Patent ID: 9052637
Filing Date: 2015-06-09
Classification: G03G

Abstract:
1. A toner supply device, comprising: a toner cartridge which contains toner; a toner storage portion which is configured to store the toner supplied from the toner cartridge; a toner detection sensor which is configured to detect the toner in the toner storage portion; a conveyance member which conveys the toner in the toner storage portion; a cartridge driving source which rotation-drives the toner cartridge; and a controller which controls a series of replenishment operations of the toner cartridge based on a detection result of the toner detection sensor; wherein the controller controls whether to continue a series of replenishment operations of the toner cartridge based on information about driving of the conveyance member, which is acquired at predetermined periods after starting the series of replenishment operations of the toner cartridge.