Two component electrophotographic developer
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United States of America Patent
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-
Nov 14, 1989
Grant Date -
N/A
app pub date -
Jun 29, 1988
filing date -
Jul 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrophotographic two-component system developer is described, comprising a positive charging toner and a negative charging carrier of the dispersed magnetic powder type, wherein a hydrophilic alumina particle is adhered onto the surface of said positive charging toner and a negative charging carrier has a volume average particle diameter of from 30 to 80 .mu.m. The developer provides reduced toner cloud upon development processing and provides toner images free from fog.
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