| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electrophotographic yellow toner which ensures a stable quantity of electric charges of the toner and a stable amount of the toner conveyed even when used over a long period of time and ensures high image density, little scumming and high image quality and to provide a developer and an image forming method. SOLUTION: The yellow toner used in full color image formation by which a multicolored image is reproduced contains at least (A) a binder resin having <=20 KOHmg/g acid value, (B) a compound belonging to C.I. Pigment Yellow 180 and (C) a resinous negative charge controlling agent consisting of a sulfonate-containing monomer (1), an aromatic monomer (2) having an electron withdrawing group and at least one (3) selected from the group comprising acrylic ester monomers, methacrylic ester monomers and aromatic vinyl monomers and having <=5% volatile matter content.</p> |
