| 摘要 |
There is provided an image forming apparatus including: a photoconductor; an intermediate transfer belt that is wrapped around and stretched between the photoconductor and a plurality of support rolls and is driven by the photoconductor; and a contact member that contacts the intermediate transfer belt, wherein the image forming apparatus satisfies the following expression (1) <?in-line-formulae description="In-line Formulae" end="lead"?>2T(e<SUP>mutheta</SUP>-1)/(e<SUP>mutheta</SUP>+1)>F and T<=396.9N (1),<?in-line-formulae description="In-line Formulae" end="tail"?> wherein mu represents the coefficient of friction between the photoconductor and the intermediate transfer belt, T represents the initial tension of the intermediate transfer belt, theta represents the wrap angle of the intermediate transfer belt on the photoconductor, and F represents the load in a tangential direction applied from the contact member to the photoconductor via the intermediate transfer belt.
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