An image forming apparatus includes: a rotatable transfer member rotatably driven while carrying a toner image thereon; a rotary transfer member to form a transfer nip for transferring the toner image to a recording medium; a housing rotatable about a first rotation center together with the rotary transfer member and switching between a closed state and an open state by the rotation about the first rotation center; a guide member to guide the recording medium conveyed through a conveyance path toward upstream in the direction of rotation of the rotatable transfer member than the transfer nip; a support frame to support the rotatable transfer member; a biasing member to bias the guide member; and a receiving part, disposed on the support frame, configured to contact the guide member biased by the biasing member and position the guide member in the closed state of the housing.