169results 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.

The optimal replacement timing for consumable parts is set for each user. [Solution] The image forming apparatus includes a replaceable toner container 101 and a controller 109 that changes a lifespan calculation algorithm for calculating the lifespan when the toner container 101 is replaced according to the timing estimated from its lifespan.

The utility model discloses a dehumidification waste powder bin structure, including waste powder bin, scraper and drum core, the waste powder bin is provided with the powder storage chamber and dehumidification chamber, the drum core sets up on the waste powder bin and sets up in the opening position close to the powder storage chamber, the scraper sets up on the waste powder bin and is pasted with the drum core, the scraper is used for cleaning the carbon powder remaining on the drum core surface when the drum core rotates, the dehumidification chamber is used for placing the dehumidification piece, and the dehumidification chamber is provided with the opening communicating with the outside. The dehumidification chamber provided with the waste powder bin can place the dehumidification piece, and the opening communicating with the outside design can make the whole selenium drum interior and the dehumidifier interior communicate, make the air interflow, thereby the dehumidification piece can continuously absorb the moisture in the whole selenium drum interior, and effectively prevent the accessory from being affected by damp and printing effect.

The photoreceptor is driven appropriately. [Solution] The image forming apparatus 1 comprises a photoreceptor 32, a drive motor 37 capable of rotating the photoreceptor 32, and a control unit 97. The control unit 97 detects the rotational torque of the photoreceptor 32 and determines whether the rotational torque is greater than a first threshold Th1. If the control unit 97 determines that the rotational torque is greater than the first threshold Th1, it performs torque reduction control to reduce the rotational torque.

To provide an image forming system capable of adjusting image intervals within the same job.SOLUTION: An image forming system comprises: an image forming unit that forms images on consecutive recording materials based on an image forming job; and a control unit that accepts settings for intervals between multiple images to be formed on the recording materials in the image forming job, and controls image forming operation of the image forming unit on the basis of the set intervals.SELECTED DRAWING: Figure 5

To provide an image forming device configured to enable a cable to be stored thereon while preventing the cable from interfering with movement of an operation, even though a sufficient extra length is secured in the cable.SOLUTION: An image forming device is provided with a cable support part (112) that forms a space between a top surface 1a of a housing 500A and the part so that a cable extra length part 90a of a signal cable 90 can be housed in the housing 500A. The cable support part (112) supports the cable extra length part 90a housed in the space from below in a vertical direction. A fixture auxiliary member 91 is attached to the signal cable 90 in advance. When an operating part 80 is installed at an installation position, the fixing auxiliary member 91 is fixed to a fixing part 92. A length of the cable extra length part 90a supported on a support surface 112a, of entire lengths of the signal cable 90, varies in accordance with the installation position of the operating part. This enables an extra length part of the signal cable 90 to be housed in the housing 500A even though a sufficient extra length is secured in the signal cable 90, so that signal cable 90 does not interfere.SELECTED DRAWING: Figure 8

A separate server was needed for PIN generation, distinct from the image forming apparatus. [Solution] The image forming apparatus comprises a generation unit that generates authentication information, a transmission unit that transmits the authentication information to a terminal device, a reception unit that receives input authentication information input to the user interface unit of the image forming apparatus, and an authentication unit that performs user authentication based on the input authentication information and the authentication information.

To provide a technique that prevents electrification voltage from becoming excessive even when an image forming apparatus performs a determination as to whether cleaning of electrifying wires is executed.SOLUTION: When an ASIC 61 determines whether electrifying wires 42Y, 42M, 42C are cleaned after an abnormal discharge detection circuit 78 detects abnormal discharge during image formation, the ASIC performs constant voltage control of an electrification voltage generation circuit 70 to generate a predetermined electrification voltage value within a voltage range in which abnormal discharge does not occur in each of a plurality of electrifiers 41Y, 41M, 41C, and executes wire cleaning determination processing of determining whether the electrifying wires 42Y, 42M, 42C are cleaned based on grid currents Ig1 to Ig3 detected by a plurality of grid current detection circuits 82Y, 82M, 82C.SELECTED DRAWING: Figure 6

To reduce a processing load of an apparatus and a work load of a user when processing for adjustment of an image formation apparatus and processing for diagnosis of the image formation apparatus are performed at mutually-different timing.SOLUTION: In each image formation apparatus 100, generation of a chart sheet CP is performed, reading of the chart sheet CP is performed and adjustment of an image formation unit 100A is performed. In each image formation apparatus 100, generation of the chart sheet CP and reading of the chart sheet CP are formed, for example, for each predetermined specific period like everyday, and adjustment of the image formation unit 100A is performed. In a case of daily adjustment, read image data is transmitted to a server device 200.SELECTED DRAWING: Figure 1

To efficiently recover powder into a space in a container.SOLUTION: A powder recovery container is provided with a contain body 31 into which waste toner T (powder) flowing in from a recovery port 31c is recovered, and a conveying screw 32 having a screw part 32b wound around a shaft part 32a extending in an axial direction, driven to rotate in a predetermined direction, and conveying the waste toner T flowing into the container body 31 toward an end in the axial direction. The conveying screw 32 is provided with at least one non-screw part W around which the screw part is not wound, at a position of the shaft part 32a between the recovery port 31c and the end in the axial direction.SELECTED DRAWING: Figure 3

The objective is to provide an image forming apparatus and program that can reduce the likelihood of forgetting to configure settings. [Solution] The image forming apparatus of the embodiment comprises a memory in which a program is stored, and a processor that performs processing by executing the program stored in the memory. The processing includes displaying a settings screen having multiple setting items, accepting the setting of multiple setting items, starting image forming processing with the settings of multiple setting items based on the operation of an execution key, accepting an operation to cancel the image forming processing after the start of the image forming processing, retaining information of the setting items that have been changed relative to the previous settings when the settings are changed after the operation to cancel the image forming processing is accepted and image forming processing is started with the changed settings, and highlighting the display corresponding to the changed setting items on the displayed settings screen.

The present invention provides a fault location identification device, an image forming apparatus, a fault location identification method, and a fault location identification program that can easily and quickly identify the fault location causing streaks in FDs without replacing parts, while reducing the number of waste papers. [Solution] The system comprises an image processing unit 18 that performs predetermined image processing on input image data to form image data for printing, an image forming unit 40 that forms an image, which is a toner image, on paper based on the image data, a reading unit (second paper reading unit 50) that reads the output paper transported from the image forming unit 40, and a control unit 11 that can set multiple image forming modes that differ in the components that contribute to image formation. The control unit 11 forms an image on the same paper using the set multiple image forming modes, and identifies a faulty component that generates an abnormal image among the components based on the image read by the reading unit for the image formed on the same paper.

The utility model discloses a kind of processing boxes, including the photosensitive unit with waste powder discharge passage and the carbon powder container with waste powder storage part, waste powder storage part has waste powder inlet, waste powder in photosensitive unit can be into waste powder storage part via waste powder discharge passage and waste powder inlet;Waste powder discharge part, it is set to reciprocatingly move in waste powder discharge passage, and then waste powder is discharged from waste powder discharge passage to the waste powder inlet of waste powder storage part;Compared with prior art, the utility model uses the waste powder discharge part that can reciprocate, transmission is carried out by intermittent pushing developer, avoid persistent friction and compression developer, to avoid the situation that developer appears local accumulation or caking, to realize the continuous stable output of developer.

Factors other than component wear may affect the results of wear detection. [Solution] An image forming system comprising an image forming apparatus and an information processing apparatus capable of communicating with both a display device and the image forming apparatus, wherein the image forming apparatus comprises an image carrier that carries a developer image, a transfer unit that transfers the developer image carried on the image carrier to a recording material, a rotating unit provided upstream of the transfer unit in the transport direction in which the recording material is transported, the rotating unit is configured to take an initial position that allows it to contact the recording material and to transition from the initial position to a detected position when pressed by the recording material, and a recording material detection unit that does not detect the rotating unit in the initial position but detects the rotating unit that has transitioned to a detected position, wherein if the time from when the recording material detection unit detects the rotating unit until it stops detecting the rotating unit is shorter than a predetermined time, the information processing apparatus communicates with the display device so that the display device displays information regarding wear of the rotating unit.

The aim is to reduce the effort required for users to identify sheet information that needs to be checked after the sheet information has been updated. [Solution] In order to solve the above problems, the sheet information storage device of the present invention is characterized by comprising: a storage means for storing sheet information; an addition means for adding setting items and default setting values ​​for the setting items to the sheet information stored in the storage means; a notification means for notifying the user of sheet information for which the default setting values ​​added by the addition means should be confirmed, based on other setting values ​​for other setting items in the sheet information stored in the storage means before the default setting values ​​were added by the addition means; and a receiving means for receiving changes to the default setting values ​​added by the addition means from the user.

The goal is to ensure that, while maintaining the convenience of an image forming system shared by multiple users, each user can reliably obtain the output results that match the specifications of the jobs they request via remote operation. [Solution] The terminal-side display unit 221 of the electronic terminal 2 displays an operation screen for remotely operating the image forming apparatus 1, and the terminal-side input receiving unit 22 receives input from the user for setting a reserved job to be executed by the image forming apparatus 1. Once the reserved job setting is complete, the terminal-side communication unit 24 transmits the reserved job to the image forming apparatus 1. When the image forming apparatus 1 receives the reserved job, it stores it in the storage unit 16. The operation unit 12 does not accept changes to the reserved job settings received from the electronic terminal 2.

This disclosure aims to provide an image forming apparatus that makes it easier for users to understand the status of the apparatus when performing input operations. [Solution] The image forming apparatus 1 comprises an image forming unit 4, a paper output tray 7, an operation panel 20, a power button 23, and a housing 8. The operation panel 20 has a touch panel 21 and an indicator lamp 22. The indicator lamp 22 has a horizontally elongated shape and is positioned on the lower part of the operation panel 20 along the lower edge 21a of the touch panel 21. The power button 23 is positioned below the paper output tray 7 Z2, on the upper part 9a of the housing front 9, which is the front side of the housing 8, above the midpoint in the vertical direction Z, and is located in a position that overlaps with the range of the indicator lamp 22 in the left-right direction X in the vertical direction Z.

The objective is to appropriately determine whether or not to perform tilt correction and to prevent image distortion caused by tilt correction. [Solution] The system includes a tilt detection unit that detects the tilt of a transported object based on an image read from the object, and a tilt correction unit that corrects the image based on the tilt of the object. The tilt correction unit determines whether or not to correct the image based on the width of the object in a direction perpendicular to the transport direction of the object and the width of an object guide that guides the transport of the object.

A blade for electrophotography includes an elastic body including a contact portion contacting a surface of an image bearer. The contact portion is made of a polyurethane elastomer containing a reaction product of polytetramethylene ether glycol, aromatic isocyanate, and amine and has a Martens hardness of 5.0 N / mm2 or more and 30.0 N / mm2 or less.

This utility model relates to the field of toner cartridge technology, specifically a printer toner cartridge device for easy disassembly. It includes a cartridge body with several parallel annular retainers fixedly connected to its top. An annular groove, communicating with the center of each retainer, is formed through the top of the cartridge body, and a drying mechanism is housed inside the groove. A sealing cover is detachably mounted on the top of each retainer, and a locking mechanism is provided between the sealing cover and the retainers. This utility model achieves rapid disassembly and assembly while maintaining a stable seal through the combined use of the locking mechanism between the sealing cover and the retainers, and the elastic compression of a spring. This solves the problem of seal failure caused by easy wear in traditional threaded connection structures.

To provide an electrophotographic photoreceptor that is excellent in fine line reproducibility and prevents the occurrence of positive ghost.SOLUTION: An electrophotographic photoreceptor comprises: a conductive substrate; an undercoat layer provided on the conductive substrate; and a photosensitive layer provided on the undercoat layer. The amount of change in the mass of the undercoat layer at a temperature of 130°C or more and 155°C or less in differential scanning calorimetry is 0.1 mass% or less.SELECTED DRAWING: None

An electrophotographic photosensitive member allowing for favorable transfer performance. This electrophotographic photoreceptor has a surface layer including a binder resin and a particle, the particle being an organic-inorganic composite particle, the organic-inorganic composite particle including a resin particle and an inorganic microparticle partially embedded in the resin particle, wherein a surface of the organic-inorganic composite particle has a small convexity A derived from the inorganic microparticle, a surface of the surface layer has large convexities derived from the organic-inorganic composite particle, the large convexity has a height of 70 nm or more and 250 nm or less, a surface of the large convexity has a small convexity B derived from the small convexity A, and the small convexity B has a curvature radius of 10 nm or more and 30 nm or less.

An image forming apparatus includes an apparatus main body, a first unit dismountable from the apparatus main body, a second unit dismountable from the first unit, and a protective member. The first unit includes a photosensitive member, a transfer unit, and a first unit memory section. The second unit includes a development roller, a storage section that stores a developer, and a second unit memory section. The apparatus main body includes a first main body contact that is electrically connectable to the first unit memory section and a second main body contact that is electrically connectable to the second unit memory section. When the image forming apparatus is packed, the first unit and the second unit are mounted to the apparatus main body with the second unit mounted to the first unit and with the protective member mounted to the first unit and the second unit.

The present application relates to a kind of processing box and printing equipment, processing box inside is equipped with the inner chamber for storing carbon powder, also be equipped with the conveying component for conveying carbon powder, processing box is detachably installed to printing equipment along the axial direction of conveying component, drive is arranged on the end surface of the installation direction of processing box and rotates conveying component, electrically conductive sheet is arranged on the end surface, drive is located on the side of the end surface close to conveying component, and electrically conductive sheet is located on the side of the end surface opposite to drive.The present application solves the problem of unstable electrically conductive contact of processing box by the relative position of drive and electrically conductive sheet.

This electrophotographic photoreceptor comprises an electroconductive substrate (2), a photosensitive layer (3), and a protective layer (5). The photosensitive layer (3) contains a charge generator and a hole transporter. The protective layer (5) is the outermost layer of the electrophotographic photoreceptor. The protective layer (5) contains a photocurable resin. The photocurable resin has: a repeating unit derived from a compound having one polymerizable functional group; and a repeating unit derived from a compound having three or more polymerizable functional groups. The ratio B / A of B to A is 1.1 or more, where A is the Martens hardness of the protective layer (5) at a press depth of 0.4 μm, and B is the Martens hardness of the protective layer (5) at a press depth of 0.1 μm.

The logic circuit package includes an interface for communicating with a host and logic circuitry. The logic circuitry includes a memory arrangement for storing digital signature metadata to facilitate verification of associated signed data. The digital signature metadata includes a schema identifier field for storing a schema version number, a key identifier field for storing an identifier of a signing key, a plurality of data block address fields for storing addresses corresponding to each data block of a plurality of data blocks, and a plurality of data block length fields corresponding to the plurality of data blocks, each data block length field storing data indicating a length of the corresponding data block. The logic circuitry is configured to receive a read request from the host and to transmit the digital signature metadata to the host in response to the read request.

To provide an electrophotographic photoreceptor that is less prone to ghosting and density unevenness in images. [Solution] The outermost layer contains a first resin, a second resin, a charge transport material, and an antioxidant, and at least one of the first resin and the second resin has a constituent unit containing biphenyl represented by formula (BPa), and at least one of the charge transport material and the antioxidant has at least one of biphenyl represented by formula (BPa) and biphenyl represented by formula (BPb) in its molecule, and the number of biphenyls per unit molecular weight of each satisfies a specific relationship. JPEG2026084600000048.jpg6068