A non-magnetic mono-component toner of the present invention comprises, at
least, a plurality of mother particles and a plurality of CCA particles
adhering to the mother particles. The non-magnetic mono-component toner
satisfies a.times.d<2.5, wherein "a" is the inclination of an
approximation straight line of the CCA particles adhering to the mother
particles, obtained by approximating distribution of particle diameter of
the CCA particles relative to the particle diameter of the mother
particles by the least-square method, and "d" (.mu.m) is the volume-based
mean particle diameter of the toner. Therefore, the charge on one particle
of the non-magnetic mono-component toner can be efficiently reduced,
thereby allowing lower developing voltage and achieving reduction in
developing hysteresis.
Un toner mono-component non magnétique de la présente invention comporte, au moins, une pluralité des particules de mère et une pluralité des particules de CCA adhérant aux particules de mère. Le toner mono-component non magnétique satisfait a.times.d
