Image forming apparatus

The utility model provides an image forming device which comprises a machine body provided with an assembly port; the drawer is detachably connected to the assembling opening, and the drawer is provided with a movable handle and one or more assembling clamping positions used for installing the processing box; the locking mechanism comprises a buckling piece and an unlocking piece, the buckling piece is elastically arranged on the machine body/drawer, the unlocking piece is movably arranged on the drawer/machine body, and when the drawer enters the assembling opening, the buckling piece elastically stretches out and enables the drawer to be locked in the assembling opening; the linkage mechanism is used for connecting the movable handle and the unlocking piece; when the movable handle moves in the first direction, the linkage mechanism is in linkage with the unlocking piece, and the unlocking piece pushes the buckling piece to unlock the drawer. Compared with the prior art, the image forming device provided by