An image forming apparatus according to an aspect of the present invention includes a fixing/pressurizing roller pair that nips a transfer sheet and transports to fix toner on the transfer sheet; a pressure control unit that controls a pressure demonstrated by the fixing/pressurizing roller pair in consideration of the type of the transfer sheet; a transfer sheet compatibility determining unit that determines whether or not the pressure set by the pressure control unit is compatible with the transfer sheet to be inserted between the fixing/pressurizing roller pair; and a control unit that performs a process to cause to notify a user of incompatibility and/or a process to forbid printing if the transfer sheet compatibility determining unit determines that the pressure set by the pressure control unit is not compatible with the transfer sheet.