摘要:
A process cartridge includes a first frame in which a toner containing unit for containing toner used for a developing operation and a charger unit are mounted, and a second frame which can be engaged by and disengaged from the first frame, and in which an image bearing member, a developing unit and cleaning unit are mounted. With this arrangement, the assembling ability and disassembling ability are improved remarkably, and the process cartridge is suitable for the re-cycling to contribute to the protection of the earth-environment.
摘要:
An image bearing member, process device acting on the image bearing member, a first frame, a second frame lockable and separable with respect to the first frame, a locking body and a locking member lockable to the locking body, provided to separably interlock the first and second frames, and a recessed portion and a projection fittable into the recessed portion which are provided to separably interlock the first and second frames. With above construction it is possible to provide a process cartridge, an image forming system, and a method for assembling a cleaning device, which can be easily assembled and can sufficiently cope a large when the number of re-cycles.
摘要:
A process cartridge mountable within an image forming apparatus, the process cartridge including (a) a frame, (b) an image bearing member provided in the frame, and (c) a blade member including an elastic blade, and a support member for supporting the elastic blade and having a supporting portion for supporting the elastic blade, a protruded portion protruding from the supporting portion in a longitudinal direction, and a hole formed in the protruded portion.
摘要:
A blade member, mountable onto an electrophotographic image forming apparatus, such as copier, printer, facsimile, word processor, and the like, for removing residual matter from an electrophotographic photosensitive member, includes an elastic blade one side surface of which is flat in a longitudinal direction thereof and the other side surface of which has a vertical portion perpendicular to an end surface of the elastic blade, and an inclined portion inclined with respect to the vertical portion, the inclined portion having a larger thickness than the vertical portion, and a support member for supporting the elastic blade. A thickness (f) of a portion of the elastic blade, which is engaged by the support member at a side of the one side surface, is greater than a thickness (g) of a portion of the elastic blade which is engaged by the support member at a side of the other side surface.
摘要:
A process cartridge mountable to an image forming apparatus includes a frame, an image bearing member, a toner carrying member for directing toner to the image bearing member, and a magnet disposed within the toner carrying member. A common positioning member, separate from the frame, contacts each of the image bearing member and the magnet to mutually position the image bearing member and the magnet.
摘要:
The present invention is characterized by an image bearing member, a toner carrying member for directing toner to the image bearing member and a magnet disposed within the toner carrying member, and in that the image bearing member and the magnet are positioned by a common positioning member. With above construction, it is possible to provide a process cartridge and an image forming system, which can remarkably the accuracy of attachment positions of an image bearing member and a magnet, thus remarkably enhancing the image quality.
摘要:
The present invention provides an image bearing member comprising an image bearing layer capable of bearing an image, a substrate for supporting the image bearing layer, and a weight portion arranged with the substrate asymmetrically with respect to a center of said substrate in a generatrix direction thereof.
摘要:
A process cartridge is mountable to an image forming system and includes an image bearing member; a developing bias contact for applying a developing bias to a developing device; an earthing contact for earthing the image bearing member; and a charging bias contact for applying a charging bias to a charging device. The developing bias contact, the earthing contact, and the charging bias contact are arranged in an area corresponding to an end portion of the image bearing member in a longitudinal direction of the image bearing member, such that (i) the developing bias contact is arranged at a first side of the image bearing member in a direction orthogonal to the longitudinal direction of the image bearing member, and (ii) the earthing contact and the charging bias contact are arranged at a second side of the image bearing member in the orthogonal direction.
摘要:
A process cartridge includes a first upper and second lower frame, separably engageable to each other, an image bearing member, a process means acting on the image bearing member, and a positioning device for positioning an optical unit of an image forming apparatus when the process cartridge is mounted within the image forming apparatus. With this arrangement, the present invention can provide a process cartridge and an image forming apparatus capable of mounting the process cartridge, which can form an image with higher quality than that of the conventional techniques, without distorting the image. The positioning member is located on the second lower frame and passes through openings formed on the first upper frame in order to position the optical unit.
摘要:
A process cartridge removably mountable to an image forming apparatus includes an image bearing member having a photosensitive drum including a cylindrical member having a photosensitive layer thereon, a first gear provided at one end of the cylindrical member in an axial direction thereof, and a helical gear as a second gear provided at the one end of the cylindrical member adjacent to and outside of the first gear in the axial direction of the cylindrical member and having a diameter larger than a diameter of the first gear. The first gear and the helical gear are integrally formed as a gear portion having a through-bore portion with an inner diameter that varies along its axial length. Accordingly, the present invention provides a smoothly rotating image bearing member for producing high quality images.