In an electrophotographic marking system a guard is provided to prevent fingerprint smears or markings on a platen glass. When fingerprint images are made, oil and other debris from the fingers mark the platen and cause subsequent images to reproduce these markings. This guard protects the platen from...http://www.google.fr/patents/US7796788?utm_source=gb-gplus-shareBrevet US7796788 - Device and method to inhibit residue on platen glass while scanning
Device and method to inhibit residue on platen glass while scanning
