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US 2020/0026210 A1Published application
Toner, toner storage unit, and image forming apparatus
OwnerYu HIRAI, Masayuki Ishii +7inventors
InventorsYu HIRAI, Masayuki Ishii, Hyo Shu, Masayuki Kakimoto, Yoshitaka Sekiguchi, Shohta Kobayashi, Shinya Hanatani, Kohtaroh Ogino, Yasuaki Iwamoto
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Abstract
A toner is provided. The toner comprises a binder resin, a metal-containing azo dye, and a quaternary ammonium salt, has an average circularity of from 0.85 to 0.95, and is free of a tin compound having Sn—C bond.
Claims4
A toner comprising:
- a binder resin;
- a metal-containing azo dye;
- and
- a quaternary ammonium salt,
- wherein the toner has an average circularity of from 0.85 to 0.95,
- wherein the toner is free of a tin compound having Sn—C bond.
3 more elements
Dependencies are inferred from the claim text.