Method and apparatus for control of toner charge

• Main Authors: HILBERT; THOMAS K, ZEMAN; ROBERT E
• Format: Patent
• Language: English
• Published: 16.08.1994
• Edition: 5
• Subjects: CINEMATOGRAPHY; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; HOLOGRAPHY; MAGNETOGRAPHY; PHOTOGRAPHY; PHYSICS

The level of charge on toner in a developer is sensed or otherwise determined in an image forming apparatus. In response to such determination, a charge control member is adjusted between positions in which it triboelectrically charges the toner more or less because of greater or lesser contact with...