Device and method for the replacement of expired developer

US7437106B2 · kind B2 · utility

Assignee

• Oce Printing Systems GmbH · DE

Inventors

• Bernhard Schlageter · Ottobrunn, DE
• Uwe Höllig · Birkenfeld, DE

Key dates

• Filing date: Jul 9, 2007
• Grant date: Oct 14, 2008
• Expiry date: Jul 9, 2027

Classification

• Technology area (CPC G): Physics
• CPC primary: G03G15/0822
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

In order to replace out-of-date flowing medium in a system, where the medium has a component which ages, out-of-date flowing medium is removed and a quantity of fresh flowing medium or a fresh component are added while maintaining a given level of the flowing medium.