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WO/2011/139009A1 |
The automatic toner charging device of a laser printer cartridge according to the present invention includes: a toner refill storage tank for storing refilled toners; an outer case incorporating the toner refill storage tank; and a contr...
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WO/2011/137742A1 |
A processing cartridge used in printer consumptive material field comprises a shell, wherein a toner chamber containing toner is arranged in the shell. The shell is also provided with a photosensitive drum (68), a charging roller (71) fo...
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WO/2011/137750A1 |
A method for recycling a carbon powder cartridge (100) of a laser printer includes the following steps: (a) separating the carbon powder chamber (101) and the carrier chamber (107) by using adjacent outer walls of the carbon powder chamb...
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WO/2011/131107A1 |
A cartridge includes shell. A carbon powder chamber is arranged in the shell. Furthermore, a photosensitive drum （68）, a charging roller （71） supplying power to the photosensitive drum （68）, a development roller （56） supp...
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WO/2011/127834A1 |
A toner cartridge for laser printers includes a developing roller, a supplying roller, and a toner house (101). Both axial ends of the supplying roller are supported on first and second notches (105,106) separately. Both axial ends of th...
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WO/2011/125824A1 |
Disclosed is a polyurethane blade having an edge portion and a backup portion that have different compositions from each other. The polyurethane that forms the edge portion has higher hardness than the polyurethane that forms the backup ...
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WO/2011/125695A1 |
In order to prevent a section to be detected from interfering with the insertion and removal of a cartridge from within the main device body and to prevent damage to the section to be detected as a result of impact with other members, an...
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WO/2011/124139A1 |
A cartridge includes shell. A carbon powder chamber is arranged in the shell. Furthermore, a photosensitive drum ( 68 ), a charging roller (71 ) supplying power to the photosensitive drum ( 68 ), a development roller ( 56 ) supplying car...
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WO/2011/125503A1 |
An image forming apparatus and a control method thereof are provided that determine a final contrast potential taking into consideration not only the relationship between the contrast potential of an electrostatic latent image and the de...
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WO/2011/118689A1 |
Disclosed is a developer cartridge provided with a rotating body to be detected like that of a detection gear, more convenient than in the past. The rotating body to be detected (50) has a first detection part (72) and a second detection...
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WO/2011/118691A1 |
Disclosed is a developer cartridge that is provided with a rotating body to be detected as a contact projection and so forth and is superior to past developer cartridges. When an agitator gear (49) and an engaging part (66) rotate by mea...
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WO/2011/118690A1 |
Disclosed is a developer cartridge that is provided with a rotating body to be detected like a detection gear and so forth and is more convenient than in the past. The rotating body to be detected (50) has a first detection part (72) and...
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WO/2011/114798A1 |
A cap is configured to be attached to a developer container that discharges developer contained in the container body out of the container body through a discharge port defined in a portion of the container body. The cap includes a first...
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WO/2011/113328A1 |
An imaging cartridge chip used for different types of imaging devices, realizing method, mounting method thereof and chip adapter are provided. Varying information in groups of imaging information of imaging devices with different types,...
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WO/2011/115301A1 |
The image forming apparatus can be used in areas having different power supply voltages, in which a failure of the apparatus can be detected so that reliability of the apparatus is improved. The apparatus includes a connection state swit...
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WO/2011/111437A1 |
A transfer device (10) comprises an intermediate transfer belt (41), a plurality of intermediate transfer rollers (34A - 34D), and a transfer member moving mechanism (20). The transfer member moving mechanism moves the intermediate trans...
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WO/2011/112310A2 |
The invention is a replacement printed circuit board or chip that allows a printer to utilize a replacement printer cartridge. The printed circuit board has an encrypted memory device and a microcontroller, wherein the microcontroller is...
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WO/2011/111446A1 |
Disclosed is an image forming system (1) provided with: a controller (2) which comprises a list creation means (21) for creating a display list, a decompression means (23) for decompressing image data that has been compressed, a drawing ...
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WO/2011/111870A1 |
An image forming apparatus includes an image forming unit that forms developer images in different colors on image carriers; a first transfer unit that transfers the developer images onto an endless conveying body; a second transfer unit...
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WO/2011/110044A1 |
A photosensitive drum assembly (7) and a process cartridge are provided. The photosensitive drum assembly (7) has an upper frame (71) and a lower frame (72) with a photosensitive drum mounted between them. The lower frame (72) is provide...
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WO/2011/108547A1 |
Disclosed is a conductive roller with excellent surface properties. The surface of an elastic layer in said roller has tiny air pores, and the environmental dependence of the resistance of said roller is low. Also disclosed is a method f...
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WO/2011/108096A1 |
Disclosed is an image forming apparatus which prevents cleaning failures which may occur when residual toner on an intermediate transfer member is recovered during carriage return after a sudden stop during high-quality print image forma...
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WO/2011/108669A1 |
Disclosed is a conductive multifilament yarn for forming a conductive brush, the yarn comprising conductive fibers obtained by coating the surface of synthetic fibers with carbon nanotubes. The synthetic fibers each may have a fineness o...
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WO/2011/106983A1 |
A toner cartridge (3) and a process cartridge are provided. The toner cartridge (3) has a casing (31) surrounding a cavity to accommodate toner. A developing roller (37) is arranged in the cavity. A paper guiding part (33) is arranged on...
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WO/2011/108548A1 |
Disclosed are a conductive roller and a manufacturing method therefor. The surface of an elastic layer in said roller has tiny air pores, and variations in the specific gravity of a coating used to form the elastic layer are minimized. T...
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WO/2011/103758A1 |
A paper pressing mechanism (40) for photosensitive drum assembly and processing cartridge in laser printer comprises a paper pressing roller (41) and a paper pressing roller positioning member (51). The paper pressing roller (41) has a r...
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WO/2011/096085A1 |
Limiting the number of lines per inch in order to prevent granularity from coarsening due to the paper type causes the problem of reduced output image quality. The provided image formation device takes into account the differing degrees ...
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WO/2011/096587A1 |
Provided is a photosensitive drum unit into which a coupling member (200) can be easily installed. A drum flange (250) is fixed at one end of a cylinder (20A) provided with a photosensitive layer on the periphery thereof. The coupling me...
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WO/2011/091639A1 |
A driving assembly, a photosensitive drum including the driving assembly and a cassette including the same are provided. The driving assembly includes a gear, an axial regulating assembly, an elastic supporting portion and an axial posit...
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WO/2011/092920A1 |
Provided is an image forming device capable of effectively cooling a paper after a fixing process while preventing the size of the device from increasing and a paper carrying failure from occurring. The image forming device (10) comprise...
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WO/2011/091686A1 |
A cartridge includes: a cartridge casing (10); a photosensitive member (11) mounted inside the cartridge casing (10); a driving force receiver (12) connected with the photosensitive member (11), for supplying driving force to the photose...
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WO/2011/087143A1 |
A supporting mechanism supporting an electrophotographic photosensitive drum (7) having a photosensitive layer (7a) formed through a dip-coating on a peripheral surface of a cylindrical member, said supporting mechanism includes a bearin...
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WO/2011/083654A1 |
Printing is done on printing paper using a transparent toner, and the printing result is previewed. When displaying the result of printing on plain paper using the transparent toner, the display is controlled to display the luminance of ...
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WO/2011/083675A1 |
Read image data is segmented into a plurality of regions in accordance with the attribute of the image data. A region to be printed using a transparent toner is set in accordance with the attributes of the plurality of segmented regions....
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WO/2011/083871A1 |
A process cartridge for an image forming apparatus includes a developing roller, including a shaft member and an elastic layer therearound, for developing operation while contacting an image bearing member with a peripheral speed differe...
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WO/2011/074707A1 |
Disclosed is a process cartridge which can be removed from a xerographic image forming device in a predetermined direction substantially perpendicular to the direction of the rotational axis of an image carrier in the main body of the xe...
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WO/2011/074061A1 |
In a device for detecting the basis weight of a recording material (P), the number of pulses of a driving signal which drives ultrasound is determined by a measurement performed in the state where no recording material (P) is present, an...
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WO/2011/074610A1 |
Disclosed is a conductive roller during manufacture of which dripping of coating material, and in particular of a water-based coating material, is suppressed; also disclosed is a manufacturing method thereof. The conductive roller is pro...
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WO/2011/071180A1 |
A cleaning member, includes an elastic blade portion, having flexibility, in contact with the image bearing member in a bent state; and a supporting portion for supporting the elastic blade portion. The elastic blade portion includes a c...
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WO/2011/070654A1 |
When an interrupted printing process is resumed, normally printed sheets can be reused. When a sheet jam is detected during the execution of a job, the printing is interrupted and the designation of one or more sheets among the sheets fe...
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WO/2011/059169A2 |
The present invention relates to a fine powder packing device devised such that specific containers can be packed with a fine powderous powder, and more particularly one in which air-pressure difference is used to pack specific container...
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WO/2011/058887A1 |
Disclosed is an image formation device that can prevent heat within an in-body paper discharge unit from reaching the bottom surface of a scanner unit disposed on top of the in-body paper discharge unit. The image formation device (100) ...
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WO/2011/058824A1 |
A cleaning apparatus includes a cleaning tank having a space to contain flexible flake cleaning media, a cleaning target object holding unit holding a cleaning target object having adherent substances inside the cleaning tank, a gas flow...
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WO/2011/050613A1 |
A driving module, a photosensitive drum including the driving module and a cassette including the same are provided. The driving module includes gears tight fitting in one end of the photosensitive drum and an axially regulating module. ...
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WO/2011/047620A1 |
A chip includes a substrate (30). A communication module and a memory (32) are disposed on the substrate (30). The memory (32) stores a set of data of initial serial number (33) and at least a set of data of stand-by serial number (34), ...
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WO/2011/049204A1 |
Disclosed is an image-forming apparatus, which can eliminate sticking phenomenon on a paper catch tray by cooling paper in the early stage by blowing air to the paper in the transfer path, and which can eliminate turning, folding, tearin...
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WO/2011/040380A1 |
Disclosed is an electrostatic charging device (32A) for an image forming device (1), and in the electrostatic charging device, air not containing dusts is sucked from the outside of an image forming unit (101) by means of an air current ...
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WO/2011/039174A1 |
Described herein are a ventilating device and a method for ventilating a housing, in particular a printing machine housing. The ventilating device comprises a first blower (21), a second blower (32), a flow chamber (34) with an inlet ope...
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WO/2011/030840A1 |
Disclosed is a photosensitive drum that is provided with a structure that can decrease noise-causing vibrations without being accompanied by the addition of new parts. The photosensitive drum (2) is provided with a tube-shaped conductive...
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WO/2011/024491A1 |
An electrophotographic image forming apparatus (100) including: a cartridge tray (5) movable between an inside position (IP) and an outside position (OP) of a main body of the apparatus with supporting a cartridge (8); a light emitting m...
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