CPC G03G 15/0813 (2013.01) [G03G 15/0822 (2013.01); G03G 15/0865 (2013.01); G03G 21/1676 (2013.01); G03G 21/1821 (2013.01); G03G 21/1832 (2013.01); G03G 21/1839 (2013.01); G03G 21/1842 (2013.01); G03G 2221/169 (2013.01); G03G 2221/1684 (2013.01)] | 19 Claims |
1. An image forming apparatus comprising:
a main body case including a front cover movable between an open position and a closed position;
a feeder cassette disposed at a bottom portion of the main body case;
an intermediate transfer belt disposed at an upper portion of the main body case;
a photosensitive unit disposed between the feeder cassette and the intermediate transfer belt, the photosensitive unit including:
a photosensitive drum; and
a photosensitive support frame configured to support the photosensitive drum;
and
a developing unit including:
a developing roller; and
a developing support frame supporting the developing roller,
an operation member movable between a first position in which the developing unit is locked relative to the main body case and a second position in which the developing unit is unlocked relative to the main body case,
wherein the operation member is movable in conjunction with a movement of the front cover from the open position to the closed position,
wherein when the operation member is at the second position, the front cover urges the operation member toward the first position while the front cover is moving from the open position to the closed position, and
wherein when the operation member is at the first position, the front cover leaves the operation member at the first position while the front cover is moving between the open position and the closed position.
|