains ONLY the driver and does NOT include installation instructions, the printer driver uninstaller or the printer toolbox.
Enhancements: Enhancement: improve print spooler memory management

2 bytes bold font (Japanese, Korean, Chinese Traditional and Chinese Simplified font) does not appear bold in the printout in a Microsoft Windows XP environment.
Print dialog screen is corrupted when printing from Realfast software.
Unnecessary spaces between the characters when printing document with EUDC (End User Define Character) fonts in Japanese OS.
Not able to print on custom paper size larger than 330 x 483mm (13 x 19 inches).

Microsoft Windows 2000, Microsoft Windows XP
Description: Do you need to update?

This driver patch is to address 'print job disappear' while using QuarkXpress v6.1 and v6.5 on Microsoft Windows 2000 and Windows XP 32 bit operating systems.

NOTE: Please remember to re-install this patch if you need to re-install the print driver in your system.

Microsoft Windows 98, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP, Microsoft Windows Server 2003
Description: Use this utility ONLY if the software was not successfully installed, or the Uninstaller could not be found. Repeat the whole installation process again after this is done.

Microsoft Windows 98, Microsoft Windows NT 4.0, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP, Microsoft Windows Server 2003
System requirements: Microsoft Windows 2000
Microsoft Windows XP
Microsoft Windows 2003
Microsoft Windows 98
Microsoft Windows ME
Microsoft Windows NT
Description: This firmware upgrade is for HP Officejet Pro K850, K850dn printers.

To check the version of your current printer firmware, use either one of the following options:

Toolbox
1. Click Start, select All Programs> HP Officejet Pro K850 series> HP Officejet Pro K850 series Toolbox.
2. On the Information tab, click Printer Hardware. The current firmware version will appears in the Printer Information dialog box.

Printing a Configuration Page
1. Press and hold the Power Button and pressing the Cancel (X) button once then the release the Power Button. The current firmware version will appears next to the Printer Revision in the printed Configuration Page.
Enhancements: Incorrect translations of linkspeed in Portuguese Embedded Web Server (EWS).

Printer does not advertise its full name to DHCP server

Microsoft Windows 98, Microsoft Windows NT 4.0, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP, Microsoft Windows Server 2003
System requirements: Microsoft Windows 2000
Microsoft Windows XP
Microsoft Windows 2003
Microsoft Windows 98
Microsoft Windows ME
Microsoft Windows NT
Description: This firmware upgrade is for HP Officejet Pro K850, K850dn printers.

To check the version of your current printer firmware, use either one of the following options:

Toolbox
1. Click Start, select All Programs> HP Officejet Pro K850 series> HP Officejet Pro K850 series Toolbox.
2. On the Information tab, click Printer Hardware. The current firmware version will appears in the Printer Information dialog box.

Printing a Configuration Page
1. Press and hold the Power Button and pressing the Cancel (X) button once then the release the Power Button. The current firmware version will appears next to the Printer Revision in the printed Configuration Page.
Enhancements: Incorrect translations of linkspeed in Portuguese Embedded Web Server (EWS).

Printer does not advertise its full name to DHCP server

Microsoft Windows 98, Microsoft Windows NT 4.0, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP
Description: This line feed calibration tool is available for users to download to reduce the dark/white lines appearing in image printing.

NOTE: This does NOT guarantee a complete elimination of dark/white lines but will help to reduce or minimize the effect. The printer driver has to be installed prior to using this tool.

The Line feed calibration tool supports LPT or USB connectivity in Microsoft Windows 98/NT/2000/ME/XP.

Microsoft Windows 98, Microsoft Windows NT 4.0, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP
Description: This line feed calibration tool is available for users to download to reduce the dark/white lines appearing in image printing.

NOTE: This does NOT guarantee a complete elimination of dark/white lines but will help to reduce or minimize the effect. The printer driver has to be installed prior to using this tool.

The Line feed calibration tool supports LPT or USB connectivity in Microsoft Windows 98/NT/2000/ME/XP.

Microsoft Windows NT 4.0
Description: This driver supports the HP Officejet Pro K850 and K850dn printer on Microsoft Windows NT4.0

It contains ONLY the driver and does NOT include installation instructions, the printer driver uninstaller or the printer toolbox.

Microsoft Windows Vista, Windows Vista Business (64-bit), Windows Vista Ultimate (32-bit), Windows Vista Ultimate (64-bit), Microsoft Windows Vista (64-bit), Windows Vista Enterprise (32-bit), Windows Vista Home Premium (64-bit), Windows Vista Home Basic (64-bit), Windows Vista Business (32-bit), Windows Vista Enterprise (64-bit), Windows Vista Home Basic (32-bit), Windows Vista Home Premium (32-bit)
System requirements: Important! Please ensure that the HP printer driver for your printer is installed before you download and install the HP Toolbox software. For more information on how to install the HP print driver, do the following:
Click the Software and Driver downloads link on the left.
Click the Microsoft Windows Vista or Microsoft Windows Vista (64-bit) link.
Click the HP Printers – Installing the Printer Driver Located in Windows Vista link and follow the instruction to install the HP print driver.

Description: This download includes the HP Toolbox software for your printer. The Toolbox provides status and maintenance information about your printer. It also provides access to documentation and online help tools for solving printer problems.

This download does NOT include the print driver solution for your HP printer. The print driver solution for this product is included in your Windows Vista operating system and is already on your computer.
Enhancements: Original software

Windows XP Professional x64 Edition, Microsoft Windows XP x64
Description: This driver supports the HP Officejet Pro K850 and K850dn on Microsoft Windows XP Professional x64 Edition.

It contains ONLY the driver and does NOT include installation instructions, the printer driver uninstaller or the printer toolbox.
Enhancements: Improves print spooler memory management

2 bytes bold font (Japanese, Korean, Chinese Traditional and Chinese Simplified font) does not appear bold in the printout in a Microsoft Windows XP environment

Print dialog screen is corrupted when printing from Realfast software

Unnecessary spaces between the characters when printing document with EUDC (End User Define Character) fonts in Japanese OS

Not able to print on custom paper size larger than 330 x 483mm (3 x 19 inches)