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US 9,176,466 B2Granted
Image forming apparatus with removable cartridge and movable light emitting member
AssigneeCanon Kabushiki Kaisha
InventorYasuzumi Taba
Life of this patent
Estimating the term…
Abstract
When an operation member is moved in a state in which a cartridge is mounted to an apparatus main body of an image forming apparatus, a cartridge supporting member is rotated away from a transfer member so that the cartridge is rotated and enters a state in which the cartridge is inclined at an angle θ1 with respect to the transfer member, and an exposure device is rotated away from the transfer member and enters a state in which the exposure device is inclined at an angle θ2 higher than the angle θ1 with respect to the transfer member.
Claims60
An image forming apparatus that forms an image on a recording medium, the image forming apparatus comprising:
- a cartridge including a photosensitive member and configured to be removed from a main body of the apparatus;
- a light emitting member having a plurality of light emitting diodes arranged in a rotational axis direction of the photosensitive member and configured to make the plurality of light emitting diodes emit light to expose the photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member,
- wherein the cartridge is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position, wherein the light emitting member is movable between a third position for exposing the photosensitive member in order to form the image on the recording medium and a fourth position retracted more from the cartridge than the third position, and
- wherein, when the cartridge is in the second position and when the light emitting member is in the fourth position, the cartridge is moveable along the rotation axis direction of the photosensitive member so that the cartridge can be removed from inside of the main body of the apparatus.
3 more elements
An image forming apparatus that forms an image on a recording medium, the image forming apparatus comprising:
- a plurality of cartridges each including a photosensitive member and configured to be removed from a main body of the apparatus;
- a plurality of light emitting members each (i) corresponding to the photosensitive member of each of the plurality of cartridges, (ii) have a plurality of light emitting diodes arranged in a rotational axis direction of a corresponding photosensitive member, and (iii) is configured to make the plurality of light emitting diodes emit light to expose the corresponding photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member of each of the plurality of cartridges,
- wherein each of the plurality of cartridges is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position,
- wherein each of the plurality of light emitting members is movable between a third position for exposing the corresponding photosensitive member in order to form the image on the recording medium and a fourth position retracted more from a cartridge of the corresponding photosensitive member than the third position, and
- wherein, when one cartridge of the plurality of cartridges is in the second position and when a light emitting member corresponding to the one cartridge is in the fourth position, the one cartridge is moveable along the rotational axis direction of the corresponding photosensitive member so that the one cartridge can be removed from an inside of the main body of the apparatus.
4 more elements
An image forming apparatus that forms an image on a recording medium, the image forming apparatus comprising:
- a cartridge including a photosensitive member and configured to be removed from a main body of the apparatus;
- a light emitting member having a plurality of light emitting diodes arranged in a rotational axis direction of the photosensitive member and configured to make the plurality of light emitting diodes emit light to expose the photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member,
- wherein the cartridge is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position,
- wherein the light emitting member is movable between a third position for exposing the photosensitive member in order to form the image on the recording medium and a fourth position retracted more from the cartridge than the third position,
- wherein the cartridge is moved in a same direction as a movement of the light emitting member from the third position to the fourth position so as to be moved from the first position to the second position, and a movement amount by which the light emitting member is moved from the third position to the fourth position is larger than a movement amount by which the cartridge is moved from the first position to the second position, and
- wherein, when the cartridge is in the second position and when the light emitting member is in the fourth position, the cartridge can be removed from an inside of the main body of the apparatus.
5 more elements
An image forming apparatus that forms an image on a recording medium, the image forming apparatus comprising:
- a plurality of cartridges each including a photosensitive member and configured to be removed from a main body of the apparatus;
- a plurality of light emitting members each (i) corresponding to the photosensitive member of each of the plurality of cartridges, (ii) have a plurality of light emitting diodes arranged in a rotational axis direction of a corresponding photosensitive member, and (iii) is configured to make the plurality of light emitting diodes emit light to expose the corresponding photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member of each of the plurality of cartridges,
- wherein each of the plurality of cartridges is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position,
- wherein each of the plurality of light emitting members is movable between a third position for exposing the corresponding photosensitive member in order to form the image on the recording medium and a fourth position retracted more from a cartridge of the corresponding photosensitive member than the third position,
- wherein each of the plurality of cartridges is moved in a same direction as a movement of a corresponding light emitting member from the third position to the fourth position so as to be moved from the first position to the second position, and a movement amount by which the corresponding light emitting member is moved from the third position to the fourth position is larger than a movement amount by which each of the plurality of cartridges is moved from the first position to the second position, and
- wherein, when one cartridge of the plurality of cartridges is in the second position and when a light emitting member corresponding to the one cartridge is in the fourth position, the one cartridge can be removed from an inside of the main body of the apparatus.
5 more elements
An image forming apparatus which that an image on a recording medium, the image forming apparatus comprising:
- a cartridge including a photosensitive member and configured to be removed from a main body of the apparatus;
- a light emitting member having a plurality of light emitting diodes arranged in a rotational axis direction of the photosensitive member and configured to make the plurality of light emitting diodes emit light to expose the photosensitive member to the light;
- a transfer member configured to transfer a toner image formed on the photosensitive member;
- and
- a single moving member movable with respect to the main body of the apparatus,
- wherein, when the single moving member is in a predetermined position, exposure by the light emitting member and transfer by the transfer member are performed for forming the image on the recording medium,
- wherein, when the single moving member is moved from the predetermined position to another predetermined position, (i) the light emitting member and the photosensitive member are more separated from each other than when the single moving member is in the predetermined position and (ii) the photosensitive member and the transfer member are more separated from each other than when the single moving member is in the predetermined position, and
- wherein, when the single moving member is in the other predetermined position, the cartridge is moveable along the rotational axis direction of the photosensitive member so that the cartridge can be removed from an inside of the main body of the apparatus.
5 more elements
An image forming apparatus that forms an image on a recording medium, the image forming apparatus comprising:
- a cartridge including a photosensitive member and configured to be removed from a main body of the apparatus;
- a light emitting member having a plurality of light emitting elements arranged in a rotational axis direction of the photosensitive member and configured to make the plurality of light emitting elements emit light to expose the photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member;
- wherein the cartridge is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position,
- wherein the light emitting member is movable between a third position for exposing the photosensitive member in order to form the image on the recording medium and a fourth position retracted more from the cartridge than the third position, and
- wherein, when the cartridge is in the second position and when the light emitting member is in the fourth position, the cartridge is moveable along the rotational axis direction of the photosensitive member so that the cartridge can be removed from an inside of the main body of the apparatus.
4 more elements
An image forming apparatus which forms an image on a recording medium, the image forming apparatus comprising:
- a plurality of cartridges each including a photosensitive member and configured to be removed from a main body of the apparatus;
- a plurality of light emitting members each corresponding to the photosensitive member of each of the plurality of cartridges and each having a plurality of light emitting elements arranged in a rotational axis direction of a corresponding photosensitive member and each configured to make the plurality of light emitting elements emit light to expose the corresponding photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member of each of the plurality of cartridges,
- wherein each of the plurality of cartridges is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position,
- wherein each of the plurality of light emitting members is movable between a third position for exposing the corresponding photosensitive member in order to form the image on the recording medium and a fourth position retracted more from a cartridge of the corresponding photosensitive member than the third position, and
- wherein, when one cartridge of the plurality of cartridges is in the second position and when a light emitting member corresponding to the one cartridge is in the fourth position, the one cartridge is moved along the rotational axis direction of the corresponding photosensitive member so that the one cartridge can be removed from an inside of the main body of the apparatus.
4 more elements
An image forming apparatus that forms an image on a recording medium, the image forming apparatus comprising:
- a cartridge including a photosensitive member and configured to be removed from a main body of the apparatus;
- a light emitting member having a plurality of light emitting elements arranged in a rotational axis direction of the photosensitive member and configured to make the plurality of light emitting elements emit light to expose the photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member,
- wherein the cartridge is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position,
- wherein the light emitting member is movable between a third position for exposing the photosensitive member in order to form the image on the recording medium and a fourth position retracted more from the cartridge than the third position,
- wherein the cartridge is moved in a same direction as a movement of the light emitting member from the third position to the fourth position so as to be moved from the first position to the second position, and a movement amount by which the light emitting member is moved from the third position to the fourth position is larger than a movement amount by which the cartridge is moved from the first position to the second position, and
- wherein, when the cartridge is in the second position and when the light emitting member is in the fourth position, the cartridge can be removed from an inside of the main body of the apparatus.
5 more elements
An image forming apparatus which forms an image on a recording medium, the image forming apparatus comprising:
- a plurality of cartridges each including a photosensitive member and configured to be removed from a main body of the apparatus;
- a plurality of light emitting members each (i) corresponding to the photosensitive member of each of the plurality of cartridges, (ii) have a plurality of light emitting elements arranged in a rotational axis direction of a corresponding photosensitive member, and (iii) is configured to make the plurality of light emitting elements emit light to expose the corresponding photosensitive member to the light;
- and
- a transfer member configured to transfer a toner image formed on the photosensitive member of each of the plurality of cartridges,
- wherein each of the plurality of cartridges is movable between a first position for forming the image on the recording medium and a second position retracted more from the transfer member than the first position,
- wherein each of the plurality of light emitting members is movable between a third position for exposing the corresponding photosensitive member in order to form the image on the recording medium and a fourth position retracted more from a cartridge of the corresponding photosensitive member than the third position,
- wherein each of the plurality of cartridges is moved in a same direction as a movement of a corresponding light emitting member from the third position to the fourth position so as to be moved from the first position to the second position, and a movement amount by which the corresponding light emitting member is moved from the third position to the fourth position is larger than a movement amount by which each of the plurality of cartridges is moved from the first position to the second position, and
- wherein, when one cartridge of the plurality of cartridges is in the second position and when a light emitting member corresponding to the one cartridge is in the fourth position, the one cartridge can be removed from an inside of the main body of the apparatus.
5 more elements
An image forming apparatus that forms an image on a recording medium, the image forming apparatus comprising:
- a cartridge including a photosensitive member and configured to be removed from a main body of the apparatus;
- a light emitting member having a plurality of light emitting elements arranged in a rotational axis direction of the photosensitive member and configured to make the plurality of light emitting elements emit light to expose the photosensitive member to the light;
- a transfer member configured to transfer a toner image formed on the photosensitive member;
- and
- a single moving member movable with respect to the main body of the apparatus,
- wherein, when the single moving member is in a predetermined position, exposure by the light emitting member and transfer by the transfer member are performed for forming the image on the recording medium,
- wherein, when the single moving member is moved from the predetermined position to another predetermined position, the light emitting member and the photosensitive member are more separated from each other and the photosensitive member and the transfer member are more separated from each other than when the single moving member is in the predetermined position, and
- wherein, when the single moving member is in the other predetermined position, the cartridge is moveable along the rotational axis direction of the photosensitive member so that the cartridge can be removed from an inside of the main body of the apparatus.
5 more elements
Dependencies are inferred from the claim text.