Patent ID: 7935467
Filing Date: 2011-05-03
Classification: G03G

Abstract:
1. A magnetic toner which comprises magnetic toner base particles containing at least a binder resin and a magnetic material, and an inorganic fine powder; (i) the magnetic toner having an average circularity of from 0.950 or more to 1.000 or less; (ii) the magnetic toner having a compressibility of 30 or less which is found from the following expression (1): (iii) the magnetic toner containing boron nitride particles having a median diameter (D50) of from 0.5 μm or more to 8.0 μm or less, as the inorganic fine powder in an amount of from 0.05 part by mass or more to 1.00 part by mass or less based on 100 parts by mass of the magnetic toner base particles.