Patent ID: 7263300
Filing Date: 2007-08-28
Classification: G03G

Abstract:
1. An image forming device comprising: a developer container that accommodates developer; a developer amount detector that detects a remaining developer amount accommodated in the developer container; a display; a memory that stores data representing a remaining developer amount detected by the developer amount detector; and a controller that performs a warm-up operation and that, during the warm-up operation, performs a calculation based on the remaining developer amount detected by the developer amount detector and on the data stored in the memory and controls to display a status of the remaining developer amount on the display based on results of the calculation, wherein: the calculation performed by the controller includes comparing the remaining developer amount detected by the developer amount detector during the warm-up operation with the remaining developer amount indicated by the data stored in the memory; and the controller controls to display a larger of the remaining developer amount detected by the developer amount detector during the warm-up operation and the remaining developer amount indicated by the data stored in the memory.