HP Officejet Pro 8500A User Guide - Page 99
General print quality troubleshooting, Meaningless characters print, Check the paper quality - printhead problems
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Page 99 highlights
• Ink is not filling the text or graphics completely • Output is faded or dull colored • Colors are printing as black and white • Wrong colors are printing • Printout shows bleeding colors • The printout has a horizontal band of distortion near the bottom of a borderless print • Colors do not line up correctly • Text or graphics are streaked • Something on the page is missing or incorrect • Printhead maintenance General print quality troubleshooting Check the printheads and ink cartridges Print the print quality diagnostic page on a clean sheet of white paper. Evaluate any problem areas, and perform the recommended actions. For more information, see Printhead maintenance. NOTE: HP cannot guarantee the quality of refilled, remanufactured, or non-HP ink cartridges. Check the paper quality Make sure the media meets HP specifications, and try to print again. For more information, see Media specifications. Check the type of media loaded in the printer • Make sure the tray supports the type of media you have loaded. For more information, see Media specifications. • Make sure you have selected the tray in the printer driver that contains the media that you want to use. Check the printer location and length of USB cable It is recommended that you use a USB cable that is less than 3 meters (9.8 feet) long to minimize the effects of these electromagnetic fields. You can also try to use a different USB cable to see if the USB cable has failed. Meaningless characters print If an interruption occurs to a job that is printing, the printer might not recognize the rest of the job. Solve print quality problems 95