Patent · US Expired

Material state management via automatic toner purge

US7079794B2 · kind B2 · utility

11Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2003
Grant dateJul 18, 2006
Priority date
Expiry dateDec 19, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/00037
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for operating a printing machine to maintain developer material within in a predefined state by monitoring the state of materials in a developer and automatically scheduling corrective action before print quality becomes significantly impacted. The corrective action can include forcing an increase in toner usage by periodically generating and developing images having high toner density.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.