HP F4280 User Guide - Page 71

5. Load the print cartridge alignment sheet print side down on the right front corner of the glass. 6. In the HP Solution Center, click Home, and then click Scan Document. The product aligns the print cartridges. Recycle or discard the print cartridge alignment sheet. Related topics "Control panel buttons" on page 10 Clean the print cartridges Use this feature when the self-test report shows streaking, white lines through any of the lines of color or when a color is muddy after installing a print cartridge for the first time. Do not clean print cartridges unnecessarily, as this wastes ink and shortens the life of the ink nozzles. To clean the print cartridges from the HP Photosmart Software 1. Load letter, A4, or legal unused plain white paper into the input tray. 2. In the HP Solution Center, click Settings, point to Print Settings, and then click Printer Toolbox. NOTE: You can also open the Printer Toolbox from the Print Properties dialog box. In the Print Properties dialog box, click the Features tab, and then click the Printer Services button. The Printer Toolbox appears. 3. Click the Device Services tab. 4. Click Clean the Print Cartridges. 5. Follow the prompts until you are satisfied with the quality of the output, and then click Done. If print quality still seems poor after you clean the print cartridges, try cleaning the print cartridge contacts before replacing the affected print cartridge. Related topics • "Clean the print cartridge contacts" on page 69 • "Replace the print cartridges" on page 64 Clean the print cartridge contacts CAUTION: Do not clean the print cartridge contacts unless you are having a problem with print quality and other measures have not been successful. For more information, see "Print quality troubleshooting" on page 93. Clean the print cartridge contacts if you get repeated messages on your computer screen prompting you to check a print cartridge after you already have cleaned or aligned the print cartridges, or if the Check Print Cartridge light is blinking. Before cleaning the print cartridge contacts, remove the print cartridge and verify that nothing is covering the print cartridge contacts, then reinstall the print cartridge. If you continue to get messages to check the print cartridges, clean the print cartridge contacts. Maintain the HP All-in-One Work with print cartridges 69