An information recording medium having at least a read only area and a recording and reproducing area is composed of at least: a substrate; a recording layer formed on the substrate so as to record and reproduce information; and a light transmission layer having transparency formed on the recording layer. The device includes a cover and a band. The toner cartridge supplies toner to the development unit which develops the latent image into the visible image. The first controller is also configured to receive an indication of whether the operator has completed the training, and, when the indication indicates that the operator has completed the training, request, from the server, a confirmation that the operator has completed the training. The controller also includes a control device programmed to receive a desired flow rate, an indication of upstream pressure from the upstream pressure measurement device, an indication of downstream pressure from a remote downstream pressure measurement device connected to the downstream reservoir. In one embodiment, a raw batch for producing a ceramic body includes a silicon carbide slurry and agglomerates of particles defining a dry lubricant mixture.