Hewlett Packard HP Officejet Pro K550dtn > Download Drivers, Utilities and Firmware

This driver package supports the HP Officejet Pro K550, K550dtn and K550dtwn printer on Mac OS X 10.2

The driver package includes:

Printer driver

HP Printer Utility

User Guide

Release Notes


Operating system(s): Mac OS X
Download file size: 75.81M

Installation Instructions

1. Download the file to your local hard drive.
2. Double click on the ojprok550_mac_10_2.dmg and then click Setup.
3. Click Install Driver and follow the onscreen instructions.
4. Select your connection type, click Done, and then follow the onscreen instructions to complete the driver installation.

This driver package supports the HP Officejet Pro K550, K550dtn and K550dtwn printer on Mac OS X 10.3

The driver package includes:
Printer driver

HP Printer Utility

User Guide

Release Notes


Operating system(s): Mac OS X
Download file size: 75.81M

Installation Instructions

1. Download the file to your local hard drive.
2. Double click on the ojprok550_mac_10_3.dmg and then click on Setup.
3. Click Install Driver and follow the onscreen instructions.
4. Select your connection type, click Done, and then follow the onscreen instructions to complete the driver installation.

This driver package supports the HP Officejet Pro K550, K550dtn and K550dtwn printer on Mac OS X 10.4

The driver package includes:

Printer driver

HP Printer Utility

User Guide

Release Notes


Operating system(s): Mac OS X
Download file size: 75.81M

Installation Instructions

1. Download the file to your local hard drive.
2. Double click on the ojprok550_mac_10_4.dmg and then click Setup.
3. Click Install Driver and follow the onscreen instructions.
4. Select your connection type, click Done, and then follow the onscreen instructions to complete the driver installation.

This firmware upgrade is for HP Officejet Pro K550, K550dtn and K550dtwn printers.

Fixes

Tray lock setting in Embedded Web Server (EWS) reset after printer power cycle

HP Jetdirect en3700 Fast Ethernet external print server disconnection after hours of inactivity

Enhancements

Reduce occurrences of paper jam, skew printing and paper dent.

New printhead servicing algorithm to enhanced the black printhead health.

Operating system(s): Mac OS X
Download file size: 8.06M
System Requirements

Mac OS X

Installation Instructions

1. From Mac OS X/Applications/Utilities, launch the HP Printer Selector.
2. From the HP Printer Selector window. Highlight your Officejet Pro K550 printer, ensure that the Utility is available and then click on Launch Utility".
3. With the HP Printer Utility open, hold the "option" key on your keyboard, press and release the "F" and then press and release the "D" key. Release the "option" key. A new option, "Update Firmware" will appear on the menu on the left.
4. Select Update Firmware, Click on the "choose" button and select the extracted firmware file *.fmw to be flash to the printer that you had selected earlier.
5. Select Update When the printer has completed the flashing process, it will power cycle itself.
6. Click on Device Information, the FW Version should reflect the new firmware version

Running Repair Permissions or installing Apple's 10.5.1 OSX update corrupts HP print drivers for specific Photosmart, Officejet and Deskjet products.

Fixes

Some print driver settings are inaccessible
File permissions are set incorrectly
Some installed files appear to be 0 bytes.

NOTE: Users who have not yet installed the 10.5.1 update, or who have not run Repair Permissions, should still run the patch installer to prevent possible future issues. See Step 4 below.


Operating system(s): Mac OS X, Mac OS X 10.5
Download file size: 160.4k
System Requirements

Mac OS X v10.5.x
HP driver v9.7

Installation Instructions

Step 1: Quit the PrinterProxy or System Preferences applications if they are currently running.
Step 2: Delete the cups driver folder by dragging it to the trash. The folder is located at: Macintosh HD/Library/Printers/HP/cups
Be sure to empty the trash before continuing.
Step 3: Reinstall the Leopard (10.5) compatible software for your HP product.
Step 4: To prevent the issue from re-occurring, download and run the patch installer HP v9.7Inkjet OS X 10.5 Update.

NOTE: Do not run the patch installer until steps 1-3 are complete.

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.

Fixes

Replacing previous software release that didn't support Mac OS X v10.5.2


Operating system(s): Mac OS X, Mac OS X 10.5, Mac OS X 10.3, Mac OS X 10.4
Download file size: 100.51M
System Requirements

No additional prerequisites

Installation Instructions

Note: For Network Connections, please refer to the Setup Poster which shipped with your HP All-in-One for network setup and software installation instructions.

1. Click the Download Only button.
2. When a new pop-up window appears, click on the Save button.
3. Save the file in a desired location.

Note: Make sure the printer is not connected to the computer before running the file.

4. At the end of saving the file, go to the directory where the file was saved and execute it.

Note: File is compressed and may take time to expand and run.

5. Follow any on-screen instructions.

This driver supports the HP Officejet Pro K550, K550dtn, K550dtwn 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.

Fixes

Issue: 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.
Issue: Missing print jobs when printing from Microsoft Photo editor.
Issue: Print dialog screen is corrupted when printing from Realfast software.


Operating system(s): Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows Server 2003
Download file size: 10.4M
System Requirements

No additional prerequisites

Installation Instructions

1. Download the file to your local hard drive.
2. Double click on the file then browse for folder to extract the driver files.
3. Open the Printers Window (Click Start, Printers and Faxes).
4. Click Add a Printer and follow the instructions of the Add Printer Wizard.

This driver supports the HP Officejet Pro K550, K550dtn, K550dtwn printer on Windows 2000, Windows XP and Windows Server 2003

Please note that this driver includes:

Printer driver installer

PCL3 printer drivers

Printer toolbox

User's guide

Fixes

Issue: 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.
Issue: Missing print jobs when printing from Microsoft Photo editor.
Issue: Print dialog screen is corrupted when printing from Realfast software.


Operating system(s): Microsoft Windows 2000, Microsoft Windows XP, Microsoft Windows Server 2003
Download file size: 75.07M
System Requirements

No additional prerequisites

Installation Instructions

1. Turn on the printer first, then the computer.
2. Close any screen savers, virus protection programs, or other software programs that are running on your computer.
3. Download the file to your hard drive, and double click on the downloaded ojprok550_xx_setup.exe, the installer will run automatically.
4. Follow the onscreen instructions.

For Direct connection
5. On the Connection Type screen, select the option to connect through USB and click Next.
6. When prompted, turn on the printer and connect it to the computer using a USB cable. The Found New Hardware wizard appears on the computer screen, and the printer icon is created in the Printers folder.

For Network Connection
5. On the Connection Type screen, select the option to connect through network and click Next.
6. Follow the onscreen instructions to complete the installation.

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.


Operating system(s): Microsoft Windows 2000, Microsoft Windows XP
Download file size: 1.53M

Installation Instructions

Before running the batch file, please ensure there is no print job queue in the print spooler as the batch file will restart the print spooler as part of the patching process.

Installation Instruction
1. Download the patch file into your local hard drive.
2. Click on the ojprok550_QuarkXpress_32bit_patch.zip file to extract the patch files into your desired location.
3. Click on the 32_drvpatch.bat to start the driver patching and the print spooler will restart automatically.

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.


Operating system(s): Microsoft Windows 98, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP, Microsoft Windows Server 2003
Download file size: 901.19k
System Requirements

No additional prerequisites

Installation Instructions

1. Download the file to a newly created sub-directory on your local hard drive.
2. Double click the downloaded "exe" file. This will extract all the necessary components to a folder.
3. Double click the uninstall.exe file.
4. Follow the onscreen instructions to complete the removal of the software.

HP Officejet Pro K550dtwn supports the Windows Connect NowTM technology, which allows you to conveniently set up multiple printers for wireless connection. Using the Wireless Configuration Utility provided, export the computer's wireless settings to a USB flash drive, and then configure the printers with these settings by inserting the flash drive into the USB port of each printer.


Operating system(s): Microsoft Windows 98, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP, Microsoft Windows Server 2003
Download file size: 6.16M

Installation Instructions

1. Download the file to a newly created sub-directory on your local hard drive.
2. Double click the downloaded exe file. This will extract all the necessary components to a folder.
3. Double click the Setup.exe file.
4. Follow the onscreen instructions and connect the USB flash drive to the computer's USB port when prompted. The wireless network configuration settings are saved to the flash drive.
5. Follow the onscreen instructions and connect the USB flash drive to each printer that you want to add to the network.

This is a firmware upgrade for HP Officejet Pro K550, K550dtn and K550dtwn 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 K550 series, then HP Officejet Pro K550 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 while pressing the Cancel (X) button once then release the Power button. The current firmware version will appear next to the Printer Revision in the printed Configuration Page.

Fixes

tray lock setting in Embedded Web Server (EWS) reset after printer power cycle

HP Jetdirect en3700 Fast Ethernet external print server disconnection after hours of inactivity

Enhancements

Reduce occurrences of paper jam, skew printing and paper dent.

New printhead servicing algorithm to enhanced the black printhead health.

Operating system(s): Microsoft Windows 98, Microsoft Windows NT 4.0, Microsoft Windows 2000, Microsoft Windows ME, Microsoft Windows XP, Microsoft Windows Server 2003
Download file size: 4.48M

Installation Instructions

For detailed firmware upgrade instruction please refer to "OJPro K550 Firmware Upgrade Instruction.pdf" included in the firmware upgrade package. To successfully update the firmware, the instruction in the "OJPro K550 Firmware Upgrade Instruction.pdf" MUST be followed.

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.

Fixes

Original software


Operating system(s): Microsoft Windows Vista, Microsoft Windows Vista Business (64-bit), Microsoft Windows Vista Ultimate (32-bit), Microsoft Windows Vista Ultimate (64-bit), Microsoft Windows Vista (64-bit), Microsoft Windows Vista Enterprise (32-bit), Microsoft Windows Vista Home Premium (64-bit), Microsoft Windows Vista Home Basic (64-bit), Microsoft Windows Vista Business (32-bit), Microsoft Windows Vista Enterprise (64-bit), Microsoft Windows Vista Home Basic (32-bit), Microsoft Windows Vista Home Premium (32-bit)
Download file size: 4.01M
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

1. Click the "Software and Driver downloads" link on the left
2. Click the "Microsoft Windows Vista" or "Microsoft Windows Vista (64-bit)" link
3. Click the "HP Printers - Installing the Printer Driver Located in Windows Vista" link and follow the instruction to install the HP print driver

Installation Instructions

1. Click on the Download Only button and a File Download box wil appear.
2. Select Save and a Save As box will appear.
3. Select a directory to save the file in and click Save.
4. After the file download has finished, locate the file using Windows Explorer.
5. Double-click on the file to start the software installation.
6. Follow the on-screen software installation instructions.

This driver supports the HP Officejet Pro K550, K550dtn, K550dtwn 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.


Operating system(s): Microsoft Windows NT 4.0
Download file size: 2.97M

Installation Instructions

1. Download the file to your local hard drive.
2. Double click on the file then browse for folder to extract the driver files.
3. Open the Printers Window (Click Start, Settings, Printers).
4. Click Add New Printer and follow the instructions of the Add Printer Wizard.

This driver supports the HP Officejet Pro K550, K550dtn, K550dtwn printer 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.

Fixes

Issue: Unable to monitor printer status through toolbox; in particular, when there is another HP printer driver installed in the same PC.
Resolution: Fixed

Enhancements

Improve print spooler memory management.

Operating system(s): Microsoft Windows XP Professional x64 Edition, Microsoft Windows XP x64
Download file size: 9.42M

Installation Instructions

1. Download the file to your local hard drive.
2. Double click on the file then browse for folder to extract the driver files.
3. Open the Printers Window (Click Start, Printers and Faxes).
4. Click Add a Printer and follow the instructions of the Add Printer Wizard.