how to clean printheads on hp photosmart 7520
Shares & Saves. Save. Although Hewett Packard (HP) printheads can be cleaned from the printer driver, you may need to clean the print heads manually if you are having problems with streaking, color fading or missing text and the cleaning tool doesnât help.anually Cleaning Printheads. Use the lint-free cloth to wipe the contact points in the print carriage. If the residue wonât come off, use a cotton swab wet with bottled water to remove the residue. Wait 5 minutes after you have cleaned the printer contacts before replacing the ink cartridge.