JP2009288310A5

JP2009288310A5 -

Info

Publication number: JP2009288310A5
Application number: JP2008138054A
Authority: JP
Filing date: 2008-05-27
Publication date: 2011-07-14
Anticipated expiration: 2028-05-27

Claims

And cartridges that can be attached to and detached from the instrumentation Okimoto body,
An optical unit for irradiating the image carrier with light;
An openable / closable member that can be opened and closed with respect to the apparatus main body on which the optical unit is disposed to attach and detach the cartridge;
A shutter member movable between a closed position for blocking an optical path of light applied to the image carrier from the optical unit and an open position for opening;
In an image forming apparatus having
A contact member that is movably supported by the opening and closing member to move the shutter member to the open position ;
When the closing member is opened, the shutter member is located in the closed position,
When the opening / closing member is closed in a state where the cartridge is not attached to the apparatus main body, the contact member cannot move the shutter member to the open position,
When in a state mounted on the front asked cartridges GaSo Okimoto member said closing member is closed, the abutment member, by pressing the shutter member in contact with the front asked cartridges, the shutter member image forming apparatus characterized by moving to the open position.

The image carrier is rotatable;
Has a shutter moving means for moving the shutter member to said open position and said closed position, said shutter moving means, have a biasing means for emitting biasing force to counter selfish moving the shutter member in the closed position And
When the front hear cartridges is the opening and closing member in a state of being mounted to the main assembly of the apparatus is closed, the biasing force of said biasing means, via said abutment member, the image bearing against pre hear cartridges The image forming apparatus according to claim 1, wherein the image forming apparatus acts in a direction of a rotation axis of the body.

The abutment member is swingably pivotally supported on the closing member, the abutment with the one end of the contact member and the front asked cartridges and first contact portion that contacts said contact member across the oscillation axis The image forming apparatus according to claim 2, wherein the lever has a second abutting portion that abuts against the shutter moving means on the other end side of the image forming apparatus.

Before asked cartridges is more, any one of claims 1 to 3, wherein a plurality of said abutment members corresponding to the plurality of cartridges are provided on the same said opening and closing member The image forming apparatus described in 1.