Electrophotography – Image formation – Development
Reexamination Certificate
2006-07-18
2006-07-18
Ngo, Hoang (Department: 2852)
Electrophotography
Image formation
Development
C399S027000, C399S029000
Reexamination Certificate
active
07079794
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.
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patent: 6766121 (2004-07-01), Nonaka et al.
patent: 2003/0228159 (2003-12-01), Tungate et al.
Forbes II Richard L.
Mastrandrea Joseph A.
Scheuer Mark A.
Eipert William
Ngo Hoang
Xerox Corporation
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