Matches 1 - 36 out of 36
Match Document Document Title
7561835 Developing device, and image forming apparatus and process cartridge using the developing device  
A developing device including a developing unit configured to develop an electrostatic latent image with a toner; a toner cartridge configured to contain the toner and supply the toner to the...
7502577 Image forming apparatus comprising a plurality of image forming stations and plurality of developer accommodating vessels  
An image forming apparatus includes a specific color image forming station for forming a black image and one or more non-specific color image forming stations for forming images of colors other...
7437101 Toner container and toner filling method  
A toner container which is mountable and removable at a main body of an image forming apparatus, the toner container comprising: at least one toner filling port provided in a casing body of the...
6618564 Electrophotographic development system with custom color printing  
An apparatus for developing a latent image recorded on an imaging surface with a custom color toner, including a developer housing for developing a portion of the latent image with the toner of...
6347199 Toner supply method in picture image forming system and picture image forming system  
There is provided a toner supply method in a picture image forming system having a plurality of picture image forming parts, each of which is designed to supply a toner from a toner cartridge to a...
6198890 Electrophotographic color printing arrangement with inclined photoreceptor path  
An electrophotographic color printing arrangement includes a belt photoreceptor having a path of motion extending at an angle of about 35° to 60° with respect to the horizontal, a plurality of...
5852759 Electrostatographic developing device with toner dosage reservoir  
An electrostatographic developing device (15) including a magnet roller (16), a chamber (41) for two-component developer, a holder (22) for toner and a toner dosage reservoir (45) with an opening...
5809370 Image forming apparatus capable of loading cartridge  
In a printer having a toner cartridge drum in which a toner cartridge of each of yellow, magenta, cyan, and black is detachably provided, when the toner cartridge is exchanged by opening a door of...
5802435 Toner hopper lockout mechanism  
A lockout mechanism for preventing an operator from filling a toner hopper in an electrographic printing device until the hopper is at least empty enough to accept the entire contents of a toner...
5797069 Developing device for image forming apparatus  
A color printer including a photoconductive belt, a black developing unit which is located adjacent the photoconductive belt and a revolving type developing unit which is located adjacent the...
5722008 Copy machine with physical mixing of distinct toner to form a custom colored toner  
A marking particle color blending device for use in an electrophotographic printing machine of the type having an electrostatic latent image recorded on a photoconductive member is provided. The...
5708918 Image formation apparatus that can maintain appropriately toner density in developing device  
An image formation apparatus for forming a full color image in the four colors of cyan, magenta, yellow and black has a optical ATDC sensor attached in a cyan developing device to control the toner...
5640644 Image forming apparatus having toner replenishment device  
An image forming apparatus includes a toner replenishment device which replenishes a specified monocolor toner to a developing unit arranged around a surface of an image carrier, and which is...
5315362 Multicolor developing device including expansion/contraction means for permitting a developing mechanism to move relative to its associated toner container  
A movable frame member is so mounted on a stationary frame member as to be movable reciprocatingly. A plurality of developing mechanisms are provided on the movable frame member to perform...
5300991 Image forming apparatus with toner replenisher  
An image forming machine having an image carrier on which an electrostatic latent image is formed, a developing device that develops the latent image and a toner replenisher that replenish toner to...
5298951 Image forming apparatus with toner monitoring system  
In an image forming apparatus, a toner container is provided for stocking a toner. In a body of the image forming apparatus, an opening is provided for supplying the toner to the toner container,...
5194905 Color printer apparatus for printing selected portions of latent images in various colors  
Color image creation wherein the color is user selectable selection of a desired color establishes the duty cycle of each of a plurality of developer structures which, in turn, determines how much,...
5182608 Method and apparatus for applying toner to an electrostatic image  
A series of electrostatic images carried by a drum or similar image member are toned with different colored toners by a movable developing device. The developing device moves a series of developing...
5177543 Detack enhancement for electrostatographic document copiers/printers  
An electrostatographic copier/printer has an image member with at least one portion which can selectively be imaged to receive an electrostatic image to be toned. A toning station is operable to...
5172168 Electrophotographic system haivng a developing device with a plurality of toner feeders  
An electrophotographic system for use as a laser beam printer, a copying machine, or the like has an image carrier for receiving an electrostatic latent image, a developing device for developing...
5162854 Image forming apparatus having at least two toning stations  
An image-forming apparatus particularly usable in making multicolor toner images includes toning stations in pairs. First and second toning stations each have a toner applicator. A spacing roller...
5150162 Toner supply device for an image forming apparatus  
A toner supply device advantageously applicable to a full color copier has a plurality of supply units each being associated with respective one of developing units incorporated in the color...
5089859 Multicolor image forming apparatus which converts color data into erasing data  
A color image forming apparatus providing an image reader comprised of an array of image reading devices aligned in a main scan direction and an editing eraser comprised of an array of light...
5077584 Toner supply device for electrophotographic equipment  
A toner supply device incorporated in electrophotographic equipment which develops a latent image electrostatically formed on an image carrier by using toner. The device has a toner tank for...
5049930 System for preventing erroneous mounting of developer tanks accommodated in a developing device  
An electrophotographic apparatus is provided with a developing device accommodating a plurality of developer tanks and a system for preventing erroneous mounting of these developer tanks. The...
5047804 Image forming apparatus having a toner replenishment control system  
An image forming apparatus is provided with a plurality of developing units in which the toner replenishing device equipped with each developing unit is actuated for a predetermined period of time....
5045884 Toner supply arrangement  
A toner supply arrangement for use in a developing apparatus which includes a plurality of toner accommodating containers provided in the developing apparatus, a toner transport device for...
4982242 Color image forming apparatus  
A color image forming apparatus provided with a developing device for developing an electrostatic latent image formed on a latent image bearing member. The developing device comprises a plurality...
4954844 Multicolor image developing device  
Disclosed is an apparatus for forming a color image on a photoreceptor, in which along the rotation direction of the photoreceptor there are provided an imagewise exposure process to form a latent...
4937627 Image forming apparatus having toner replenishing device interchangeable with a developing unit  
An image forming apparatus provided with a toner replenishing device attachable to a position of any one of a plurality of developing units. The toner replenishing device replenishes toner to...
4913348 Method and apparatus for creating contrasting images at substantially full contrast voltage  
An electrostatic charge pattern is formed on a charge retentive surface. The charge pattern comprises charged image areas and discharged background areas. The fully charged image areas are at a...
4912512 Electrophotographic copier with a capability of automatically setting up optimum process conditions  
An electrophotographic copier selectively operable with various kinds of toner automatically sets up optimum copy process conditions for any particular characteristic of toner to be used when a...
4878091 Multicolor image forming apparatus  
A multicolor image forming apparatus wherein a plurality of developing devices for forming a multicolor image are integrally supported by a support member which can be inserted into and withdrawn...
4111151 Multi-particle developability regulating system  
An apparatus in which the developability of a development system comprising a mixture of particles having at least two different colors is regulated. The quantity of each of the differently colored...
3808026 LIQUID DEVELOPMENT OF ELECTROSTATIC LATENT IMAGE  
Electrophotographically produced electrostatic latent images are developed with minimal toner coloration of background or highlights. Residual electrostatic charge or potential is neutralized...
3181418 Projection apparatus  
Matches 1 - 36 out of 36