| 摘要 |
PROBLEM TO BE SOLVED: To provide magnetic mono-component toner for developing an electrostatic latent image which can suppress a selection development on a latent image carrier and can maintain favorable image properties for a long period by using the toner having the coarse powder distribution (S) within a given range in a jumping developing method, and to provide an image forming method which uses the toner. SOLUTION: The magnetic mono-component toner for developing an electrostatic latent image is used in the jumping developing method which develops an electrostatic latent image formed on a latent image carrier using a developer carrier, and the toner includes toner particles which contain at least a binding resin and a magnetic powder, and the coarse powder distribution (S) of the toner particles satisfies a following formula (1). Coarse powder distribution (S)=(50-A)/2≥17 (volume%/μm) (1) (wherein, A is a volume% of the coarse powder having particle sizes larger than D<SB>50</SB>based on volume by 2μm or more). COPYRIGHT: (C)2006,JPO&NCIPI
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