Abstract: A power supply device is connectable to a commercial power supply to output power to a supply destination device. The power supply device includes a filter circuit and a switching unit. The filter circuit includes a capacitor unit. The switching unit is configured to switch a capacitor capacity of the capacitor unit.

Abstract: In an example, a first wiper blade is to contact the photoconductive surface and to wipe at least some of particles and fluid from the photoconductive surface and wherein a second wiper blade is to contact the photoconductive surface and to wipe at least some of the particles and fluid that have passed the first wiper blade, from the photoconductive surface. The first wiper blade includes at least one perforation forming a passage through the wiper blade to transmit part of the particles and fluid during wiping.

Abstract: A drum cartridge includes a first photosensitive drum, a frame, a first toner cartridge connector, a first harness, and a protection wall. The first photosensitive drum is rotatable about a first drum axis extending in a first direction. The first harness is electrically connected to the first toner cartridge connector. The first harness extends in a second direction intersecting the first direction. The protection wall extends in the second direction and positioned between the inner surface of the first side plate and the second side plate. The first harness is received between the protection wall and the inner surface of the first side plate.

Abstract: A constructive system regarding a capacitance electric voltage sensor comprises a source electrode (110, 210), a shielding tubular body (120, 220), an electric field sensor (130, 230) and a mass of dielectric insulating material (140, 240). The electric field sensor (130, 230) comprises at least one first inner sheet (131, 231) and a second outer sheet (132, 232) superimposed and joined together, wherein said first inner sheet (131, 231) is made by means of a conductive metal material, wherein said second outer sheet (132, 232) is made by means of an electrically insulating material, and wherein said second outer sheet (132, 232) made of insulating material is constrained with respect to the inner face (124, 224) of the shielding tubular element (120, 220).

Abstract: A drum cartridge includes a frame on which a toner cartridge is attachable, a photosensitive drum, and a drum memory. The drum cartridge relays information stored in the toner memory to the image forming apparatus when the toner cartridge is attached to the frame.

Abstract: The pixels counting unit divides an area in a main-scanning direction of a recording material on which image formation is performed into a plurality of areas 1 to n based on a width that is a length in the main-scanning direction of the recording material, and measures a pixels count with respect to each area among the plurality of areas 1 to n defined by dividing the area in the main-scanning direction of the recording material.

Abstract: An image forming apparatus includes a fixing device that fixes an image to a recording medium that is transported by applying heat; a guide member including a first guide surface that guides the recording medium to which the image has been fixed by the fixing device, a second guide surface that is opposite to the first guide surface and that guides the recording medium that is transported backward after being guided by the first guide surface, and a communicating portion that enables air to flow between the first guide surface and the second guide surface; and plural suction members that cool the recording medium guided by the first guide surface by sucking air in a direction toward the second guide surface of the guide member, the suction members being arranged in a transporting direction in which the recording medium is transported.

Abstract: An image forming apparatus includes an intermediate transfer belt, an image forming device, a brush roller, a bias application device, and a controller. The bias application device applies, between the intermediate transfer belt and the brush roller, a bias for shifting a charged residual toner from the intermediate transfer belt to the brush roller. The controller controls, in a period in which calibration or maintenance is executed, the bias application device to set an application amount of the bias at a predefined first value only in a specified time zone in which the residual toner is present on the intermediate transfer belt and to set the application amount of the bias at a predefined second value smaller than the first value in time zones other than the specified time zone.

Abstract: A drum cartridge that is mountable to and demountable from a main body of an image forming apparatus, the drum cartridge including: a photosensitive drum rotatable about a first axis extending in a first direction; and a first conveying roller rotatable about a second axis extending in the first direction, the first conveying roller being in contact with a second conveying roller of the image forming apparatus and being configured to convey a sheet, which is sandwiched between the first conveying roller and the second conveying roller, toward the photosensitive drum in a state where the drum cartridge is mounted on the main body, in which the drum cartridge has a guide groove into which an end portion of the second conveying roller in the first direction is inserted in the state where the drum cartridge is mounted on the main body.

Abstract: A heating device includes a heater that heats an object to be heated. A holder supports the heater and includes an engaged portion. The heater includes a contact face that contacts the object to be heated. The heater further includes a separation restrictor that engages the engaged portion of the holder to restrict motion of the heater in a separating direction in which the heater separates from the holder. The separating direction is perpendicular to the contact face.

Abstract: A fixing device that fixes a toner image to a medium, includes: a heating body rotatably supported; an auxiliary heating member disposed along an inner surface of the heating rotation body; a temperature sensor facing the inner surface via the auxiliary heating member; a first elastic body configured to press, via a first force, the temperature sensor against the inner surface; and a second elastic body configured to press, via a second force, a sliding member against the inner surface. A product of a distance from a center of the auxiliary heating member to the first elastic body and the first elastic force is equal to a product of a distance from the center to the second elastic body and the second elastic force.

Abstract: An electrically conductive probe, such as a probe similar to those utilized in other electric leak detection systems, is positioned electrically adjacent to different regions of a wall of an underground access chamber, for detection of leaks therein. In one embodiment, the probe is positioned at an elevation and circumferential position which is sequentially adjusted so that the probe can scan regions of the wall for leaks. In another embodiment, a modified probe remains centrally located within the underground access chamber and only moved vertically. The modified probe is fitted with whiskers extending radially. The modified probe includes sectors circumferentially spaced from each other and with each whisker associated with one of the sectors. A selector switch electrically connects one sector to the electrically conductive cable. Data collected by either probe can be graphed or otherwise analyzed with regions of high conductivity correlating with leaks in the underground access chamber.

Abstract: A smart-home device may include a solid state relay (SSR) switching integrated circuit (IC). SSR switching IC may include switching elements configured to open and close a connection between a power wire and a return wire of an environmental system; a voltage sensor that measures a voltage across the one or more switching elements; a current sensor that measures a current through the one or more switching elements; and a temperature sensor that measures a temperature near the one or more switching elements. The smart-home device may also include a wireless communication device that periodically receives voltage, current, or temperature data originating from the SSR switching IC and transmits the voltage, current, or temperature data to a device management server. The device management server may receive batches of voltage, current, or temperature data from a plurality of smart-home devices.

Abstract: A linear position detecting device applied to a linear motion system for motion measurement is provided. The linear position detecting device comprises a coding element and a detecting element corresponding to the coding element for retrieving the signal of the coding element to provide the position information. The coding element comprises a base, a first coding unit and a second coding unit wherein the base comprises an axial direction parallel to a length of the base, and a radial direction perpendicular to the axial direction. The first coding unit is configured on the base and comprises a plurality of first tracks extended along the axial direction and alternately arranged along the radial direction. The second coding unit is configured on the base and adjacent to the first coding unit, and comprises a plurality of second tracks wherein the second tracks are extended along the radial direction and alternately arranged along the axial direction.

Abstract: A cleaning device includes a cleaning roller, a bearing member, a guiding member and an energizing member. The cleaning roller includes a second gear meshed with a first gear of an image carrier. The cleaning roller is rotationally driven in an opposite direction to the image carrier by driving force transmitted from the first gear to the second gear. The bearing member supports a core metal of the cleaning roller. The guiding member has a placement face on which the bearing member is placed. The placement face is inclined with regard to a straight line passing through a rotation center of the first gear and a rotation center of the second gear so that a distance between the straight line and the placement face becomes larger, the closer to the first gear. The energizing member energizes the bearing member so as to press the cleaning roller to the image carrier.

Abstract: A light emitter includes: plural light emitting thyristors that each have an anode, a cathode, and a gate and are connected in parallel between a reference voltage line to which a reference voltage is supplied and a lighting voltage line to which a lighting start voltage for starting lighting is supplied, in which the anode and the cathode are connected respectively to the reference voltage line and the lighting voltage line; and a gate voltage setting section that, when at least one of the plural light emitting thyristors transitions from an off-state to an on-state, sets a voltage on the gate of each of the plural light emitting thyristors to a voltage between the lighting start voltage and an on-state voltage of the light emitting thyristor.

Abstract: A fusing device including a heating member, a pressing member to press a recording medium while facing the heating member, a first guide member to guide the recording medium to a nip formed between the heating member and the pressing member, a second guide member to be hingeably connected to the first guide member, the second guide member to move to a first position and to a second position, and an actuator configured to move the second guide member to the first position and the second position, the second guide member being further away from the heating member at the second position than at the first position, and the second guide member is to move to the first position before a front end of the recording medium enters the nip, and is to move to the second position after the front end of the recording medium enters the nip.

Abstract: In described examples, a time-domain analyzer is arranged to generate an indication of a number of high-frequency events of an electrical monitor signal that includes a fundamental periodic frequency. The high-frequency events include frequencies higher than the fundamental periodic frequency. A frequency-domain analyzer is arranged to generate frequency band information in response to frequencies of the electrical monitor signal that are higher than the fundamental periodic frequency. A fault detector is arranged to monitor the indication of the number of high-frequency events and the generated frequency band information, and to generate a fault flag in response to the monitored indication of the number of high-frequency events and the generated frequency band information.

Abstract: An image forming apparatus includes an image carrier; a charging section that charges a surface of the image carrier; an electrostatic charge image forming section that forms an electrostatic charge image on the charged surface of the image carrier; a developing section that has a container containing an electrostatic charge image developer and develops the electrostatic charge image formed on the surface of the image carrier into a toner image using the electrostatic charge image developer, the electrostatic charge image developer including toner for electrostatic charge image development, the toner containing toner particles and an external additive; a transfer section that transfers the toner image formed on the surface of the image carrier to a surface of a recording medium; a cleaning section that has a cleaning blade with which the cleaning section cleans the surface of the image carrier; and a lubricant supplying section that has a lubricant supplying member that supplies a lubricant to the contact por

Abstract: An intermediate transfer body includes: a base layer made of a resin; and a surface layer disposed on the base layer, wherein the surface layer is an integral object of inorganic oxide and contains a black titanium compound dispersed in the surface layer.