| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a toner superior in chargeability and dependence on environment and transferability and fluidity and capable of forming a good image. SOLUTION: This toner contains at least a resin and a colorant and Na+, K+, Ca2+, Mg2+, and NH4+ in a total amount of 0.5-7.5μmol/g obtained by a toner redispersion test, and preferably, a solvent in an amount of 1-500 ppm, and it has a sphericity degree (SFI) of 100-150.</p> |
