| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide toner which hardly causes fog, fading, filming or the like for long-term printing in various environments and with which images with high print density can be obtained even when recycled paper is used as a transfer material. SOLUTION: The toner is obtained by adding as external additives, attapulgite having 0.1μm number average particle size and 53% hydrophobicity, silica having 12 nm number average particle size and 64% hydrophobicity, and organic fine particles having 0.39μm number average particle size and 1.16 sphericity to color particles having 1.0 to 1.3 sphericity.</p> |
