An image forming apparatus includes a transfer material transportation device to transport a transfer material; a transfer device to transfer a toner image to the transfer material transported by the transfer material transportation device; a fusing device, disposed after the transfer device, to fuse a toner image on the transfer material transported by the transfer material transportation device; a registration device, disposed before the transfer device, to feed the transfer material, supplied from a sheet feeder, to the transfer device; and a biasing device, disposed for the registration device, to regulate movement of the registration device to decrease a speed difference between a transfer material transport speed generated by the transfer device and a transfer material transport speed generated by the registration device.