TONER USED IN TONER JET TYPE IMAGE FORMATION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a toner capable of preventing filming of the toner to a development roller and forming an image with excellent image quality. SOLUTION: In an image formation device for forming a toner image corresponding to an image signal by having a CPU of an engine controller supply control signals corresponding to the image signal to a control bias generation part, an L deflection bias generation part and an R deflection bias generation part corresponding to signals from a main controller and blowing/depositing the negatively charged toner T onto an intermediate transfer belt 23, the toner for which the content of the positively charged toner whose toner grain diameter is a number average grain diameter d or larger is 10 number % or less is used.