Patent ID: 8320780
Filing Date: 2012-11-27
Classification: G03G

Abstract:
1. An image forming device comprising: a main casing; a cartridge accommodating portion that is configured to detachably accommodate a first cartridge and a second cartridge that is able to be detachably combined with the first cartridge to form a combined unit, the first cartridge being provided with a pressing member movable between a first position and a second position, the pressing member being in the first position when the second cartridge is removed from the first cartridge, the pressing member being in the second position when the second cartridge is combined with the first cartridge; a moving member supported on the main casing to be movable between a third position and a fourth position, the moving member being in the third position when the combined unit is unloaded from the main casing, the moving member being in the fourth position when the combined unit is loaded in the main casing wherein the pressing member disposed in the second position presses the moving member to move to the fourth position; a position detector that is provided on the main casing and is configured to detect a position of the moving member; and a determination unit that is configured not to start image forming operations until the position detector detects that the moving member is in the fourth position.