ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,885, issued on Jan. 27, was assigned to Ricoh Co. Ltd. (Tokyo).

"Maintenance device and printer" was invented by Kaoru Satoh (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A maintenance device includes: a cap detachably contactable with a nozzle face of a liquid discharge head; a suction device to suck liquid from the cap; a waste liquid storage to store the liquid sucked from the cap by the suction device; a waste liquid channel connecting the cap and the waste liquid storage; a cleaning liquid storage storing a cleaning liquid to be supplied to the cap; and a cleaning liquid channel connecting the cap and the cleaning liquid storage...