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12070results about "Electrographic process apparatus" patented technology

Image forming apparatus

An image forming apparatus includes: a fixing chute located upstream of a fixing device in a sheet conveying direction; a fixing guide opposing the fixing chute and including a guide conveying surface; and a fixing shutter opposing the fixing chute and configured to move between a closed position and an opened position. In a state in which the fixing shutter is positioned at the opened position, a shutter conveying surface of the fixing shutter is inclined in a direction approaching the fixing chute toward a downstream side in a sheet conveying direction such that an end portion of the shutter conveying surface on the downstream side is located closer to the fixing chute than an end portion of the guide conveying surface on an upstream side in the sheet conveying direction.
Owner:BROTHER KOGYO KK

Image-forming apparatus including link connected to shutter of fixing device and positioned between fan and circuit board

An image-forming apparatus includes a housing, a fixing device, a shutter, a link, a circuit board, and a fan. The fixing device includes a heating unit and is configured to thermally fix a toner image to a sheet conveyed in a conveying direction. The shutter is movable relative to the fixing device between a closing position for closing an upstream end of the heating unit in the conveying direction and an opening position for exposing the upstream end of the heating unit. The link is connected to the shutter, and is configured to abut on a cartridge, which is detachably attachable to the housing, to move the shutter between the closing position and the opening position. The circuit board and the fan are spaced apart from each other to provide an airflow path through which air flows. The link is positioned between the circuit board and the fan.
Owner:BROTHER KOGYO KK

Image-forming apparatus including link configured to abut on cartridge for moving shutter of fixing device and electrical contact positioned on opposite side from the link with respect to attached cartridge, and cartridge therefor

An image-forming apparatus includes a housing, a cartridge, a fixing device, a shutter, a link connected to the shutter, and an electrical contact. The fixing device includes a heating unit. The shutter is movable between a closing position for covering an upstream end of the heating unit in a sheet conveying direction and an opening position for uncovering the upstream end of the heating unit. The link is provided on the housing and is configured to abut on the cartridge to move the shutter between the closing position and the opening position. The electrical contact is provided on the housing and contacts an electrical contact surface of a memory of the cartridge attached to the housing. In the housing, the link and the electrical contact are positioned on opposite sides of a center line of the attached cartridge in a widthwise direction orthogonal to an attachment / detachment direction of the cartridge.
Owner:BROTHER KOGYO KK

Image forming system with pressure-bonding of folded recording material

An image forming system includes an image forming unit for forming a first toner image and a second toner image on a first surface and a second surface of a recording medium by using toner containing wax; a pressure-bonding unit for pressure-bonding the recording medium folded in two by applying heat and pressure to the recording medium, an inner surface of the recording medium folded in two being pressure-bonded via an adhesive medium, one of the first surface and the second surface being the inner surface of the recording medium folded in two, the pressure-bonding unit pressure-bonding the recording medium folded in two via an adhesive member; and a control unit for determining an image forming order so that an image is formed on an outer surface of the recording medium folded in two, and then on the inner surface of the recording medium folded in two.
Owner:CANON KK

Medium processing apparatus and image forming system incorporating same

A medium processing apparatus includes a liquid applier, a post-processing device, and circuitry. The liquid applier includes a liquid application member that applies liquid to a part of a medium, the medium being at least one medium. The post-processing device binds a bundle of media including the medium to which the liquid is applied by the liquid applier. The circuitry changes, according to a binding condition for the post-processing device, at least one of an amount of movement of the liquid application member toward the medium or a contact time during which the liquid application member is in contact with the medium.
Owner:RICOH CO LTD

Image forming apparatus

An image forming apparatus includes a conveyance unit, a transfer unit, a fixing unit, a detection unit configured to detect a deflection amount of the sheet, and a control unit configured to control a conveyance speed of the sheet by the fixing unit based on a detection result of the detection unit. The control unit is configured to perform a mode that performs, during a time when a single sheet is being nipped by the conveyance unit, the transfer unit, and the fixing unit, a first process of controlling the conveyance speed of the sheet by the fixing unit such that the deflection amount becomes a first deflection amount, and a second process, performed after the first process, of controlling the conveyance speed of the sheet by the fixing unit such that the deflection amount becomes a second deflection amount smaller than the first deflection amount.
Owner:CANON KK

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

Booklet creating apparatus and image forming system

A booklet creating apparatus includes a heating-and-pressing unit and a controller. The heating-and-pressing unit heats and presses adhesive layer in a state in which plural sheets, with the adhesive layer formed thereon, are stacked. The controller performs control in such a way as to make a predetermined temperature and / or pressure lower when heating and pressing sheets of minimum size than when heating and pressing sheets of maximum size.
Owner:CANON KK

Image forming apparatus

An image forming apparatus includes a body frame, a cartridge movable to an attached position and a retracted position, a moving device configured to move the cartridge, a driving device configured to drive the moving device and to perform a first operation of driving the moving device to move the cartridge from the attached position toward the retracted position and a second operation of driving the moving device to move the cartridge from the retracted position toward the attached position, and a controller configured to control the driving device and to cause the driving device to perform the first operation in a case where the cartridge has not reached the attached position even after elapse of a predetermined time since the driving device is caused to start the second operation.
Owner:CANON KK

Medium processing apparatus and image forming system incorporating same

A medium processing apparatus includes a conveyor, a liquid applier, and a crimper. The conveyor conveys a medium. The liquid applier applies liquid to the medium conveyed by the conveyor. The crimper presses and deforms a medium bundle including at least one medium to which the liquid is applied by the liquid applier, to bind the medium bundle. The liquid applier selectively performs application of the liquid to all media constituting the medium bundle or application of the liquid to only some of the media constituting the medium bundle, based on a conveyance interval at which the media are conveyed by the conveyor.
Owner:RICOH CO LTD

Static elimination apparatus and image forming system

A static elimination apparatus includes a conveyance unit configured to convey a sheet along a conveyance path, a non-contact static elimination unit arranged above the conveyance path and configured to eliminate static electricity from the sheet in a non-contact state, an upper side guide member arranged to face an upper surface of the sheet and configured to form part of the conveyance path, a lower side guide member arranged to face a lower surface of the sheet and configured to form the conveyance path together with the upper side guide member, a lower side unit in which the lower side guide member is arranged, and an upper side unit in which the non-contact static elimination unit is arranged and that is configured to be rotated upward with respect to the lower side unit to make at least part of the conveyance path exposed.
Owner:CANON KK

Image forming apparatus

An image forming apparatus includes an image bearing member, a rotary including a developing chamber and a developing member, and a toner cartridge. The developing chamber includes a partition wall for partitioning the developing chamber into a first region including the developing member and a second region. The toner is supplied from the toner cartridge to the developing chamber by communication between a receiving opening provided in the developing chamber and a discharge opening provided in the toner cartridge. The toner accommodated in the toner cartridge and the toner accommodated in the first region are moved to the second region by rotation of the rotary and then are mixed in the second region.
Owner:CANON KK

Cartridge, image forming apparatus, developing apparatus, and toner cartridge

A cartridge is provided that includes a first accommodating portion configured to accommodate toner, a first rotation shaft configured to be rotatable about a first rotation axis line, a first flexible member fixed to the first rotation shaft, a first magnetized member provided on the first flexible member, a second accommodating portion configured to accommodate toner to be supplied to the first accommodating portion and being aligned with the first accommodating portion in a first direction, a second rotation shaft configured to be rotatable about a second rotation axis line, a second flexible member fixed to the second rotation shaft, a second magnetized member provided on the second flexible member, and a magnetism sensing sensor provided between the first rotation axis line and the second rotation axis line in the first direction, and configured to sense magnetism in a sensing-capable range.
Owner:CANON KK

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

Image forming apparatus

An image forming apparatus includes an apparatus body, a support member to which a cartridge is detachably attached and which is movable, a detection portion configured to output a signal and configured such that the signal changes in a case where the support member on which the cartridge is supported is moved from the second position toward the first position, a drive source configured to move the support member, and a controller configured to, in a case where the support member at the second position and not being moved by the drive source is moved toward the first position and the signal changes, cause the drive source to move the support member toward the first position.
Owner:CANON KK

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

Printing system, static elimination apparatus, method for controlling printing system, and storage medium

A method for controlling a printing system including a printing apparatus configured to execute a printing process on a sheet, and a static elimination apparatus configured to perform a static elimination process on the sheet printed by the printing apparatus, includes switching, depending on a printing surface of the sheet printed by the printing apparatus, a polarity of a voltage to be applied to a first static elimination unit provided on an upper surface side of the sheet printed by the printing apparatus to positive or negative, and switching, depending on the printing surface of the sheet printed by the printing apparatus, a polarity of a voltage to be applied to a second static elimination unit provided on a lower surface side of the sheet printed by the printing apparatus to positive or negative.
Owner:CANON KK

Developing box and drum assembly

The developing box can be detachably combined with the drum assembly provided with a photosensitive drum and a photosensitive gear to form a processing box, the photosensitive gear is arranged at the end of the photosensitive drum, the photosensitive drum and the photosensitive gear rotate together, the processing box is detachably installed on an image forming device, and the developing box comprises a box body, a driving device and a driving device, a developing roller that rotates about an axis extending in a first direction; the detected piece is located at the second end and used for triggering a detection piece of the image forming device; the storage medium is used for storing information of the developing box; the electric contact surface is positioned at the first end and is electrically connected with the storage medium; and the power receiving part receives the power transmitted from the drum assembly to rotate and is used for driving at least one of the developing roller and the detected part to move. The developing box disclosed by the utility model transmits power from the drum assembly to the developing box through the power receiving piece, so that the structure is simplified, and the production cost is reduced.
Owner:ZHUHAI NINESTAR INFORMATION TECH CO LTD

Image forming apparatus having a rotary and detachable toner cartridges

An image forming apparatus includes a rotary including a developing roller, and a storage frame including a storage chamber to store toner to be supplied to the developing roller and an inlet opening communicating with the storage portion. In addition, a body frame has an opening and accommodates the rotary, and a toner cartridge includes a toner frame including a toner storage hollow storing the toner and a discharge opening communicating with the toner storage hollow and is attachable to the rotary through the opening. The toner is supplied from the toner storage hollow to the storage chamber in a state in which the toner cartridge is at the attached position. A moving assembly driven by a driver moves the moving assembly to move the toner cartridge from the attached position to a retracted position and moves the toner cartridge from the retracted position to the attached position.
Owner:CANON KK

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus and method

An electrostatic charge image developing toner, an electrostatic charge image developer, a toner cartridge, a process cartridge, an image forming apparatus, and an image forming method, the electrostatic charge image developing toner having toner particles containing an amorphous polyester resin, a crystalline polyester resin, and cross-linked resin particles, the internal cross-linked resin particles are styrene-(meth) acrylic copolymer particles and have an average dispersion diameter of 100 nm or more and 300 nm or less, and when a 3 [mu] m * 3 [mu] m square region of 600 [pix] 600 [pix] is divided into n * n in a cross-sectional view of the toner particles, the average dispersion diameter of the internal cross-linked resin particles is 1 [mu] m or less, and the average dispersion diameter of the internal cross-linked resin particles is 1 [mu] m or less. When DAR (n) is the coefficient of variation of the area ratio of the added cross-linked resin particles with respect to the area of the divided regions in the n * n divided regions, and slopeF (16) is the slope of an approximate straight line in a dispersion plot plotted by changing n to 3, 4, 6, 8, 12, and 16 with log [1 / n] as the X axis and log [DAR (n)] as the Y axis, formula (1) is satisfied: 0.6 < = slopeF (16).
Owner:FUJIFILM BUSINESS INNOVATION CORP