Assume that you have a Hewlett-Packard (HP) Deskjet printer installed on a Windows Vista-based computer. After you update the computer to Windows Vista Service Pack 2 (SP2), the printer no longer uses black ink when it prints. Additionally, the printer's color quality decreases.

This printing problem occurs when you use a printer from the HP Deskjet F2100 series, F4100 series.

To resolve this problem - Uninstall and reinstall the HP software

Uninstall the HP software

1. Click Start Collapse this image Expand this image , click All Programs.
2. Click HP, and then click the HP software.
3. Click Uninstall.
4. Follow the instructions.

Use one of the following options to reinstall the HP software.

• Install the HP software by using the HP installation CD
1. Insert the installation CD that was included with the printer into the computer's CD or DVD drive.
2. When the installation screen appears, follow the instructions to install the HP software.

• Install the HP software by using the downloaded software
1. Visit the following HP Web site: http://www.hp.com
2. Locate the product page by searching the product name and number. You might also have to select the product in a list of similar products in the search results window.
3. Click the Full Feature Software and Drivers link to download the software for your printer.
4. After the download is completed, double-click the downloaded file to install the HP software and drivers.

• HP Deskjet D2300 series
• HP Deskjet D1300 series
• HP Deskjet F4100 series
• HP Deskjet F300