A function executing device for executing a function by utilizing a consumption article may be provided with a device main body, a sensor, an information output device, and a controller. A consumption article housing case for housing the consumption article may be mounted on the device main body. The sensor may detect the quantity of the consumption article within the consumption article housing case mounted on the device main body. The information output device may output information to the exterior in a case where the quantity of the consumption article within the consumption article housing case mounted on the device main body has become less than a predetermined quantity. The controller may prevent the information output device from outputting the information twice or more in a period between a time where the consumption article housing case is mounted on the device main body and a time where the consumption article housing case is dismounted from the device main body and a next consumption article housing case is mounted on the device main body.