Abstract:
An image fixing apparatus includes a rotatable member for being heated by a heating source to fix an image on an image supporting member, first and second detecting elements responsive to temperature of the rotatable member, and wherein the first and second detecting elements are disposed on substantially the same circumferential line of the rotatable member.
Abstract:
A driving mechanism for driving an electrophotographic photosensitive body operates through a torque limiter. The torque limiter is arranged on a support shaft for supporting the photosensitive body. A driving gear for driving a developing member is arranged coaxially with the torque limiter independently of the latter. This arrangement reduces the load applied to the torque limiter. In addition, the mechanism remains compact.
Abstract:
Apparatus for automatically feeding a film to the outside of the reel on which the film has been rolled around. The film has a leader part affixed to the forward end of the film. The width of the leader part is larger than the width of the image recording part of the film. The reel has a pair of flanges disposed spaced from each other by a distance smaller than the width of the leader part. The leader part is rolled around the outer circumference of said paired flanges. A feed roller is provided to feed out the leader part to the outside of the reel. The feed roller has a width smaller than the space between the paired flanges and is movable between a position outside of the paired flanges and a position inside of the flanges. The position of the feed roller is detected by a detector which detects that the whole leader part has been fed out from the reel.
Abstract:
A developing device including: a first developer carrying member for carrying a developer to develop a latent image formed on an image bearing member; a first regulating member, disposed on one end of a longitudinal direction of the image bearing member, for regulating a gap between the image bearing member and the first developer carrying member; a second developer carrying member for carrying a developer to develop the same latent image formed on the image bearing member; and a second regulating member, disposed on the one end of the longitudinal direction of the image bearing member, for regulating a gap between the image bearing member and the second developer carrying member, wherein the first and second regulating members are disposed without being superposed upon each other in the longitudinal direction.
Abstract:
A separating apparatus for separating foreign matter from magnetic toner, includes a filter with openings allowing a toner to pass therethrough, a vibration generator for vibrating the filter in a substantially horizontal direction relative to a filter surface of the filter, and magnetic field generator for generating a magnetic field for attracting the magnetic toner through the filter.
Abstract:
A developing apparatus includes a container for containing a developer including magnetic particles. A rotatable developer carrying member is disposed in the container and faced to an image bearing member, for carrying the developer to a developing zone. A magnet is provided in the developer carrying member, and a magnetic sealing member is disposed adjacent to and in a rotational direction of the developer carrying member in a region inside of the container adjacent a longitudinal end of the developer carrying member, wherein the magnetic sealing member cooperates with the magnet to form a magnetic field effective to form a magnetic brush of the developer between the magnetic sealing member and the developer carrying member, and wherein an outer end, with respect to the longitudinal direction of the developer carrying member, of the magnetic sealing member is disposed in a range between 2 mm outwardly away from an end of the magnet and 1 mm inwardly away therefrom.
Abstract:
A sealing device for use in a process cartridge including a cartridge frame, an image bearing member mounted in the cartridge frame, and process equipment, mounted in the cartridge frame, operative on the image bearing member, to prevent toner from leaking out of said cartridge frame. The sealing device includes a holder having an attachment position for detachably attaching the holder to the cartridge frame, a first sealing member, attached to the holder, capable of contacting a first position on the cartridge frame to prevent the toner from leaking out of said cartridge frame, and a second sealing member, separate from the first sealing member, attached to said holder and capable of contacting a second position on the cartridge frame, wherein the first position and the second position are different.
Abstract:
A developer extracting apparatus for extracting developer from a mixture of developer and foreign matter, includes a filter for permitting passage of developer and for inhibiting passage of foreign matter, protection means for protecting the filter, and a vibration applying means for applying vibration to the filter via the protection means.
Abstract:
An apparatus for transporting a sheet includes a first transporting path provided with rollers for transporting the sheet to an image forming section, a second transporting path for conducting the sheet in a direction transverse to the first transporting path, and a control section for controlling the first and second transporting paths so that they can be connected and disconnected to each other.
Abstract:
An original scanning apparatus comrpises a scanning unit for scanning an original. The scanning unit has a mirror and a light source for illuminating the original. A connecting member is electrically connected to the scanning unit. A guide member supports and guides one end of the scanning unit. The guide member fixes a position of the one end of the scanning unit in a vertical direction. At least a part of a driving element is disposed at the position overlapping with the guide member in the vertical direction, but not overlapping with the mirror of the scanning unit. The connecting member is provided at the side of the guide member.