| 摘要 |
An image forming apparatus including: image bearing member; latent image forming unit; developing unit; transfer unit; fixing unit, wherein toner in the developing unit contains amorphous polymer, crystalline resin and releasing agent, when the toner is measured for G' at 40° C. to 210° C. with rheometer at 1 Hz and 1 deg, G'(100) is @20,000 and G'(150) is >=500 Pa, and straight line drawn by connecting points of the G'(100) and G'(110) on curve of the G' has gradient of @0.035, the gradient being "a" expressed by: a=|log10 G'(100)-log10 G'(110)|/10, and the fixing unit includes: heating member containing flexible endless belt; heat source fixed within the flexible endless belt; and press member in contact with the belt to form nip portion, and the fixing unit is configured to heat/press the medium passing through the nip portion to fix the image on the medium.
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