Matches 1 - 50 out of 144 1 2 3 >
Match Document Document Title
7630669 Multi-development system print engine  
A multi-purpose print platform includes a color print engine with color and black toners and a low-cost-per-page print engine having at least two image development systems in which each of the...
7627271 Image forming apparatus including drive transmission member including gears and shafts  
An image forming apparatus includes: a photosensitive member; a plurality of development devices attachable to and detachable from a main body of the image forming apparatus, a motor; and a drive...
7620347 Developing device and image forming apparatus having a gear holder  
An image forming apparatus includes a developing cartridge having a developing roller driven by developing roller drive gear, a supply roller driven by a supply roller drive gear, an input gear, a...
7610000 Developing device driver and an image forming apparatus using the same  
A developing device driver according to the present invention includes a developing roller gear connected to each developing roller to develop an electrostatic latent image formed on a...
7570901 Roller spacing apparatus and image forming device having the same  
A roller spacing apparatus and an image forming device including the same. The roller spacing apparatus includes a first roller member that is rotatable, a second roller member that is rotatable in...
7570904 Image forming apparatus  
In the image forming apparatus by: visualizing an electrostatic latent image formed on an electrostatic charge carrying member; transferring a toner image, which is thus visualized, to a recording...
7542707 Image forming apparatus  
An image forming apparatus including: colored toner image forming devices each developing an electrostatic image with colored toner to form a colored toner image; a transparent toner image forming...
7505709 Image forming apparatus, process unit, and developing cartridge  
When the drum axis of a photosensitive drum cartridge is engaged with an image forming apparatus, the developing roller axis of a developing cartridge is engaged with an engagement provided in the...
7460816 Developing device and image forming apparatus having gears whose relative positions can be determined with precision  
An image forming apparatus includes a developing cartridge having a developing roller driven by developing roller drive gear, a supply roller driven by a supply roller drive gear, an input gear, a...
7428396 Power transmitting device for developing device and image forming apparatus with the same  
A power restricting device for a developing device of an image forming apparatus and an image forming apparatus with the same are disclosed. The power restricting device for a developing device of...
7426358 Image forming apparatus and method having a cleanerless image forming unit  
There is provided an image forming apparatus comprising a developing device containing a toner having an average particle diameter of 2 to 5 μm and a spherical degree of 1 to 1.2, and a transfer...
7398040 Developing apparatus, cartridge and image forming apparatus  
A developing apparatus includes a developer carrying member for carrying a developer thereon and developing an electrostatic image formed on an image bearing member with a developer, a developer...
7395014 Image forming apparatus  
An improved image forming apparatus comprises a first developing unit comprising a photosensitive body. Also provided is a second developing unit including a developing roller which is moveably...
7391996 Image forming apparatus configured so that an angel is formed by straight line connecting a rotation center of a rotary and a drive transmitting position, and a tangent line at a transfer position of an image bearing member  
The present invention relates to an image forming apparatus comprising: an exposing means and a developing means. The developing means comprises a plurality of developing devices, a rotating member...
7386258 Coupling means for development roller of developing unit and electrophotographic image forming apparatus having the same  
A developer includes a developer frame in which a developing agent is contained, a development roller that is rotatably disposed inside the developer frame. Coupling means couples the development...
7366449 Developing unit, process cartridge, and image forming apparatus  
A developing unit includes a developer container that includes an opening and holds a developer; a first screw that stirs and conveys the developer, and that supplies the developer to a developing...
7361400 Developer carrier, developing device using the developer carrier, and process cartridge using the developer carrier  
A developer carrier is capable of stably charging a toner over a long term without change in physical surface shape and composition. The developer carrier has at least a substrate and resin coating...
7333753 Developer housing design with improved sump mass variation latitude  
A developer system for developing an image in an electrophotographic printing machine, including: a developer housing having a toner sump containing developer material; a magnetic development...
7292724 Image processing apparatus and image processing method  
The present invention provides an image processing apparatus on which an image forming engine for forming a full-color image by using color materials corresponding to data of color tones on the...
7292806 Image forming apparatus and an image forming method using a plurality of monochromatic developer cartridges  
Prior to the execution of a printing operation, a print preparatory operation is conducted only on a priority developer cartridge out of the plurality of monochromatic developer cartridges mounted...
7260341 Cleaning patch for an image forming apparatus  
The present invention discloses a cleaning patch and method thereof for cleaning a residual toner in a developing unit. The cleaning patch is composed of a plurality of cleaning regions. Each...
7248806 Paddle positioning system  
The present invention is directed to an article, system and method for determining and/or selecting the location of a toner engaging member in a developing agent device such as a toner cartridge....
7236724 Method for forming image and image forming apparatus  
The developing agent is selected to have a distribution of adhesive force to the surface of an image carrier, which is configured such that the ratio of the developing agent having an adhesive...
7224924 Developing device, image forming apparatus, image forming system, and method of manufacturing developing device  
A developing device is provided with: a developer containing section that is for containing a developer and that has a predetermined coefficient of thermal expansion; a developing roller for...
7215909 Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these  
Disclosed are a developing device, a developing cartridge, a process cartridge, and an image forming apparatus in which image deficiency is prevented by absorbing the tolerance of each component...
7212773 Image forming apparatus  
An image forming apparatus whereby it is possible to prevent unevenness in developing density caused by misalignment between the central axes of a driven side rotational coupling section for...
7209684 Image forming apparatus and method for forming image with developing agent having adhesive strength  
The ratio of the particles of developing agent having a particle diameter of not more than A×0.5 (μm) (wherein A is a 50% average particle diameter (μm)) and the ratio of the particles of...
7199898 Developing device and image forming apparatus  
A developing device including: a first developer carrying member for carrying a developer to develop a latent image formed on an image bearing member; a first regulating member, disposed on one end...
7177573 Image forming apparatus with reversely rotated developer bearing members  
An image forming apparatus including an image bearing member bearing latent images; a developing unit including plural developing devices developing the latent images with developers to form visual...
7155137 Process cartridge, developing cartridge and developing roller  
A developing cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes a developing roller, for developing an electrostatic...
7056637 Electrophotographic toner with uniformly dispersed wax  
Toner particles are described containing at least one toner resin and at least one wax. The wax present in the toner particles has an average domain size of about 1 micron or less. Developer...
7024137 Developing device, developing cartridge, and process cartridge each urging developing roller into regulating portion, and image forming apparatus having such developing device or process cartridge  
Disclosed are a developing device, a developing cartridge, a process cartridge, and an image forming apparatus in which image deficiency is prevented by absorbing the tolerance of each component...
7006778 Detoning apparatus and method  
A toner separation apparatus includes a target, an inlet through which toner laden carrier enters to strike the target, an exit for carrier particles below the target, and an exit for toner...
6990308 Image forming device, print cartridge and doctor blade assembly that reduce vibrations at doctoring media nip  
A doctor blade assembly ( 121 ) for an image forming device such as a laser printer ( 100 ) includes a bracket ( 622 ) to which foam ( 640 ) is attached providing improved tolerances in the nip...
6978107 Developer supply container  
A developer supply container detachably mountable to a developer receiving device, includes a main body for accommodating a developer; a grip member for gripping the developer supply container; an...
6963704 Heating system for a developer housing  
An apparatus for developing a latent image recorded on a movable imaging surface, including: a reservoir for storing a supply of developer material including toner particles, the reservoir...
6873813 Development method and image formation apparatus  
The increasing ratio of development density to increase in potential difference between a photoreceptor and a development roller differs between the region where the potential difference is small...
6823159 IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE INCLUDING A DEVELOPING DEVICE PROVIDED AT LEAST WITH A DEVELOPER HOLDING MEMBER FOR HOLDING A DEVELOPER CONTAINING A TONER AND A DEVELOPER REGULATING MEMBER  
An image forming apparatus includes an electrophotographic photosensitive member rotated at a peripheral speed of 150 mm/second or more and a specific toner. The toner has a weight-average particle...
6816692 Support assembly for roller including roller body and support shaft  
Gear ( 52 ) and resin body ( 2 ) supported on shaft ( 1 ) and between frame members ( 14 a ) and ( 14 b ) are protected from contacting a frame member. Frame ( 14 a ) has a partial hole ( 22 ) with...
6741822 Image forming apparatus with members for holding a cartridge  
Elastic members are fixed at one end to the housing of an image forming apparatus while their distal ends extend into the framework of the developing unit. When a toner cartridge is fitted to the...
6621999 Developing device and image forming apparatus  
A developing device for developing a static latent image is disclosed. The relation between an average of the circle corresponding diameter of the toner aggregates in the toner image on the image...
6580890 Clear toner for conditioning of development systems  
A toner deliver system, such as a development roller, in an electrophotographic printer is conditioned with clear toner particles. The clear toner particles are made of similar resins and contains...
6564022 Image forming apparatus  
An image forming apparatus includes an image carrier on which a latent image is formed; and a developing roller provided in the vicinity of a surface of the image carrier for conveying a...
6463239 Electrophotographic development system with custom color printing  
An apparatus for developing a latent image recorded on an imaging surface, including: a first developer unit for developing a portion of the latent image with a toner of custom color, the first...
6314258 Image forming apparatus realizing stable charging and development characteristics  
To provide an image forming apparatus which can realize stable charging and development characteristics, with a high resistance provided on the photoreceptor side. A photoreceptor drum is laminated...
6287739 Toner, image forming method, and apparatus unit  
A toner has toner particles and an external additive. The toner particles have a weight-average particle diameter of from 4 μm to 9 μm. The external additive has (i) first,...
6275672 Adjustment mechanism for development station elements  
A mechanism for adjusting the location of a rotatable mixer and rotatable transport mechanism within the development station housing of an electrographic reproduction apparatus development station....
6240268 Gap retaining member and developing device employing the same  
A gap retaining member featuring high durability and high resistance to frictional charging is provided as a means for retaining a gap between an image bearing member and a developer bearing member...
6235441 Positively chargeable toner, image forming method and image forming apparatus  
A positively chargeable toner suitable to be carried on a cylindrical developer-carrying member having a resinous surface for developing an electrostatic latent image is formed from a composition...
6226480 Image forming apparatus supplying charging accelerating particles to image bearing body in non-image forming  
An image forming apparatus for injection charging which uses charging accelerating particles in a charging nip portion to rotate an image bearing body and a charging roller at different velocities...
Matches 1 - 50 out of 144 1 2 3 >