Image forming apparatus

An image forming apparatus that includes an image forming device that forms an image on a recording medium, the image forming apparatus comprising:

• a display device;
• an operation device that receives an input of a manual input instruction through a manual operation of a user;
• a voice input device that receives an input of voice from the user;
• and
• a control device that includes a processor and, through the processor executing a control program, acts as:
• a display controller that causes the display device to display an operation screen;
• a receiver that receives a voice instruction based on the voice input to the voice input device and the manual input instruction;
• and
• a controller that controls operations of the image forming apparatus and executes a job on the basis of the manual input instruction and the voice instruction received by the receiver,
• wherein the controller performs switching between a manual input dedicated mode in which only the manual input instruction is received by the receiver and a voice input possible mode in which the voice instruction and the manual input instruction are received by the receiver, and
• when the operation screen for receiving an input of information of which input through the voice instruction is prohibited in advance is displayed on the display device by the display controller, the controller performs switching to the manual input dedicated mode.