2433results about "Electrography/magnetography" patented technology

Provided is an image forming apparatus including: an image forming unit configured to form an image on a recording material; an exhaust fan configured to exhaust air inside the image forming apparatus; a CPU configured to control rotation of the exhaust fan; and a memory configured to store in advance a first control setting value for rotating the exhaust fan at a first target rotation speed. The CPU rotates the exhaust fan based on the first control setting value, and permits the image forming unit to form an image when a rotation speed of the exhaust fan becomes equal to or faster than a lower limit rotation speed for suppressing a discharge amount of UFPs. When a predetermined time period has elapsed, the CPU performs feedback control for the exhaust fan such that the exhaust fan is rotated faster than the first target rotation speed.

This invention provides a humanized monoclonal antibody that binds to advanced glycation end product (AGE) modified proteins or peptides on a cellular surface. [Solution] A humanized monoclonal antibody for advanced glycation end products, comprising at least one amino acid sequence selected from a group consisting of eight specific amino acid sequences, each with a different sequence. The antibody may be bound to a carboxymethyllysine-modified protein or peptide on a cell. The antibody can be used in a cell separation process, for example, in magnetic cell separation.

An image-forming apparatus includes a housing, a louver provided on the housing, a fan for discharging air inside the housing in a discharging direction to an outside of the housing, a duct accommodating the fan, a filter, and a first elastic member. The fan is positioned upstream of the louver in the discharging direction. The filter is positioned between the fan and the louver in the discharging direction. The first elastic member is positioned between the duct and the filter and between the fan and the filter in the discharging direction. The first elastic member is in contact with the filter and at least one of a downstream end of the duct and a downstream end of the fan in the discharging direction.

The utility model relates to the technical field of image forming, in particular to a driving head assembly, a box and image forming equipment. The driving head assembly comprises a mounting base, a first driving piece and a second driving piece, and the first driving piece and the second driving piece are oppositely mounted on the mounting base. The driving head assembly has an initial state and a working state, and in the initial state, the first driving part and the second driving part can move relative to the mounting base under the action of external force and are far away from each other in the radial direction of the driving head assembly, so that the driving head assembly is switched to the working state from the initial state. The driving diameter of the driving head assembly is increased, so that the driving force of the image forming equipment is reduced, the service life of the driving head assembly is prolonged, and the working stability of the image forming equipment is improved.

The utility model discloses a heating lamp tube filament for a copying machine, which comprises a lug frame, a lamp tube cover, a lamp tube and an electric heating wire, the electric heating wire is wound on the outer side of the lamp tube, the lamp tube is arranged in the lamp tube cover, two ends of the lamp tube cover are provided with lock heads, the end parts of the lock heads are provided with outer joints, and the outer joints are connected with the lamp tube cover. A lug frame is arranged at the end of the outer connector through a limiting lug, and the lug frame is used for being connected with an inner frame of the copying machine. The electric heating wire is wound on the outer side of the lamp tube, the lamp tube can be subjected to temperature rise control through the electric heating wire, the lamp tube can be used for lighting, heating and lighting can be controlled at the same time, functionality is improved, the lamp tube cover is arranged on the outer side of the lamp tube, explosion-proof protection can be achieved through the lamp tube cover, and use safety of the lamp tube can be improved. Lock heads are arranged at the two ends of the lamp tube cover, the lock heads can be manually screwed and controlled and are convenient to disassemble, outer connectors are arranged at the ends of the lock heads, pin holes are formed in ports of the outer connectors, and the outer connectors can be assembled with plug pins at the ends of the power connection heads in an embedded mode through the pin holes.

Disclosed in the present invention is a process cartridge, comprising: a photoconductor drum, wherein an electrostatic latent image can be formed on the photoconductor drum; a developer accommodating chamber for accommodating a developer therein; a rotatable developer roller, wherein the axial direction of the developer roller extends in the length direction, and the developer roller is configured to transfer the developer to the photoconductor drum to develop the electrostatic latent image on the photoconductor drum; a rotatable toner supply roller, wherein the axial direction of the toner supply roller extends in the length direction, and the toner supply roller is in contact with the developer roller to supply the developer to the developer roller; a developing chamber, wherein the developer roller is located in the developing chamber, and when the process cartridge is mounted to an electronic imaging device, the developing chamber is located above the developer accommodating chamber; and a developing coupling which receives a driving force to enable the developer roller and the toner supply roller to rotate, and when the developer roller and the toner supply roller are driven to rotate, the peripheral speed of the surface of the toner supply roller is smaller than or equal to the peripheral speed of the surface of the developer roller. The solution ensures stable driving of the developer roller, the toner supply roller, etc., in a developing unit.

The invention discloses a processing box which comprises a box body, a photosensitive drum, a developing roller, a hub, a power receiving unit, a developing roller gear and a cantilever, the photosensitive drum and the developing roller are rotatably arranged in the box body, the hub is arranged at one end of the photosensitive drum, and a gear part is arranged on the outer circumference of the hub; the power receiving unit is arranged at one end of the box body and used for receiving rotating driving force and transmitting the rotating driving force to the hub to enable the hub to rotate, the developing roller gear is arranged at one end of the developing roller and used for being meshed with a gear part of the hub, and the cantilever is fixedly arranged at the box body and located at the same end of the box body with the power receiving unit; and in the axial direction of the photosensitive drum, the cantilever is positioned on the outer side of the power receiving unit. According to the processing box, the contact meshing process of the photosensitive drum or the developing roller of the processing box and the driving unit of the electronic imaging device can be smoother, the contact meshing time of the photosensitive drum or the developing roller and the driving unit is greatly saved, and the working efficiency of the processing box is improved.

To prevent the occurrence of unintended additional charging when executing printing based on a hold printing job.SOLUTION: When the number of printed pages of the received held print job is equal to or less than the number of remaining printable pages not requiring additional charging, the image forming apparatus stores the held print job and subtracts the number of printed pages of the held print job from the number of remaining printable pages not requiring additional charging, the image forming apparatus includes a first control unit configured to perform control to execute printing based on the stored held print job when execution of the stored held print job is instructed within a first period, and a second control unit configured to perform control to display that the number of print pages of the received print job is not equal to or less than the number of remaining printable pages that do not require additional charging.SELECTED DRAWING: Figure 8

An electrophotographic photosensitive member includes a surface layer containing a binder resin and an inorganic particle. A value of a ratio of a volume of the inorganic particle to a volume of the binder resin in the surface layer is 1.0 or more and 4.0 or less. The binder resin is a polymerization product of a composition containing a polymerizable monomer having a polymerizable functional group. The composition contains a (meth)acrylic monomer having 6 or more polymerizable functional groups. The (meth)acrylic monomer has a molecular weight of 540 or more and 1,300 or less. A content of the (meth)acrylic monomer in the composition is 40 mol % or more with respect to a total molar number of the polymerizable monomer in the composition. A surface of the surface layer has an arithmetic average roughness Rz of 150 nm or more and 400 nm or less.

A process cartridge having: a photosensitive drum; a drum unit comprising the photosensitive drum; a developing roller configured to deposit toner on the photosensitive drum; a developing unit comprising the developing roller; an elastic component; a retaining component. The elastic component is configured to bias the developing unit, from developing position to separation position. When the developing unit is in the separation position and a first coupling member rotates, the retaining component is configured to move in response to rotation of the first coupling member, thereby causing a protrusion to disengage from a abutment part to allow the developing unit to move from the separation position to the developing position.

Method of generating a copy detection pattern (CDP), or a portion of a CDP, for printing on a substrate, comprising: generating a plurality of digital files, each of an image comprising an at least partially random two dimensional (2D) distribution of dark and light pixels, and applying an optimization process configured to increase a copy detection performance of a resultant digital file output by the method, said optimization process comprising a) comparing a copy detection performance of a first of said plurality of digital files, which constitutes a test digital file, with a copy detection performance of another of said plurality of digital files modified with respect to said test digital file, which constitutes a modified digital file, b) replacing the test digital file with said modified digital file, if the copy detection performance of said modified digital file is greater than the copy detection performance of the test digital file, in which case the modified digital file becomes the test digital file, and c) repeating steps a) and b) until a termination condition is met.

A developing cartridge and a drum assembly wherein the developing cartridge comprises: a cartridge body for storing a developer; the developing roller is rotatably arranged on the box body in the first direction, and in the second direction, the developing roller is closer to the third end than the fourth end; the power receiving part is located at the first end of the box body, and the power receiving part is used for receiving power output by the image forming device; the second chip frame is arranged at the first end of the box body; the second chip is used for storing information of the developing box; a second electrical contact surface, the second electrical contact surface is electrically connected with the chip, and the second electrical contact surface is detachably arranged on the second chip frame; when the developing box is mounted on the drum assembly, the forcible pushing assembly enables the developing roller and the photosensitive drum to have acting force facing each other so as to be attached to each other; and the electrode is used for supplying power to the developing roller, and the electrode is positioned at the second end.

A developing device includes a developer bearer, a developer container, a supply rotator, and a layer thickness regulator. The developer bearer is rotatable in a first direction to supply developer to a latent image bearer. The developer container contains the developer to be supplied to the developer bearer. The supply rotator supplies the developer in the developer container to the developer bearer at a contact position at which the supply rotator contacts the developer bearer. The layer thickness regulator forms a layer of the developer having a regulated thickness on the developer bearer. The developer bearer collects residual toner from the latent image bearer. The supply rotator rotates in a second direction opposite the first direction of the developer bearer at the contact position. The supply rotator has a surface of a foam layer including a single foam cell having a diameter smaller than 300 μm.

A cleaning blade includes a blade substrate, a blade support, and a coating layer. The blade substrate includes an elastic body having a tip portion to be in contact with a surface of an object to clean the surface of the object. The blade support supports the blade substrate. The coating layer coats at least the tip portion of the elastic body to form a tip ridge in contact with the surface of the object. The coating layer has a developed interfacial area ratio (Sdr) of 1.2% or more and 1.8% or less in a 100 μm square region inward from the tip ridge of the coating layer on the blade substrate.

To provide an electrophotographic photoreceptor, an image forming apparatus, and an image forming method that can improve image quality and prevent a change in image density in continuous printing.SOLUTION: An electrophotographic photoreceptor of the present invention is an electrophotographic photoreceptor in which at least a photosensitive layer and a surface protective layer are sequentially laminated on a conductive substrate. The surface protective layer contains metallic oxide fine particles containing Ti atoms and second atoms that are metal atoms or semi-metal atoms other than the Ti atoms. When the average value of the equivalent circle diameters of cross sections of the metallic oxide fine particles appearing on a cross section of the surface protective layer is defined as A, and the standard deviation value of the equivalent circle diameters as B, a coefficient of variation (B / A) is within a range of 0.12-0.35.SELECTED DRAWING: Figure 1

To provide an image inspection device, an image inspection method, and an image inspection program with which it is possible to detect an image defect even when the image defect is not only in a non-variable area but also in a variable area.SOLUTION: An image inspection device 300 has an image forming unit 330, a reference image creation unit 380, and an image inspection unit 350. The image forming unit 330 forms an image on a recording medium on the basis of image data. The reference image creation unit 380 creates a reference image used for inspection of the image formed on the recording medium on the basis of the image data. The image inspection unit 350 conducts inspection of the image formed on the recording medium on the basis of the reference image. The reference image creation unit 380 creates the reference image to be compared with a read image for which the image inspection unit 350 conducts inspection, for images on a page including a non-variable area in which the image forming unit 330 forms the same image on a plurality of pages and a variable area in which the image forming unit forms different images on respective pages.SELECTED DRAWING: Figure 2

To provide an inspection device which can make proper measures according to a type of a failure of a printed matter, and to provide an image formation system and an inspection program.SOLUTION: An inspection device is an inspection device of printed matters whose images are output by an image formation part. The inspection device includes: an inspection part which inspects a failure of each printed matter based on a reading result of the printed matter; and a switch part which switches control of the image formation part according to a type of the failure inspected by the inspection part.SELECTED DRAWING: Figure 2

The utility model provides the spiral powder feeding waste powder box with a stable structure. The conveying device comprises a box body, a spiral conveying rod and a driving gear, the spiral conveying rod is transversely arranged in the box body and fixedly connected with the driving gear arranged at one end of the box body, the box body comprises a bottom box and a box cover, a first limiting plate is arranged on the bottom box, a plurality of second limiting plates and a plurality of third limiting plates are arranged on the box cover, and the first limiting plate and the second limiting plate are arranged on the box cover. After the bottom box and the box cover are combined, the first limiting plate is arranged under the spiral conveying rod, the second limiting plate and the third limiting plate are arranged on the two sides over the spiral conveying rod respectively, and a gap is reserved between the third limiting plate and the spiral conveying rod. The utility model relates to the technical field of printer equipment.

To shorten time required for processing from generation of a reference image to image inspection.SOLUTION: An image inspection device includes: a reference image generation unit 311 that generates a reference image used for inspection of an image formed on a recording medium; an image inspection unit 312 that inspects the image formed on the recording medium based on the reference image; and a reception unit 116 that receives inspection region designation information that is designation of an inspection region to be inspected by the image inspection unit 312 and / or designation of an inspection exclusion region not to be inspected, where the reception unit 116 receives the designation before generation of the reference image by the reference image generation unit 311 is completed.SELECTED DRAWING: Figure 2

An image forming apparatus includes a human sensor, a microphone, a receiver, and a controller. In a case where an approaching person is detected by the human sensor when the image forming apparatus is in a power saving state, the controller brings the microphone into a state where a voice input is possible, releases operation mechanisms necessary to execute functions associated with content indicated by a voice instruction received by the receiver from a power saving state and brings the operation mechanisms into an ordinary operation state, and causes operation mechanisms necessary to execute functions that are not associated with the content indicated by the voice instruction to be maintained in the power saving state.

A process cartridge includes a drum unit and a developing unit. The drum unit includes a swing support portion. The developing unit includes a swing supported portion supported by the swing support portion. A first and second contacts for the developing roller and a process member to receive power supply from outside respectively are provided on an end surface of the process cartridge. One of the swing support portion and the swing supported portion is an elongated hole having a longitudinal direction in a first direction, and the other is a protruding portion that engages with the elongated hole. The first and second contacts are arranged on an imaginary line extending in a second direction perpendicular to the first direction. The first contact and the second contact have a width that is greater in the first direction than in the second direction.

To provide an image forming apparatus that can easily detect displacement of a member in a plurality of directions.SOLUTION: An image forming apparatus according to the present invention comprises: a deflector that deflects a first light beam from a first light source and scans a first surface to be scanned in a main scanning direction; a first image forming optical system that guides the first light beam deflected by the deflector to the first surface to be scanned; a first reflection optical element that reflects the first light beam deflected by the deflector and not reaching the first surface to be scanned; a first light receiving element that receives the first light beam reflected by the first reflection optical element; a first light blocking member that blocks part of the first light beam incident on the first reflection optical element; a second light blocking member that blocks part of the first light beam reflected by the first reflection optical element; a first holding member that holds one of the first and second light blocking members and the first reflection optical element; and a second holding member that holds the other of the first and second light blocking members.SELECTED DRAWING: Figure 2

To provide a connector connection device with a simple structure that can reduce connector wear. [Solution] The connector connection device has a main body-side connector 42 provided on the main body housing 41 that is connected to a unit-side connector 62 provided on the unit housing 61. The main body-side connector 42 has a main body-side flange portion 43 and a shaft member (inclined shaft 51) that is inserted through a main body-side insertion hole 43a provided on the main body-side flange portion 43 and fixed to the main body housing 41. The main body-side flange portion 43 slides in the insertion direction S along the shaft member, and when connected to the unit-side connector 62, the main body-side connector 42 swings in a direction different from the insertion direction S.

To provide a process cartridge capable of moving a developing roller to a contact position and a separate position with respect to a photoconductor drum, in which a contact member is located in a reduced space.SOLUTION: A process cartridge comprises: a drum unit having a swinging support part; and a developing unit having a swinging supported part which is supported by the swinging support part of the drum unit so as to enable the developing roller to swing between a first position and a second position more apart from the photoconductor drum than the first position. A first contact and a second contact for the developing roller and a process member to receive electric power supply from the outside are provided on an edge face of the process cartridge in the direction of the axis of rotation. When seen in the direction of the axis of rotation, one of the swinging support part and the swinging supported part is a long hole the longer direction of which is a first direction, and the other of these is a protrusion engaging with the long hole. The first and the second contacts are arranged so as to lie on a virtual line extending in a second direction orthogonal to the first direction when seen in the direction of the axis of rotation, the first direction having a larger width than the second direction.SELECTED DRAWING: Figure 1

A paper transport device includes: a paper transport path on which paper is transported; and a side cover that is rotatable about a support shaft with respect to a side surface of a device main body and is capable of being disposed at a closed position and an open position, in which the side cover is configured to form at least a part of the paper transport path between the side cover and the device main body at the closed position and to expose at least a part of the paper transport path at the open position, the side cover includes an exterior cover and an internal structure disposed on a device main body side of the exterior cover, the internal structure of the side cover includes a pair of frames disposed at an interval in a lateral direction in which the support shaft of the side cover extends, each of the pair of frames extends in a longitudinal direction intersecting the lateral direction, is fastened to the exterior cover, and includes a proximal end close to the support shaft of the side cover and a distal end far from the support shaft, the internal structure of the side cover includes a connecting member that connects the distal ends of the pair of frames to each other and extends in the lateral direction, and the connecting member includes an extending portion that extends outward in the longitudinal direction with respect to the distal end of each of the pair of frames.