JP2007213012A5

JP2007213012A5 -

Info

Publication number: JP2007213012A5
Application number: JP2006328092A
Authority: JP
Filing date: 2006-12-05
Publication date: 2011-04-07
Anticipated expiration: 2026-12-05

Claims

記録媒体に画像形成するための電子写真画像形成装置において、
本体フレームと、
電子写真感光体からトナー像を転写させるための転写部材と、
前記本体フレームに支持され、第一の位置と第二の位置との間を移動可能な支持部材と、
前記支持部材に移動可能に支持されて、前記電子写真感光体を有するプロセスカートリッジが着脱される移動部材であって、前記支持部材が前記第一の位置に位置する状態では、前記電子写真感光体を前記転写部材に接触させ、前記電子写真感光体に潜像を形成できる潜像形成位置に位置し、前記支持部材が前記第二の位置に位置する状態では、前記電子写真画像形成装置の装置本体の外側において前記プロセスカートリッジを着脱可能な着脱位置と、前記装置本体の内側において前記電子写真感光体が前記転写部材から離間した内側位置との間を手動によって移動可能であり、前記支持部材が前記第二の位置から前記第一の位置へ移動することに伴って前記内側位置から前記潜像形成位置に移動する移動部材と、
前記移動部材が前記内側位置から外れた位置に位置する状態では、前記支持部材が前記第二の位置から前記第一の位置へ移動するのを規制する規制位置と、前記移動部材が前記内側位置に位置する状態では、前記支持部材が前記第二の位置から前記第一の位置へ移動するのを許容する許容位置と、を取り得る規制部材と、
を有することを特徴とする電子写真画像形成装置。 In an electrophotographic image forming apparatus for forming an image on a recording medium,
Body frame,
A transfer member for transferring a toner image from the electrophotographic photosensitive member;
A support member supported by the body frame and movable between a first position and a second position;
A moving member that is movably supported by the supporting member and from which a process cartridge having the electrophotographic photosensitive member is attached and detached, wherein the electrophotographic photosensitive member is in a state where the supporting member is located at the first position. The electrophotographic image forming apparatus is in a state in which the image forming apparatus is brought into contact with the transfer member and positioned at a latent image forming position where a latent image can be formed on the electrophotographic photosensitive member, and the support member is positioned at the second position. The process cartridge can be manually moved between an attachment / detachment position where the process cartridge can be attached / detached outside the main body and an inner position where the electrophotographic photosensitive member is separated from the transfer member inside the apparatus main body. A moving member that moves from the inner position to the latent image forming position as it moves from the second position to the first position;
In a state where the moving member is located at a position deviated from the inner position, a restriction position that restricts the support member from moving from the second position to the first position, and the moving member is located at the inner position. In a state of being located at, the restricting member that can take an allowable position that allows the support member to move from the second position to the first position,
An electrophotographic image forming apparatus comprising:

前記移動部材が前記外れた位置に位置する状態で前記支持部材が前記第二の位置から前記第一の位置へ移動しようとする際に、前記規制位置に位置している前記規制部材が前記支持部材に当接することにより、前記支持部材が前記第二の位置から前記第一の位置へ移動するのが規制されることを特徴とする請求項１に記載の電子写真画像形成装置。 When the support member tries to move from the second position to the first position in a state where the moving member is located at the disengaged position, the restriction member located at the restriction position is supported by the support member. The electrophotographic image forming apparatus according to claim 1, wherein the support member is restricted from moving from the second position to the first position by contacting the member.

前記移動部材が前記外れた位置から前記内側位置へ移動することにより、前記移動部材が前記規制部材を付勢して前記規制位置から前記許容位置に移動させることを特徴とする請求項１または２に記載の電子写真画像形成装置。 3. The moving member moves from the disengaged position to the inner position, whereby the moving member urges the restricting member to move from the restricting position to the permissible position. The electrophotographic image forming apparatus described in 1.

前記装置本体には前記移動部材を前記装置本体に対して出し入れするための開口が設けられており、
前記開口を閉じる閉じ位置と、前記開口を開放する開放位置と、を取り得る本体ドアであって、前記支持部材と連結された本体ドアを有し、
前記移動部材が前記外れた位置に位置する状態で前記本体ドアが前記開放位置から前記閉じ位置へ移動しようとする際に、前記規制位置に位置している前記規制部材に前記支持部材が当接することによって、前記本体ドアが前記閉じ位置に移動するのが規制されることを特徴とする請求項１乃至３のいずれか１項に記載の電子写真画像形成装置。 The apparatus body is provided with an opening for taking the moving member in and out of the apparatus body,
A main body door capable of taking a closed position for closing the opening and an open position for opening the opening, the main body door having a main body door coupled to the support member;
When the main body door is about to move from the open position to the closed position in a state where the moving member is located at the disengaged position, the support member comes into contact with the restriction member located at the restriction position. 4. The electrophotographic image forming apparatus according to claim 1, wherein the main body door is restricted from moving to the closed position.

前記移動部材は、異なる色の現像剤を収容した複数の前記プロセスカートリッジが着脱されることを特徴とする請求項１乃至４のいずれか１項に記載の電子写真画像形成装置。 5. The electrophotographic image forming apparatus according to claim 1, wherein a plurality of the process cartridges containing different color developers are attached to and detached from the moving member.

前記移動部材は、前記内側位置と前記着脱位置との間を移動させる際に把持する取手部を備えていることを特徴とする請求項１乃至５のいずれか１項に記載の電子写真画像形成装置。 The electrophotographic image forming apparatus according to claim 1, wherein the moving member includes a handle portion that is gripped when moving between the inner position and the attachment / detachment position. apparatus.

記録媒体に画像形成するための電子写真画像形成装置において、
本体フレームと、
電子写真感光体からトナー像を転写させるための転写部材と、
前記本体フレームに支持され、第一の位置と第二の位置との間を移動可能な支持部材と、
前記支持部材に移動可能に支持されて、前記電子写真感光体を有するプロセスカートリッジが着脱される移動部材であって、前記支持部材が前記第一の位置に位置する状態では、前記電子写真感光体を前記転写部材に接触させ、前記電子写真感光体に潜像を形成できる潜像形成位置に位置し、前記支持部材が前記第二の位置に位置する状態では、前記電子写真画像形成装置の装置本体の外側において前記プロセスカートリッジを着脱可能な着脱位置と、前記装置本体の内側において前記電子写真感光体が前記転写部材から離間した内側位置との間を手動によって移動可能であり、前記支持部材が前記第二の位置から前記第一の位置へ移動することに伴って前記内側位置から前記潜像形成位置に移動する移動部材と、
前記本体フレームに設けられた規制部であって、前記移動部材が前記内側位置から外れた位置に位置する状態で前記支持部材が前記第二の位置から前記第一の位置へ移動しようとする際に、前記移動部材が当接して、前記支持部材が前記第一の位置へ移動することを規制する規制部と、
を有する電子写真画像形成装置。 In an electrophotographic image forming apparatus for forming an image on a recording medium,
Body frame,
A transfer member for transferring a toner image from the electrophotographic photosensitive member;
A support member supported by the body frame and movable between a first position and a second position;
A moving member that is movably supported by the supporting member and from which a process cartridge having the electrophotographic photosensitive member is attached and detached, wherein the electrophotographic photosensitive member is in a state where the supporting member is located at the first position. The electrophotographic image forming apparatus is in a state in which the image forming apparatus is brought into contact with the transfer member and positioned at a latent image forming position where a latent image can be formed on the electrophotographic photosensitive member, and the support member is positioned at the second position. The process cartridge can be manually moved between an attachment / detachment position where the process cartridge can be attached / detached outside the main body and an inner position where the electrophotographic photosensitive member is separated from the transfer member inside the apparatus main body. A moving member that moves from the inner position to the latent image forming position as it moves from the second position to the first position;
When the support member tries to move from the second position to the first position in a state in which the moving member is located at a position deviated from the inner position, the restricting portion provided in the main body frame. And a restricting portion that restricts the support member from moving to the first position by contacting the moving member;
An electrophotographic image forming apparatus.

前記装置本体には前記移動部材を前記装置本体に対して出し入れするための開口が設けられており、
前記開口を閉じる閉じ位置と、前記開口を開放する開放位置と、を取り得る本体ドアであって、前記支持部材と連結された本体ドアを有し、
前記移動部材が前記外れた位置に位置する状態で前記本体ドアが前記開放位置から前記閉じ位置へ移動しようとする際に、前記移動部材が前記規制部に当接することにより、前記本体ドアの前記閉じ位置への移動が規制されることを特徴とする請求項７に記載の電子写真画像形成装置。 The apparatus body is provided with an opening for taking the moving member in and out of the apparatus body,
A main body door capable of taking a closed position for closing the opening and an open position for opening the opening, the main body door having a main body door coupled to the support member;
When the main body door is about to move from the open position to the closed position in a state where the moving member is located at the disengaged position, the moving member abuts on the restriction portion, thereby The electrophotographic image forming apparatus according to claim 7, wherein movement to the closed position is restricted.

前記移動部材は、異なる色の現像剤を収容した複数の前記プロセスカートリッジが着脱されることを特徴とする請求項７又は８に記載の電子写真画像形成装置。 9. The electrophotographic image forming apparatus according to claim 7, wherein a plurality of the process cartridges containing different color developers are attached to and detached from the moving member.

前記移動部材は、前記内側位置と前記着脱位置との間を移動させる際に把持する取手部を備えていることを特徴とする請求項７乃至９のいずれか１項に記載の電子写真画像形成装置。 The electrophotographic image forming apparatus according to claim 7, wherein the moving member includes a handle portion that is gripped when moving between the inner position and the attachment / detachment position. apparatus.