Patent ID: 7241544

Claim:
An image forming method comprising: fixing an image formed by a toner on a record sheet in a nip area formed by a pressurizing member which is contacted against a rotatable heating fixing member having an elastic body layer formed on an endless periphery surface capable of orbitally moving and which creates locally a large distortion in the elastic body layer in vicinity of outlet thereof, wherein the toner includes at least two metal salts having different valence and has a relationship given by the Formula (1). 2.0≧a≧0.1 1.0≧b≧0.01 7.5 ≧a/b ≧1.1 Formula (1) wherein a (mass %) is defined as a content of a metal salt which is contained at a highest content in total toner mass and b (mass %) is defined as a content of a metal salt which is contained at a second-highest content in the total toner mass, and mass values of a and b represent anhydride reduced values.