Toner, method of forming the toner, and image forming method and apparatus using the toner

摘要

A toner comprising:a binder resin which is at least a resin selected from the group consisting of modified polyester resins and unmodified polyester resins; anda colorant; the product toner having a volume-average particle diameter (Dv) to a number-average particle diameter (Dn) ratio (Dv/Dn) ranging from 1.00 to 1.30, and the toner having a shape factor SF-1 ranging from 140 to 200.