Patent ID: 8606142

Claim:
An image-forming device, comprising: a main body; a first process unit having a first developing roller and a first supply roller, the first supply roller being configured to supply developer to the first developing roller; a second process unit having a second developing roller and a second supply roller, the second supply roller being configured to supply developer to the second developing roller; and a holder configured to move between a position inside the main body and a position outside the main body and to hold the first and second process units such that the first and second process units are arranged in a row along a first direction, the holder having: a pair of walls disposed at positions spaced apart from each other in the first direction; a pair of additional walls disposed at positions spaced apart from each other in an orthogonal direction that is orthogonal to the first direction, the pair of additional walls connecting the pair of walls; and a first guide member disposed between the pair of walls and between the pair of additional walls, the first guide member being positioned between the first and second process units in the first direction when the holder holds the first and second process units, the first guide member being configured to guide the first process unit into the holder, wherein an upper end of the first guide member being positioned at a vertical level higher than the first supply roller when the holder holds the first process unit.