Abstract: An image forming device includes an image carrier, a cleaning device, a charging device and a shielding member. The image carrier carries a toner image thereon. The cleaning device removes a toner on the image carrier. The charging device charges the image carrier. The shielding member is disposed between the cleaning device and the charging device. The shielding member is in contact with the image carrier in an area where the image carrier is charged.

Abstract: An image forming device includes an image carrier, a cleaning device, a charging device and a shielding member. The image carrier carries a toner image thereon. The cleaning device removes a toner on the image carrier. The charging device charges the image carrier. The shielding member is disposed between the cleaning device and the charging device. The shielding member is in contact with the image carrier in an area where the image carrier is charged.

Abstract: An image forming apparatus has a cleaning blade adapted to scrape off the residual toner adhering to the surface of the image carrier, a brush arranged upstream relative to the cleaning blade in the direction of revolution of the image carrier and adapted to apply solid lubricant to the surface of the image carrier, and a support member that supports a piece of solid lubricant and adapted to generate movement and to cause the solid lubricant to come into contact with the brush due to the generated movement.

Abstract: An image forming apparatus has a cleaning blade adapted to scrape off the residual toner adhering to the surface of the image carrier, a brush arranged upstream relative to the cleaning blade in the direction of revolution of the image carrier and adapted to apply solid lubricant to the surface of the image carrier, and a support member that supports a piece of solid lubricant and adapted to generate moment and to cause the solid lubricant to come into contact with the brush due to the generated moment.

Abstract: An apparatus for forming an image is provided, in which a rotational member, such as a photoreceptor drum, is borne by using a rolling bearing assuring electric conduction between an inner ring and an outer ring by filling electroconductive grease. Rotation of a photoreceptor drum is borne by using a electroconductive rolling bearing having a resistance between the inner ring and the outer ring of about 15 k&OHgr; or less in terms of a maximum value and about 8 k&OHgr; or less in terms of an effective value under a dynamic condition, where a radial or thrust load acting between the inner ring and the outer ring is 10 N, and a relative difference in rotational velocity between the inner ring and the outer ring is 150 rpm, and the photoreceptor drum is rotated at about 75 rpm or more.

Abstract: An apparatus for forming an image is provided, in which a rotational member, such as a photoreceptor drum, is borne by using a rolling bearing assuring electric conduction between an inner ring and an outer ring by filling electroconductive grease. Rotation of a photoreceptor drum is borne by using a electroconductive rolling bearing having a resistance between the inner ring and the outer ring of about 15 k&OHgr; or less in terms of a maximum value and about 8 k&OHgr; or less in terms of an effective value under a dynamic condition, where a radial or thrust load acting between the inner ring and the outer ring is 10 N, and a relative difference in rotational velocity between the inner ring and the outer ring is 150 rpm, and the photoreceptor drum is rotated at about 75 rpm or more.

Abstract: A method for fixing and a structure for fixing a bearing member for a cylindrical substrate, a print cartridge and an apparatus for forming an image are provided, in which the deflection precision of the cylindrical substrate, such as an electrophotographic photoreceptor, is improved. A cylindrical substrate is expanded toward the outer periphery based on the expanding function caused by elasticity of a first inserting member and a second inserting member upon inserting into the cylindrical substrate from ends of the cylindrical substrate, so as to clamp the cylindrical member and bearing members interdigitated on the outer periphery of the cylindrical substrate. A second inserting member is inserted into the first inserting member.

Abstract: A print cartridge for an image forming apparatus which is insertable into a body of the image forming apparatus, the print cartridge includes an image carrying body, a housing rotatably supporting the image carrying body, and a primary static charger for electrostatically charging the image carrying body, the primary static charger being removably mounted on the housing. The primary static charger has a grid disposed between the corotron wire and the image carrying body which is contacted by a leaf spring to bias the primary static charger toward the housing and also fix the grid on the housing.

Abstract: An image forming apparatus comprises an apparatus body having a guide rail and a print cartridge movable along the guide rail, in which the guide rail has an engaging portion, the print cartridge includes a holder member and a cover for covering the holder member, the cover having a notched portion and the holder member having an engagement portion which is adapted to be pushed so as to be engaged with the engaging portion of the guide rail, the holder member having an operating portion which is responsive to the engagement of the engagement portion with the engaging portion so as to be moved into and out of the cover through said notched portion of the cover. Since the print cartridge slides along the guide rail provided on the apparatus body, and therefore the print cartridge can be easily attached to and detached from the apparatus body.

Abstract: A paving composition comprising asphalt and micro-granular coal which are uniformly combined integrally with each other without thermal decomposition of said coal and a method for producing a paving composition which comprises triturating a mixture of asphalt and coal at a temperature below the thermal decomposition point of the coal thereby to reduce the diameter of the resulting micro-granular coal to 1 to 100.mu. and, at the same time, to achieve the uniform integral combination of asphalt and coal. Thereby, there is provided a paving composition which is excellent in thermal stability, weather resistance, adhesive property, sticking strength, viscoelasticity and workability. Moreover, besides the main components, asphalt and coal, various modifying agents or additives may be further incorporated so that the properties of the paving composition can be further improved.