Patent ID: 8433220

Claim:
An image forming apparatus comprising: an image holder that holds an image; a transfer unit that includes a transfer member being rotationally driven and forming a pressing portion between the transfer member and the image holder, and that presses a recording medium under transportation at the pressing portion so as to transfer the image held by the image holder onto the transported recording medium; and an adjustment unit that adjusts drive torque for the transfer member by changing the drive torque from a first adjustment state to a second adjustment state, any one of when a leading edge of the recording medium reaches the pressing portion and when a trailing edge of the recording medium leaves the pressing portion, wherein the adjustment unit operates an electromagnetic clutch so as to change the drive torque to the second adjustment state, in accordance with any one of timing at which the leading edge of the recording medium reaches the pressing portion and timing at which the trailing edge of the recording medium leaves the pressing portion.