System and image forming apparatus

A system comprising:

• at least one situation grasping device that grasps surrounding situations;
• and
• an image forming apparatus that forms an image on a recording material and communicate with the situation grasping device, wherein
• the image forming apparatus includes
• a transmitter that transmits, to an external device, information output from the situation grasping device, and
• a transmission controller that stops the transmission of the information by the transmitter or changes contents of the information to be transmitted by the transmitter.

An image forming apparatus comprising:

• an image forming unit that forms an image on a recording material;
• a transceiver that receives control information output from an external device and transmits the control information to a controlled device;
• and
• a transmission controller that stops the transmission of the control information by the transceiver or changes contents of the control information to be transmitted by the transceiver.