摘要:
A roller includes a shaft including reinforcing fiber and a binder resin; and an elastic body surrounding an outer surface of the shaft, wherein an average length to average diameter ratio (L/D) of the reinforcing fiber is from about 15,000:1 to about 50,000:1.
摘要:
A belt configured to travel a continuous track may be incorporated for use in an image forming apparatus. The belt may include a guide member formed on a surface of the belt to prevent a belt from meandering off of the track, where the guide member may include a rubber sheet and a carbon black material having a primer particle diameter ranging from about 15 nm to about 35 nm. An image forming apparatus incorporating the belt with one or more guide members has an increased resistance to abrasion and mitigates belt meandering and image contamination.
摘要:
A charging apparatus including a charging tube which has an outer surface contacting a photoconductive medium and electrically charges a surface of the photoconductive medium, a shaft which is disposed in the charging tube and to which a charging voltage is applied, and a conductive member which is connected to the shaft and contacts an inner surface of the charging tube. A friction coefficient between the conductive member and the inner surface of the charging tube may be less than a friction coefficient between the photoconductive medium and the outer surface of the charging tube, so that a slip phenomenon of the charging tube is prevented.
摘要:
Provided is a communication adapter switching method and apparatus in a system having a plurality of communication adapters. The method includes: setting the addresses of the plurality of communication adapters equal to the address of the first of the plurality of communication adapters; setting a packet filtering mode of the communication adapters other than the first communication adapter to a mode in which all packets are accepted; and switching from one of the communication adapters to another when the one communication adapter is disconnected during communication. Accordingly, seamless handoff from the wired LAN to the wireless LAN is possible, since the TCP/IP session is maintained with the same IP address.
摘要:
A roller includes a shaft including reinforcing fiber and a binder resin; and an elastic body surrounding an outer surface of the shaft, wherein an average length to average diameter ratio (L/D) of the reinforcing fiber is from about 15,000:1 to about 50,000:1.
摘要:
A microactuator including a base frame; and a moving plate having both ends supported by a plurality of elastic support portions inside the base frame, the moving plate having a first side on which a reflective mirror for changing a light path is disposed. At least one first rib is disposed along an edge of a second side of the moving plate, which is the reverse side of the first side of the moving plate, and a second rib is disposed in the center of the second side of the moving plate and correspondingly encloses a permanent magnet. Also, a portion of the second side of the moving plate, except for the first and second ribs, is removed to a predetermined depth to reduce the weight of the entire moving plate and to define the first and second ribs.
摘要:
A method and apparatus for reducing power consumption in a display area of an electronic device such as a portable computer are provided. Such a method includes: (a) activating a mode of setting the display area to a white background screen using a first input command of a user; and (b) locating the white background screen over all windows, except for a current task window being displayed in part of the display area. Additionally, the apparatus for reducing power consumption in a display area includes an input unit receiving a first input command from a user; a mode activation unit for activating a mode of setting the display area to a white background screen according to a first input command from a user; and a location setting unit for locating the white background screen over all windows, except for a current task window being displayed in part of the display area. As a result, the lifetime of a battery of a portable computer is maximized by reducing power consumption in the portion of a display area that is not being used by a user.
摘要:
A cleaning unit and an electrophotographic image forming apparatus including the cleaning unit that prevents a cleaning blade from overturning is disclosed. The cleaning unit includes a cleaning blade that contacts an outer circumference of an object to be cleaned with a predetermined pressure, and thus removes material remaining on the outer circumference of the object while the object is rotating. A bracket is connected to one side of the cleaning blade and supports the cleaning blade. A support frame is connected to the other side of the cleaning blade (that is, a side opposite to the side where the bracket is connected), and is placed close to the object to be clean. The support frame prevents the cleaning blade from being bent in a rotation direction of the object.
摘要:
A developing cartridge includes a photoconductive body, a charging unit which charges a surface of the photoconductive body and a developing unit which forms a toner image. The charging unit includes a shaft which applies a charging voltage and which has a central axis parallel to a rotating axis of the photoconductive body, a tubular member of a conductive material which surrounds the shaft, a current carrying member which applies an electric current to the shaft and the tubular member, and a damping member which is disposed between the shaft and the current carrying member. The shaft has a middle portion which is thicker than opposite end portions in a longitudinal direction along the central axis.
摘要:
A toner supply roller of an electrophotographic imaging apparatus and a method of preparing the toner supply roller are provided. The toner supply roller includes a polyurethane foam, and a metal shaft inserted in the polyurethane foam along an axis thereof, wherein the polyurethane foam includes an ion-conductive agent and a binder, and the binder includes a resin having an amide bond. Accordingly, the toner supply roller including polyurethane foam provides an improved toner supply and prevents image defects.