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7609994 |
Image developing apparatus and image forming apparatus using the apparatus
An image developing apparatus includes an upper case; a lower case disposed on a lower side of the upper case, and internally housing a developing agent, and having an opening. A photoconductive...
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7587154 |
Developing unit and image forming apparatus using the same
A developing unit for developing an electrostatic latent image formed on the outer peripheral surface of a latent image bearing member rotating in one direction with a developer by mixing...
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7551865 |
Image forming apparatus
An image forming apparatus includes an intermediary transfer member for primary-transferring the toner at a primary transfer position so that a second color toner image is primary-transferred from...
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7546071 |
Developing device for prevention of coagulate toner adherence and image forming apparatus using the developing device
A developing device includes a developer tank, a developing roller, a supply roller, a stirring member, and a doctor blade. The developing device is provided with: a cleaning member detachably...
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7546058 |
Image forming apparatus with partitioning member
A partition is provided to isolate a space from outside thereof, the space encompassing a space where an image holding member, a developing device, a charging device, a transfer device, and a...
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7539435 |
Image forming apparatus with isolating member for powder developer
An isolating wall is provided for isolating, from a space outside the isolation wall, a space including: a photosensitive drum; a developing unit; a charging device; a transfer device; and a fixing...
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7519308 |
Device and method for removing image forming substance deposits
The present disclosure relates to a device and method for removal of image forming deposits between two contacting surfaces in an image forming device or image forming device cartridge. The method...
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7515171 |
Light scanning module having cleaning shutter to clean laser scanning window and image forming apparatus having the same
A light scanning module mounted to a main body, the module including a light scanning unit including a light scanning window to scan a light onto a photosensitive body of the main body, a cleaning...
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7506975 |
Sticky baffle
A printing medium baffle for protecting printheads printing on an image transfer member from particulates associated with the printing medium. The baffle may have one or more adhesive surfaces.
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7496317 |
Image-forming device facilitating resolution of paper jam
A feeding unit is disposed near the lower edge of an access opening formed in a front cover of a main casing. The feeding unit includes a pair of registration rollers and a pair of guide parts. One...
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7480468 |
Apparatus for detecting developer level in developing unit
An apparatus to detect the remaining amount of developer in a developing unit is provided. The apparatus includes a light emitting prism and a light receiving prism placed opposite to each other in...
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7471918 |
Image forming apparatus using an electrophotographic photoconductor and method of using the same
The present invention provides an image forming apparatus which can, by uniformly leveling the particles which are non-uniformly adhered to the surface of the photoconductor by using a leveling...
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7460804 |
Image forming device having an image detector
An image forming apparatus includes detecting means for detecting a toner image formed on an image carrier, and transport means for transporting a sheet. The detecting means is disposed on an inner...
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7457553 |
Image-forming device and transfer device having a density sensor and blocking member
A blocking disk formed with a notched part is disposed between a density sensor and a belt. The exposure/blocking of the density sensor relative to the belt is switched by rotating the blocking...
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7454153 |
Cleaning of contamination in a printer as a function of a register error
Cleaning of contamination in a printer, especially contamination by the use of a fixing aid, in which the contamination is determined by evaluating the register of a print of the printing machine....
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7450879 |
Image forming apparatus having a member for removing dust from an image carrier
An image forming apparatus is provided which includes a rotating image carrier including a central portion and tip portions, and a rotating developing element for contacting the rotating image...
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7424263 |
Toner recovery belt conveyor, process cartridge, and image forming apparatus using the same
A toner recovery device, capable of preventing toner from spilling out of the space between protruding sections and an inner wall of a toner-conveying pipe, and process cartridge and image forming...
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7409174 |
Image forming apparatus featuring a toner supply opening positioned to avoid contamination of an exposure slit
An image forming apparatus includes a rotatable image bearing member; an exposure unit, disposed below the image bearing member, including a transmitting portion for transmitting a laser beam to...
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7403732 |
Image forming apparatus equipped with LED printing head
An image forming apparatus includes: a photoreceptor; a charger that electrically charges the photoreceptor; an exposing unit having an LED printing head that forms a latent image on the...
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7386248 |
Image developing apparatus having a toner scatter preventing unit and image forming apparatus
An image developing apparatus includes an upper case, and a lower case having an opening and containing a developing agent on a lower side of the upper case. A photoconductive drum in the upper...
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7376371 |
Process cartridge with component geometry suitable for recycle of same
A process cartridge is disclosed which is detachably mounted on an apparatus for forming an image using toner, and which has a process cartridge housing. The process cartridge housing includes: a...
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7369797 |
Developing apparatus and process cartridge with protrusions between the bearing and the shaft
A developing apparatus includes a developer container for storing a developer which contains toner, a rotary member for stirring and conveying the developer, and a bearing member to hold the rotary...
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7369790 |
Process cartridge including paper dust removal member
An image forming device includes a paper dust removal unit that removes paper dust from a photosensitive member. The paper dust removal unit includes a brush-shaped member affixed to a plate by a...
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7366437 |
Image forming apparatus having an optical sensor provided in opposition to a transfer belt formed of an endless belt
An image forming apparatus includes: a transfer belt that is formed of an endless belt; a plurality of image forming units that are so arranged as to be aligned in a transfer belt conveyance...
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7333763 |
Developer collecting apparatus and an image forming apparatus having the same
Disclosed is a developer collecting apparatus capable of preventing a developer collected from a photoconductive medium from clotting while being supplied to a developing unit. The developer...
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7277655 |
Optical writing unit and image forming apparatus having an optical system casing and a cleaning tool
An optical writing unit for use in an image forming apparatus, wherein the optical writing unit includes an optical system which generates a light beam to write an electrostatic latent image on an...
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7266323 |
Manifold for toner collection and contamination control in xerographic process developer housing
An airborne toner collection manifold for an electrostatographic printer for coupling in fluid flow communication with a vacuum source includes an inlet, a collection duct, a first exhaust duct and...
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7248812 |
Cleaning member
A cleaning member for mounting around a support in an electrophotographic machine, the support being located peripherally adjacent at least one electrophotographic process device having a surface...
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7231163 |
Apparatus and method of reducing charge roller contamination
The present invention relates generally to image forming equipment, e.g. a laser printer of the type which includes a photoconductive (PC) drum and an associated charge roller. The invention is...
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7224930 |
Image forming apparatus
An image forming apparatus includes a latent-image carrier, a developing unit, a transfer unit, a cleaning unit, a recovered-toner supply unit, and a foreign-matter collecting unit. The developing...
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7203444 |
Method and apparatus for image forming and optical writing device installed therein capable of reducing adhering dust
A method and apparatus of image forming includes an optical writing device and an image carrier. The optical writing device includes a housing, a dustproof member, a light source, and a shield. The...
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7187885 |
Oxidation of volatile organic compounds in electrographic printing
An apparatus for oxidizing volatile organic compounds from an electrographic printer may comprising a) a printer system that vents a gas stream containing volatile organic compounds to a first...
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7174114 |
Apparatus and method for reducing contamination of an image transfer device
An apparatus and method for reducing contamination of an image transfer surface in an image transfer device includes a charging device for charging the image transfer surface. An airflow control...
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7173646 |
Color image forming apparatus
An image forming apparatus includes a plurality of image forming portions, each of which has a photosensitive member and a developing device for developing an electrostatic image on the...
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7171137 |
Developing apparatus and image forming equipment and method thereof
A method and developing apparatus are provided. The method and apparatus comprise a developing carrier, spaced apart from an image carrier at a predetermined interval, for developing an...
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7167661 |
Sensor cleaning mechanism for image forming device
A sensor cleaning mechanism is arranged on a transport/transfer belt unit having a photosensor mounted thereon. The transport/transfer belt unit is detachably arranged on a main body of an image...
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7162170 |
Method and apparatus for image forming capable of effectively preventing toner adhesion on a density sensor by generating an electric field according to a visible image
An image forming apparatus includes an image bearing member configured to bear a visible image including a toner charged with a predetermined polarity, an intermediate transfer member configured to...
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7149456 |
Image forming device
An image forming device includes a transportation path, a transportation roller and a foreign particle collecting mechanism. The transportation path extends approximately upward from a paper feed...
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7149455 |
Image forming device having a cleaning member for cleaning an image formation surface
An image forming device includes an image forming section, a plurality of recording-medium supply units, a transportation guide forming a plurality of transportation paths, a full-width cleaning...
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7123854 |
Printer contaminant abatement systems and methods
Embodiments herein comprise a compact dust abatement apparatus that includes at least one manifold shaped to fit next to a belt or drum of a printing engine, at least one blower/fan positioned...
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7103298 |
Toner scatter suppressing developing device, image formation apparatus and process cartridge
A developing device includes a developing agent carrying member and a latent image carrying member agent. A casing having a developing agent storing space for storing developing agent has an...
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7085513 |
Multi-function office apparatus
An improved multi-function office machine having a paper-discharging space cover at an opening of a paper-discharging space, to prevent inflow of foreign substances into the multi-function office...
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7068959 |
Fuser oil contamination prevention and clean-up method
Preventing the imaging forming process of an electrostatographic reproduction apparatus having a plurality of imaging modules in tandem relative to a receiver transport belt moveable along a...
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7058334 |
Electro-photographic image forming apparatus having a function for preventing toner for scattering and control method for the same
An electro-photographic image forming apparatus preventing toner from scattering during a printing operation and a control method of the same. The electro-photographic image forming apparatus...
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7046940 |
Developing device having a developer scatter prevention unit and an electrophotographic image forming apparatus using the same
A developer scattering prevention unit used with an electrophotographic image forming device includes an air inlet/outlet pipe installed adjacent to an intermediate area between an image carrier...
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7038819 |
Depth of field adjustment device and method for an automatic document feeder
The present invention relates to a depth of field adjustment device and method for an automatic document feeder. The automatic document feeder has a guiding groove for placing an object to be...
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7031633 |
Printing apparatus and method with improved control of humidity and temperature
A method and apparatus for controlling conditions in a printer that includes a print engine that is operative upon an article to print marks upon the article. Sensors are provided for detecting...
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7024150 |
Separable cleaning device for an image forming apparatus
A contaminant removing member for removing contaminants adhering to the surface of the photoconductive member is contacted to and pressed against the surface of the photoconductive member by an...
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7020404 |
Image forming apparatus with color shift sensors that are shielded from toner
An image forming apparatus forms a toner image on a toner image bearing body and the toner image is transferred onto a recording medium. An image forming section forms the toner image on the toner...
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7006783 |
Device and method for fixing a toner image by solvent vapor while reducing the solvent drag-out
In a device and method for fixing toner images on a carrier web, rinsing chambers from which a mixture of solvent vapor and air is drawn off are located before and after a fixing chamber. The...
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