| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide toner for image formation which is useful as recycled toner. SOLUTION: This toner for image formation is used for an image forming method which recycles toner cleaned by a cleaning part and obtained by adding external additives to toner base particles composed of at least a coloring agent, binding resin, and an electric charge control agent; and respective values are substituted in X=(B/A)×(ΣC/D), where A is the toner electrostatic charging quantity of the toner base particles, B the toner electrostatic charging quantity after the addition of >=1 additive to the toner base particles,ΣC the sum of the mean particle sizes of the external additives, and D the mean particle size of the toner base body, and X is within a range of -2.3<=X<=2.3.</p> |
