Abstract: A corrosion measurement system includes a corrosion sensor having a corrosion sensor output related to corrosion due to exposure to a process fluid. A process variable sensor provides a process variable output related to a process variable of the process fluid. Measurement circuitry coupled to the corrosion sensor and the process variable sensor provides an output related to corrosion based upon the corrosion sensor output and the process variable output.

Abstract: An electronic device includes: a base; a support unit that includes first and second attaching portions disposed to be separated from each other in a first direction via a middle portion having a conductive pattern formed from a conductive member and is attached to the base in the first and second attaching portions; and a functional element that is supported by the support unit. The conductive pattern includes a broad width portion having a width W1 in a second direction orthogonal to the first direction and a narrow width portion having a width W2 narrower than the width W1 in a plan view.

Abstract: A pressing apparatus includes a presser including a second member configured to come close to or separate from a first member; an elastic member configured to apply force in a direction in which the second member comes close to the first member to the presser, the elastic member being mounted on the presser; an actuator configured to apply force in a direction in which the second member comes close to the first member or separates from the first member to the presser, the actuator being mounted on the presser; an acquirer configured to acquire a parameter containing at least one of a position of the presser, a speed of the presser, and force applied by the actuator to the presser; and a controller configured to feedback-control the actuator based on the parameter.

Abstract: A cooling unit has a cooling fan, a duct configured to guide air supplied from the cooling fan and having a shape extending along an axial direction of a photosensitive member, and a plurality of air outlet portions provided in the duct so as to be apart from each other in the axial direction. Air discharged from the plurality of air outlet portions is supplied to the inside of an image forming unit by utilizing a space as an air duct.

Abstract: A power transmission apparatus includes a first pulley and a second pulley. A belt is extended around them. A supply unit supplies a voltage such that the first pulley and the belt are electrostatically attracted and that the second pulley and the belt are electrostatically attracted. The belt includes a conductor layer. At least one pulley includes a first electrode to which a first voltage is applied and a second electrode that is insulated from the first electrode and to which a second voltage is applied. An insulating layer or a dielectric layer is arranged between the conductor layer of the belt and the first electrode of the at least one pulley and an insulating layer or a dielectric layer is arranged between the conductor layer of the belt and the second electrode of the at least one pulley.

Abstract: There is provided a manufacturing method of manufacturing a cartridge by using a cartridge having a rotator, a frame that supports the rotator, an elastic member that is provided in a concave portion formed in the frame along a rotation axis direction of the rotator, and a sheet member that has one end fixed to the elastic member and the other end abutting on the rotator along the rotation axis direction of the rotator, and the manufacturing method includes: detaching the rotator from the frame; detaching the sheet member from the frame; detaching the elastic member from the frame; and attaching another sheet member to the frame via an adhesive member that is attached to an adhesive member attachment portion formed in the concave portion of the frame.

Abstract: A driving mechanism includes a first gear mechanism, a motion conversion mechanism, an actuator, and a mechanical clutch. The mechanical clutch includes an input gear that includes a plurality of engaging portions engageable with a displaced portion on a first position. The mechanical clutch switches to a connected state and a non-connected state corresponding to whether or not the engaging portions each engage with the displaced portion of the actuator. The connected state is a state where the rotational power of the first gear mechanism is transmitted to the motion conversion mechanism. The non-connected state is a state where the rotational power of the first gear mechanism is not transmitted to the motion conversion mechanism. The plurality of engaging portions are formed on a plurality of positions within a range of a default center angle less than 180 degrees in a circumferential direction of the input gear.

Abstract: A developing cartridge may include a rotary gear rotatable about one axis and a detection gear rotatable about another axis. The detection gear is configured to be not rotatable with the rotary gear in a case where the rotary gear rotates from a first rotational position to a second rotational position, while being configured to be rotatable with the rotary gear in a case where the rotary gear rotates from the second rotational position to a third rotational position.

Abstract: A drive transmitter includes an internally toothed gear, a first support shaft to rotatably support the internally toothed gear without using a bearing, a drive source to apply a driving force to the internally toothed gear, a rotary body to which the driving force is transmitted via the internally toothed gear, and a grease retainer disposed on the first support shaft and to retain grease on at least one of a portion of the first support shaft facing the internally toothed gear and a portion of the internally toothed gear facing the first support shaft. An image forming apparatus includes the drive transmitter.

Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.

Abstract: A toner cartridge including a carrier container in which one surface needed for discharge of carriers faces a toner discharge outlet, an image forming apparatus, and a method for controlling the image forming apparatus are provided. The toner cartridge includes a case, a toner container in the case so as to contain the toners; a toner outlet disposed over the case so as to discharge the container toner to the outside; and a carrier container including carriers therein such that one surface of the carrier container, through which the included carriers are discharged, is arranged to face the toner outlet.

Abstract: A fixing device includes a pair of bushes, a pair of bearing members, a support plate, and a fixing frame. The pair of bushes are attached to both end parts of a rotation shaft of a heating rotating member. The pair of bearing members supports the bushes in a rotatable manner. The support plate has insertion hole into which the bearing member is inserted so that the bearing member is fastened, and a positioning pin. The fixing frame has a positioning hole into which the positioning pin is inserted. The support plate is provided with a distortion prevention part for preventing occurrence of distortion around the insertion hole when the positioning pin is inserted into the positioning hole. At least a part of the distortion prevention part is positioned within a first area.

Abstract: A developer container includes a memory device with a first marker; and a main body with a second marker, the main body being configured to accommodate a developer. The memory device is attached to the main body such that both the first marker and the second marker are visually recognized.

Abstract: An image forming apparatus includes a mounting unit, a restricting member, a driving source, a reading unit, a storage unit, and a control unit. The reading unit reads mounting-destination information from a storage medium. The mounting-destination information is information stored in the storage medium located in the container and information assigned to the image forming apparatus used by an ordering source user who has ordered the container. The own-apparatus information is information assigned to its own apparatus. The control unit that determines whether the mounting-destination information read from the storage medium of the container mounted to the mounting unit by the reading unit matches the own-apparatus information or not when the container is mounted to the mounting unit, and the control unit controlling driving of the driving source to move the restricting member to a restriction position when the mounting-destination information matches the own-apparatus information.

Abstract: An image heating apparatus includes a first heater for heating a first roller, a second heater for heating a second roller, a first sensor for detecting a temperature of a region of an endless belt supported by the first roller, a second sensor for detecting a temperature of a region of the endless belt supported by the second roller, and a controller for controlling energization to the first heater and to the second heater. The controller executes a first mode in which the energization to the first heater is controlled using an output of the first sensor and the energization to the second heater is controlled using an output of the second sensor, and a second mode in which the energization to the first heater and the second heater is controlled using the output of the first sensor without using the output of the second sensor.

Abstract: An image heating apparatus includes first and second rotatable members configured to form a nip for heating a toner image on a sheet, a compressor, an air nozzle configured to blow air, generated by the compressor, on the first rotatable member, and a supplying mechanism configured to supply the air from the compressor to the air nozzle, the supplying mechanism including a plurality of air tubes and a plurality of clamps for clamping the air tubes at a plurality of different clamping positions. The plurality of clamping portions includes a predetermined clamping portion capable of being unclamped by a predetermined internal pressure lower by 20% or more than an internal pressure by which any other clamping portion, of the plurality of clamping portions, is unclamped.

Abstract: An image forming apparatus includes a cartridge storage portion that is installed in an image forming apparatus main body, and a toner cartridge that is configured so as to be able to be inserted into and removed from the cartridge storage portion. The cartridge storage portion has a storage opening that receives the toner cartridge, and has a gap between an end part of the toner cartridge and the storage opening, through which the end part of the toner cartridge is not able to be held, when the toner cartridge is stored in the cartridge storage portion.

Abstract: An image forming apparatus includes a photoconductor and an electricity removing member electrically grounded and disposed to be in contact with a surface of the photoconductor. In the image forming apparatus, with regard to a capacitance component of an inner impedance of the electricity removing member and a capacitance component of a contact impedance of the electricity removing member that are calculated from a Cole-Cole plot obtained from measurement by an AC impedance method in a predetermined frequency range, a value obtained by dividing the capacitance component of the contact impedance by the capacitance component of the inner impedance is equal to or lower than a predetermined first specific value, and the capacitance component of the inner impedance is equal to or lower than a predetermined second specific value.

Abstract: An electrophotographic image forming device includes a replaceable unit having a body with a toner reservoir. A drive element on a rear end of the body is unobstructed to mesh with a corresponding drive element in the image forming device. A toner outlet port is positioned on a bottom of the body near the rear end of the body. A latch catch is positioned on a first side of the body to receive a corresponding latch when the replaceable unit is installed in the image forming device. A latch actuator at the front end of the body is movable between a home position and a releasing position. A release handle at the front end of the body is operatively connected to the latch actuator such that actuation of the release handle causes the latch actuator to move from the home position to the releasing position to unlatch the body.

Abstract: An image forming apparatus includes an image forming portion forming a toner image on a sheet, a rotatable heating member and a rotatable pressing member for fixing, at a nip, the toner image formed on the sheet by the image forming portion, an executing portion for executing a cleaning mode for cleaning the rotatable heating member by introducing, into the nip, the sheet on which a predetermined toner image is formed by the image forming portion, a re-introducing mechanism for re-introducing the sheet, into the nip, which has passed through the nip and then has been turned upside down, and a shifting mechanism for shifting a sheet position so that when a single sheet is introduced twice into the nip in the cleaning mode by using the re-introducing mechanism, positional relationships of a first-time sheet and a second-time sheet relative to the rotatable heating member with respect to a widthwise direction of the rotatable heating member are made different from each other.