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6682results about "Electrographic process apparatus" patented technology

Sheet processing apparatus, sheet processing method, and image forming system

A sheet processing apparatus includes: a center-folder to perform a center-folding process on a sheet bundle including multiple sheet materials; a back-crimp binder to: form a back portion on the sheet bundle subjected to the center-folding process; and perform a crimp-binding process on the back portion; and a controller configured to: cause the center-folder to perform the center-folding process; and cause the back-crimp binder to perform the crimp-binding process on the back portion while forming the back portion on the sheet bundle in the crimp-binding process.
Owner:RICOH CO LTD

Chip assembly and consumable box set

The invention provides a chip assembly and a consumable box set, and relates to the technical field of printing imaging. The consumable box set is used for being in contact with contact pins of printing equipment and receiving printing signals, the printing equipment is provided with at least one first contact pin set and at least one second contact pin set, the first contact pin set and the second contact pin set are not overlapped, a first consumable box of the consumable box set is matched with the first contact pin set, the first consumable box is provided with a first electronic module, and the second consumable box is provided with a second electronic module. The first electronic module is electrically connected with at least one first contact part, and the first contact part is in contact with the first contact pin group to receive a first electric signal; the second consumable box is matched with the second contact pin group and is provided with a second electronic module, the second electronic module is electrically connected with the first electronic module, and the second electronic module receives the first electric signal through the first contact part. According to the invention, the risk of short circuit can be reduced, and normal use of the chip assembly is ensured.
Owner:APEX MICROELECTRONICS CO LTD

Recording material conveying device and image forming system

A recording material conveying device includes: a first conveyor that conveys a recording material supplied from a recording material supply part; a second conveyor that branches from the first conveyor and conveys the recording material without passing through an image forming part; a third conveyor that branches from the first conveyor and conveys the recording material via the image forming part; and a detector that detects a recording material characteristic of the recording material, wherein the recording material whose recording material characteristic has been detected by the detector can be ejected from the second conveyor.
Owner:KONICA MINOLTA INC

Method and system for improving powder uniformity of selenium drum

The invention relates to the technical field of detection of toner cartridge powder, and discloses a method and a system for improving the uniformity of toner cartridge powder, which are used for continuously sampling powder flow to obtain a real-time weight distribution matrix. And when abnormal flow is detected, noise is eliminated, processed data are input into a fuzzy PID controller, and feeding parameters are dynamically adjusted. Meanwhile, powder is promoted to be uniformly dispersed in combination with a vibration frequency modulation technology, and a weight change trend is predicted by utilizing a long-short-term memory network algorithm. In addition, the method further comprises an anomaly detection and fault diagnosis mechanism, control parameters are continuously adjusted through closed-loop optimization, and finally a batch quality tracing system is established. By means of the method, the precision and consistency of toner cartridge powder conveying can be effectively improved, and intelligent control and quality management in the production process are achieved.
Owner:ZHUHAI DADIHUI ELECTRONIC TECH CO LTD

Image forming apparatus

An image forming apparatus includes (i) a developing unit including a storage frame including a receiving opening, and a developing shutter movable between a closed position to cover the receiving opening and an open position to expose the receiving opening, (ii) a toner cartridge including a toner frame having a discharge opening and movable between a mounting position at which the discharge opening faces the receiving opening and a retreat position, (iii) a moving device configured to move the toner cartridge from the retreat position toward the mounting position, and (iv) a drive device including a drive source and configured to drive the moving device. The developing shutter moves from the closed position toward the open position by a force of the drive source when the toner cartridge moves from the retreat position toward the mounting position.
Owner:CANON KK

Image forming apparatus

The present invention is directed to reducing moving members for moving a magnetic body relative to a developer. An image forming apparatus includes a developing unit including an accommodation portion, a developing member, and a magnetic body unit, the magnetic body unit being located inside the accommodation portion and supported to be movable relative to the accommodation portion in a moving direction, a rotary, and a magnetic sensor. A rotation period for the rotary to make one rotation includes a first period. In the first period, the moving direction includes a vertically downward direction. The first period includes a contact period during which the magnetic body unit is received by a developer. The contact period includes timing at which a rotation center of the rotary, the magnetic body unit, and the magnetic sensor are aligned on a straight line in a radial direction of rotation of the rotary.
Owner:CANON KK

Inspection apparatus and control method of inspection apparatus for detecting an image defect based on image data

On the basis of determination by image inspection that an image defect is generated and a predetermined condition being satisfied, an instruction unit for issuing an image diagnosis instruction is displayed on a screen of an inspection result, and image diagnosis is executed in response to an operation on the instruction unit.
Owner:CANON KK

Image forming apparatus

An image forming apparatus includes a rotary including a developing chamber, a cartridge configured to supply a developer to the developing chamber, and a tray capable of detachably supporting the cartridge. The tray includes a first opposed portion configured to be opposed to the cartridge and extend in a predetermined direction, and is disposed relative to the rotary to a first position where the cartridge is located outside the rotary and a second position where the cartridge is located inside the rotary. The predetermined direction is a detachment direction of the cartridge. With the cartridge supported by the tray, a part of the cartridge is located downstream, in the predetermined direction, of a downstream end of the first opposed portion in the predetermined direction.
Owner:CANON KK

Sheet separation device, sheet laminator, and image forming system

A sheet separation device includes a sheet separation unit, a displacement detector, a displacement adjuster, and a controller. The sheet separation unit performs a sheet separating operation and a sheet inserting operation. The displacement detector detects a displacement amount of the two-ply sheet when the two-ply sheet is displaced in a width direction of the two-ply sheet and detects a displacement amount of the inner sheet. The displacement adjuster adjusts the displacement of the two-ply sheet in the width direction before the sheet separating operation, based on the displacement amount of the two-ply sheet in the width direction detected by the displacement detector. The controller causes the displacement adjuster to adjust relative positions of the two-ply sheet and the inner sheet between the sheet separating operation and the sheet inserting operation, based on the displacement amount of the inner sheet in the width direction detected by the displacement detector.
Owner:RICOH CO LTD

Medium processing apparatus and image forming system incorporating same

A medium processing apparatus includes a conveying unit, a liquid applier, and a crimper. The conveying unit conveys a medium in a conveyance direction. The liquid applier applies liquid to the medium conveyed by the conveying unit. The liquid applier includes a presser and a liquid application member. The presser presses the medium. The liquid application member contacts and is separated from the medium while the presser presses the medium. The crimper presses and deforms a plurality of media including the medium to which the liquid is applied by the liquid applier, to crimp and bind the plurality of media.
Owner:RICOH CO LTD

Image forming apparatus

An image forming apparatus includes a rotary including a first developing chamber and a second developing chamber, a first cartridge having a first cartridge indicator and configured to supply a first developer to the first developing chamber, a second cartridge having a second cartridge indicator and configured to supply a second developer to the second developing chamber, a first tray having a first tray indicator and capable of removably supporting the first cartridge, and a second tray having a second tray indicator and capable of removably supporting the second cartridge. A hue of the first cartridge indicator is closer to a hue of the first tray indicator than to a hue of the second tray indicator, and a hue of the second cartridge indicator is closer to the hue of the second tray indicator than to the hue of the first tray indicator.
Owner:CANON KK

Container for storing powder and selenium drum

The invention relates to the technical field of printing equipment, and provides a container for storing powder and a selenium drum, the container comprises: a housing, which is internally provided with a developer storage cavity; the developing roller is arranged on the shell, can rotate around a first axis and is used for conveying the developing agent in the developing agent storage cavity to the outside of the shell; the power transmission assembly comprises a first power receiving part and a transmission part linked with the first power receiving part, the first power receiving part is provided with a joint part capable of receiving first power, and the first power comes from a rotating component with a photosensitive material surface; the stirring component comprises a connecting part which is connected with the shell and can move relative to the shell; the stirring part is arranged in the developer storage cavity; and the second power receiving part is positioned on the power transmission path of the transmission part. The problem that in the prior art, operation of a stirring frame easily affects stable rotation of other components can be solved, and the imaging process is smoother.
Owner:珠海市颂洋科技有限公司

Electrophotographic photoreceptor, process cartridge, and image forming apparatus

The invention relates to an electrophotographic photoreceptor, a process cartridge, and an image forming apparatus. The electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer of a single-layer type disposed on the conductive substrate. The photosensitive layer has an absorption coefficient of 0.008 or less at a wavelength of 1000 nm and contains a binder resin, a charge generating material, an electron transporting material, and a hole transporting material. The charge generating material is at least one selected from a hydroxygallium phthalocyanine pigment and a chlorogallium phthalocyanine pigment and is contained in an amount of 0.9% by weight or more and 1.8% by weight or less relative to the binder resin.
Owner:FUJIFILM BUSINESS INNOVATION CORP

Image-forming apparatus including operating member disposed on movable cover for opening and closing shutter of toner container

An image-forming apparatus includes: a main housing having a first opening; a process cartridge mountable in and removable from the main housing through the first opening; and a first cover movable relative to the main housing to open and close the first opening. The process cartridge includes a drum unit including a photosensitive drum; a developing unit including a developing roller; and a receptacle to which a toner container is connectable. The first cover has a second opening through which the receptacle can be exposed. The toner container includes: a discharging part connectable to the receptacle; and a container-side shutter disposed on the discharging part for opening and closing the discharging part. The first cover includes an operating member configured to move the container-side shutter of the toner container to open and close the discharging part while the toner container is connected to the receptacle.
Owner:BROTHER KOGYO KK

Heating device, fixing device, and image forming apparatus

A heating device includes: a rotator; a heater extending in a first direction to heat the rotator; a temperature detector to detect a temperature of the heater; a holder holding the temperature detector; an electric wire; and a biasing member to bias the temperature detector toward the heater via the holder in a second direction intersecting the first direction. The holder includes: a pair of supports parallel to each other in a third direction intersecting the first direction and the second direction, the pair of supports extend in the first direction; a wiring space between the pair of supports and accommodatable a part of the electric wire; and a slit between the pair of supports and communicating with the wiring space, the slit being insertable the electric wire to the wiring space.
Owner:RICOH CO LTD

Image forming apparatus

An image forming apparatus includes (i) a developing unit including a storage frame having a receiving opening, (ii) a toner cartridge including a toner frame having a discharge opening, and a toner shutter movable between a closed position to cover the discharge opening and an open position to expose the discharge opening, the toner cartridge being movable relative to the storage frame between a mounting position at which the discharge opening faces the receiving opening and a retreat position at which the toner cartridge is moved from the mounting position, and (iii) a moving device configured to move the toner cartridge from the mounting position toward the retreat position. The moving device includes a contact member configured to contact the toner cartridge, and, while the toner cartridge is moving from the retreat position to the mounting position, the contact member is separated from the toner shutter.
Owner:CANON KK

Sound diagnostic system

A sound diagnostic system includes an image forming apparatus and an information processing apparatus. The image forming apparatus includes operating portions, a sound collector for collecting a sonic wave, an acquiring portion, in each of a plurality of time sections when the sonic wave is collected by the sound collector, for acquiring a data including sonic wave level and an operating state of the operating portions. The information processing apparatus includes a generator for generating a threshold by adding a predetermined value to a first sonic wave level based on the sonic wave in a first period. The information processing apparatus determines a cause of an abnormal sound by comparing a second sonic wave level based on the sonic wave in a second period after the first period and the threshold. The predetermined value is set so as to be smaller as the first sonic wave level is larger.
Owner:CANON KK

Image forming apparatus

An image forming apparatus includes a controller which performs a continuation process in which a toner image is secondarily transferred to a back side of a sheet conveyed from a double side conveyance portion, when performing a double side print in a case in which a sheet of a feeding portion is not conveyed to a secondary transfer portion. The controller controls so that in a case of performing the continuation process, while an image formation area of the intermediary transfer belt passes through the secondary transfer portion, a predetermined voltage, which makes an outer roller be at a potential of a normal charge polarity side to an inner roller and makes an absolute value of the potential difference between the inner roller and the outer roller be less than a discharging threshold value, is applied to the secondary transfer portion.
Owner:CANON KK

Charging roller, process cartridge, image forming apparatus, and image forming method

A charging roller comprises a conductive shaft, an elastic body layer, and a surface layer. The surface layer contains a binder resin and conductive particles. The binder resin contains only a thermoplastic resin. The thermoplastic resin has a water contact angle of not less than 40° but less than 180°. The conductive particles contain first conductive particles and second conductive particles. The first conductive particles are metal oxide particles. A content of the first conductive particles in the surface layer is not less than 15.0 parts by mass but not more than 200.0 parts by mass with respect to 100.0 parts by mass of the binder resin. A particle size distribution of the conductive particles has at least one peak within a range of not less than 0.01 μm but not more than 1.00 μm.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Image forming apparatus

An image forming apparatus includes a light emitter; a photoconductor to form a latent image on a surface of the photoconductor; a deflector to deflect light at a write start timing; an optical sensor; and circuitry. The optical sensor detects the scanning light scanning, with one of multiple sensitivities. The circuitry adjusts a light intensity of the emitted light and the write start timing based on the detection signal; switches from the one of multiple sensitivities to other of multiple sensitivities or from the other of multiple sensitivities to the one of multiple sensitivities based on the light intensity adjusted; and determines whether to perform a color misregistration correction based on a shift in the write start timing caused by a switch from the one of multiple sensitivities to the other of multiple sensitivities or from the other of multiple sensitivities to the one of multiple sensitivities.
Owner:RICOH CO LTD

Sheet conveying device capable of determining whether or not stack of sheets placed on lift portion is in setting failure state, image forming apparatus, and determination method

A sheet conveying device includes a sheet supply portion, a detection portion, an acquisition processing portion, and a determination processing portion. The sheet supply portion supplies an uppermost sheet in a stack of sheets lifted by a lift portion to a conveying path. The detection portion detects the sheet supplied by the sheet supply portion on the conveying path. The acquisition processing portion acquires, when the stack of sheets is lifted by the lift portion, speed information related to a conveying speed of the sheet by the sheet supply portion using the detection portion. The determination processing portion determines whether or not the stack of sheets is in a setting failure state based on the speed information acquired by the acquisition processing portion.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Method of manufacturing electrophotographic member

A method of manufacturing an electrophotographic member includes performing a surface treatment on a surface layer forming surface of an underlayer to set a surface free energy of the surface layer forming surface of the underlayer to 30 mJ / m2 or more and 120 mJ / m2 or less; and forming a surface layer containing a polysiloxane compound having a T unit represented by Formula: [R1SiO3 / 2]m (here, in the formula, R1 represents an organic group, m represents an integer of 2 or more, and at least one R1 among the multiple R1's present in the T unit is a group including at least one of an alkyl group or an aryl group) on the surface layer forming surface of the underlayer.
Owner:FUJIFILM BUSINESS INNOVATION CORP

Conductive member, process cartridge, and image forming apparatus

ActiveCN119620566Breduce contactReduce the number of scratchesElectrographic process apparatusCorona dischargeImage formationElectrical connection
The application relates to the technical field of image forming, in particular to a conductive component, a process cartridge and an image forming device. The conductive component is arranged on the process cartridge or the image forming device. The process cartridge is detachably mounted into the body of the image forming device. The mounting direction of the process cartridge is a first direction. The conductive component comprises: a plurality of conductive pieces, the conductive pieces are used for realizing the electrical connection between the power supply piece of the image forming device and the load piece of the process cartridge, and at least one load piece comprises a roller piece; the conductive piece comprises an electric contact point, the electric contact point is used for contacting the power supply piece to access the power supply; wherein at least two of the plurality of electric contact points are arranged at intervals along a second direction; the second direction intersects with a third direction and the first direction; and the third direction is parallel to the axial direction of the roller piece. In conclusion, the technical scheme provided by the application can reduce the number of electric contact point scratches and improve the power supply stability.
Owner:ZHUHAI PANTUM ELECTRONICS CO LTD

Cleaning apparatus and image forming apparatus

The system effectively agitates foreign matter while preventing contact between the agitator and the surface of the component to be cleaned. [Solution] The cleaning device 10 includes a cleaning member 31 that cleans the surface of the member to be cleaned 11, a sealing member 32 that contacts the surface of the member to be cleaned 11, a conveying member 33 that conveys the removed foreign matter, a stirring member 34 that stirs the removed foreign matter, and a contact prevention member 36 between the cleaning member 31 and the sealing member 32 that prevents the stirring member 34 from contacting the surface of the member to be cleaned 11. The stirring member 34 has a fixing part 340 fixed to the housing 35, a first stirring part 341 that extends from the fixing part 340 via a first bending part 34c, and a second stirring part 342 that extends from the tip of the first stirring part 341 via a second bending part 34d. The bending angle θ of the second bending part 34d changes as the stirring member 34 contacts and moves in conjunction with the conveying member 33.
Owner:ETRIA CO LTD

Image forming system, control method for controlling image forming system, and storage medium

An image forming system includes a light-emitting section provided at a position visible from outside an image forming apparatus, a display section, and a control unit configured to control light emission by the light-emitting section and display by the display section based on a result of detecting a state of the image forming apparatus by a detection section, wherein the light emission by the light-emitting section includes light emission in a form according to the state, wherein the display by the display section includes display of information indicating handling according to the state, and wherein after the light emission by the light-emitting section and the display by the display section are performed, and in a case where the handling is performed, the control unit ends the light emission and the display and performs light emission by a light-emitting section different from the light-emitting section and display by the display section.
Owner:CANON KK

Charging roller, process cartridge, image forming apparatus, and image forming method

A charging roller includes a conductive shaft, an elastic body layer formed on an outer periphery of the conductive shaft, and a surface layer formed on an outer periphery of the elastic body layer. The surface layer contains a binder resin and conductive particles. The binder resin contains only a thermoplastic resin. The conductive particles contain first conductive particles and second conductive particles. The first conductive particles are carbon black particles. A particle size distribution of the conductive particles has at least one peak within a range of not less than 0.01 μm but not more than 1 μm. A water contact angle x of the thermoplastic resin and a content y of the first conductive particles in the conductive particles satisfy the following expressions: 40≤y, y≤(800 / 27)x+(280 / 9), and y≤−8x+200.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Heating device and image forming apparatus

To provide a device that, even when switching a heating element supplying power by using a contact switch, prevents emission of electromagnetic noise caused by arc discharge during operation of the contact switch, and prevents reduction in a life of the device due to contact wear.SOLUTION: A heating device has a plurality of heating elements 54b1-54b3, and comprises: the heating element 54b1; the heating element 54b2 and heating element 54b3 that have a shorter length in a longitudinal direction than the heating element 54b1; a first contact 54d1 to which one end of the heating element 54b1 is connected; a second contact 54d2 to which one end of the heating element 54b2 and one end of the heating element 54b3 are connected; a third contact 54d3 to which the other end of the heating element 54b3 is connected; a fourth contact 54d4 to which the other end of the heating element 54b1 and the other end of the heating element 54b2 are connected; and an electromagnetic relay 57a that brings an electrical path of the second contact 54d2 and the fourth contact 54d4 into a connection state or an open state.SELECTED DRAWING: Figure 8
Owner:CANON KK

Image forming apparatus that forms antibacterial region on recording material

An image forming apparatus may include a holding container that holds a toner containing an antibacterial agent, and an image forming unit that forms an antibacterial region by applying the toner supplied from the holding container to a recording material by performing an image forming process. The antibacterial region is formed on a partial region that is a partial region of a first surface of the recording material and that is likely to be touched by a user's finger
Owner:CANON KK

Image forming apparatus with antimicrobial toner

An image forming apparatus includes: a forming unit configured to form an image on a sheet by forming a plurality of toner images using a plurality of types of toner, and transfer the plurality of toner images onto the sheet, or transfer the plurality of toner images onto the sheet via an intermediate transfer member; and a controller configured to control the forming unit to form a formed image and an antimicrobial pattern on the sheet based on first image data representing the formed image, wherein at least one first toner out of the plurality of types of toner is antimicrobial toner that includes an antimicrobial agent, at least one second toner out of the plurality of types of toner is non-antimicrobial toner that does not contain the antimicrobial agent, and the antimicrobial pattern is formed using the first toner.
Owner:CANON KK