Patent ID: 8301063

Claim:
A toner cartridge comprising; a toner receptacle that houses toner; a pair of stirring members housed in the toner receptacle, the stirring members being next to each other in the toner receptacle and rotating to stir the toner, each of the stirring members including a flexible member, the flexible members being attached to the stirring members and protruding to the outside of the stirring members; a pair of gears rotating together with the stirring members, the gears meshing with each other outside of the toner receptacle and thereby rotating the stirring members synchronously with each other, each of the gears including an end surface exposed to the outside of the toner receptacle; and a phase display section that shows a meshing position of the gears so that the gears mesh with each other at a position where a phase difference along a rotating direction of the stirring members occurs between the flexible members of the stirring members that are next to each other, the phase display section including a first mark and a second mark displayed on the end surface of each of the gears, the first mark being provided at a position corresponding to each of the flexible members of the stirring members, and the second mark being provided at a position which is shifted in a rotation direction of each of the stirring members with respect to the flexible member.