The resultant color toners were centrifuged and dispersed in water, then sonicated for 2 min to break down aggregations. The dispersions were prepared for particle size and particle size distri- bution measurement using a particle size analyzer (PSA, Malvern Master sizer 2000, England) in the range of 0.02–2000 J.Lm. Eval- uation of the particle size distribution was done using the span parameter