ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,221, issued on March 24, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus, control method for image forming apparatus, and storage medium" was invented by Jun Itoh (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of easily determining which sheet is conveyed from which sheet storage unit in a case where a test chart is printed on sheets conveyed from a plurality of sheet storage units is provided. The control method includes performing control to convey a first sheet from a first sheet storage unit, printing on the first sheet, based on that the first sheet is a sheet conveyed from the first sheet storage unit, a pr...