Abstract: A relay apparatus includes a processor configured to inquire of a management apparatus that manages control information used by plural devices whether there is control information that should be downloaded by, among the plural devices, a device whose communication is relayed by the relay apparatus to the management apparatus, for a same model as the device whose communication is relayed.

Abstract: An information processing apparatus includes: a transmission unit that transmits remaining amount information indicating a detected remaining amount of a consumable; a reception unit that receives a scheduled date of delivery of the consumable notified based on the transmitted remaining amount information; and a request unit that, when the remaining amount of the consumable is detected again upon reception of the scheduled delivery date and when a first value corresponding to the remaining amount detected again differs from a second value predicted, in correspondence with the first value, from information on a history of consuming the consumable, makes a request to change the scheduled delivery date in such a way that the second value approaches or matches the first value.

Abstract: An information output system in which an output destination management server is provided with an output destination management table for managing a mail address, performance information, and the like for each printer. In response to a search request from a terminal apparatus, the output destination management table is used to search for one or a plurality of candidate printers. The terminal apparatus is notified of the mail address of one candidate printer or the plurality of candidate printers. The terminal apparatus uses the mail address of a designated printer as a destination, and issues an electronic mail including the information to be printed. A printing mail server receives the electronic mail. The information included in the electronic mail is transferred to the designated printer from a print server. Accounting processing is executed prior to the printing of the information.

Abstract: A control system which includes a wireless tag having control information, and a control device having a wireless tag reader that reads the information from the wireless tag, and an equipment controller that obtains the control information and controls equipment according to the control information.