Proceedings PaperTribo-charge and particle size characteristics of toners in a laser printer
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Magnetic toners in a hybrid-component developing system and full-color toners in a twocomponent developing system have been investigated. Magnetic toners in different steps of Xerographic processes were selected to measure the tribo-charge and the particle size distribution. The average particle size of the residual toners is larger than that of the original toners, and the toner with small particle size and large q/d value is eaiser to be developed. For color toners, the mass per unit area are in the range of 1 ?g/cm2~ 3.5 ?g/cm2 and the value of charge-to-mass ratio are in the range of 2 ?c/g~ 8.1 ?c/g.