|
Match
|
Document |
Document Title |
|
|
7630654 |
Printing apparatus
A plurality of chambers are adapted to accommodate a plurality of cartridges each containing toner to be used for printing. A mode changer is operable to change an operation mode of the printing...
|
|
|
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...
|
|
|
7623814 |
Single-pass bypass printing method and apparatus
A single-pass bypass printing machine including: (a) a moveable photoreceptor belt for moving through an imaging path; (b) apparatus for supplying and feeding print media along a main media path...
|
|
|
7616917 |
Multiple-channeled layer printing by electrography
Electrographic printing of one or more multi-channeled layers having a particular pattern by electrographic techniques. Such electrographic printing includes the steps of forming a desired print...
|
|
|
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...
|
|
|
7603064 |
Unit for tone-processing image data using screen pattern with different screen angles for toners of same hue and different density
The electrophotographic image recording apparatus includes a photoconductive image bearing member, a charging unit, an exposure unit, developing means, a transferring unit suited to superimpose and...
|
|
|
7596345 |
Image forming apparatus with a developer comprising at least a toner and a first external additive
An image forming apparatus includes a developing apparatus for developing an electrostatic image with a developer comprising at least a toner and a first external additive, the developing apparatus...
|
|
|
7592115 |
Carrier for electrostatic latent image developer, production method thereof, electrostatic latent image developer, and image-forming device
A carrier for electrostatic latent image developer, including a core material and at least two or more resin-coated layers formed on the surface of the core material, wherein the resin-coated...
|
|
|
7567772 |
Color printer apparatus
By using an embodiment of the invention, an image forming apparatus capable of reducing time required until an image output of a single color frequently used for image formation is outputted and...
|
|
|
7558516 |
Image forming apparatus wherein a carrier weight ratio in a first supply container and carrier weight ratio in a second supply container are substantially equal to each other
An image forming apparatus includes a first developing device for developing an electrostatic image with a first developer including a non-transparent toner and a carrier; a second developing...
|
|
|
7558509 |
Image forming apparatus
A controller of an image forming apparatus determines whether switching of a monochromatic recording mode to a color recording mode is necessary or not. In the case where the controller determines...
|
|
|
7558512 |
Toner cartridge and electrophotographic printer employing the same
A toner cartridge horizontally installed in an electrophotographic printer having a photoreceptor drum where an electrostatic latent image is formed by charging and exposure, and contributing to...
|
|
|
7555245 |
Image forming apparatus with cam members
An image forming apparatus includes a detaching and pressing mechanism for releasing developing rollers of developer cartridges mounted in a drum unit from photosensitive drums and pressing the...
|
|
|
7555244 |
Image forming apparatus with a latent image writing unit positioned and biased against positioning errors
In an image forming apparatus, a photoreceptor carries a latent image on its looped surface. An optical writing unit moves between an operating position at which writing of a latent image is...
|
|
|
7551867 |
Image forming apparatus including controller driving image carriers
An image forming apparatus of the present invention includes image carriers arranged side by side in a preselected direction, developing means each for forming a toner image on one of the image...
|
|
|
7522864 |
Image forming apparatus and image forming method
In an image forming apparatus of the present invention, a developing unit for magenta contains magenta-type toner for pseudo full-color image forming whose chromaticity point is shifted closer to...
|
|
|
7509077 |
Method and printing machine used for printing with the use of toner
Printing with the use of toner, in particular, for electrophotographic printing, wherein a printing machine set up for multi-color printing and includes several imaging stations or printing units...
|
|
|
7499066 |
Image forming apparatus with improved capability of image superposition
An image forming apparatus including a light scanning device configured: to store in advance a predetermined base correction time; initiate optical image writing for a first round of rotation of an...
|
|
|
7489890 |
Color image forming apparatus with differing toner time constants
A color image forming apparatus includes: a multiple number of process printing units, each having a photoreceptor drum for forming a toner image with a toner corresponding to color-separated image...
|
|
|
7463847 |
Image-forming apparatus having developing units in removable holding unit
An image-forming apparatus includes: a main body; at least one photosensitive member; an exposing unit; a plurality of developing units; a transferring unit; and a first holding unit. The...
|
|
|
7460817 |
Image forming apparatus
An image forming apparatus includes a plurality of developing portions capable of developing electrostatic latent images formed on an image bearing member, and a control portion for executing...
|
|
|
7450888 |
Image forming apparatus and method of detecting home position error by sensing an indicating unit
An image forming apparatus and a method of detecting a home position error are provided. The image forming apparatus includes a plurality of developing units, a cam shaft, and a plurality of cams...
|
|
|
7450889 |
Image forming apparatus including developing units each having an agitation member
An image forming apparatus includes: a plurality of development units having developing-agent carriers which are provided in correspondence to three or more developing agents, and developing...
|
|
|
7447459 |
Image formation device which operates in a plurality of startup modes
The present invention provides an image formation device having a plurality of startup modes in dependence upon the toner cartridge installed, with which the user can perform alteration of the...
|
|
|
7430389 |
Image forming apparatus with transparent toner developer
An image forming apparatus includes a first image bearing member; a first developing means forming a toner image of transparent toner on an electrostatic latent image formed on the first image...
|
|
|
7421231 |
Image forming apparatus
An image forming apparatus which improves uneven gloss occurring at the step of fixing a transparent toner is provided with an image bearing member on which a latent image is formed, a transparent...
|
|
|
7416826 |
Color toner for electrophotography and color toner set for electrophotography using the same, color developer for electrophotography, method for forming color image, and apparatus for forming color image
A color toner for electrophotography having excellent fixability and void resistance is capable of forming a high-quality image. The color toner for electrophotography comprises a binder resin and...
|
|
|
7398036 |
Image forming apparatus and image forming method
An image forming apparatus including: a black developing unit accommodating black toner; and at least one color developing unit accommodating color toner. The black toner has a softening point...
|
|
|
7376373 |
Image forming apparatus having a power transmitting device to selectively operate developing units thereof
An electrophotographic image forming apparatus is provided that includes a plurality of developing units, a cam shaft, and a plurality of cams disposed on the cam shaft corresponding to the...
|
|
|
7375853 |
Image processing apparatus and method
A separating unit determines, for an image data, whether there exists black data, and generates density data from the black data when the black data exists, and generates color data from data other...
|
|
|
7356283 |
Tandem type image-forming apparatus
In an image-forming apparatus, a main device body has a first side surface and a second side surface opposite to the first side surface. An opening is formed in the first side surface. A cover...
|
|
|
7349653 |
Developing apparatus and image forming method featuring colored and transparent toners
A developing apparatus includes a developing device for color receiving colored toner and a carrier and developing an electrostatic image; a developing device for transparence receiving transparent...
|
|
|
7349655 |
Developing device and method of forming images
A developing device configured to carry out development of an electrostatic image using color toner particles and transparent toner particles includes color and transparent developing units...
|
|
|
7340204 |
Color image forming apparatus and process cartridge therefor
A color image forming apparatus including a first-color developing unit configured to form a toner image on the photoconductive belt; and a second-color developing unit and successive developing...
|
|
|
7321741 |
Image forming apparatus featuring a transparent image forming station to achieve uniform gloss
An image forming apparatus includes a plurality of image forming stations and a transferring device. Each image forming station includes an image carrier for carrying an electrostatic image and a...
|
|
|
7315712 |
Electrophotographic image recording apparatus and method therefore
In an electrophotographic image recording apparatus apparatus including a photoconductive image bearing member, a charging apparatus for uniformly charging the image bearing member, an exposure...
|
|
|
7310483 |
Image-forming apparatus and image-forming method for making development using light toner and dark toner with substantially the same hue
In an image-forming apparatus being selectable between a four-color mode forming images using only cyan, magenta, yellow, and black toner and a six-color mode forming images using light cyan and...
|
|
|
7310484 |
Apparatus for forming visible black and white or color images and invisible images
The image forming apparatus of the present invention includes a cyan color image formation unit which uses a cyan color toner to form a cyan color image; a magenta color image formation unit which...
|
|
|
7302196 |
Image forming apparatus, developer tank, and method of identifying developer tank
An image forming apparatus includes an image forming apparatus body, and developer tanks to be removably fitted to the body. The developer tanks each have a charging current inflow terminal which...
|
|
|
7298984 |
Image forming apparatus and developer control method
An image forming apparatus includes a developer that develops a latent image to form an image, a separation unit that separates image information of a job image by color upon writing a latent image...
|
|
|
7277649 |
Developing apparatus and image forming method
A developing apparatus for developing an electrostatic image with light chromatic toner and dark chromatic toner which have the same hue, the developing device includes a light color developing...
|
|
|
7239830 |
Color image forming system and method of forming color image using the system
A color image forming system including a photosensitive drum, a charger which charges the photosensitive drum, and a laser scanning unit which is installed below the photosensitive drum and...
|
|
|
7200350 |
Image forming apparatus switching developing rollers of mounted process cartridges between contact and spaced states and switching the contact position of a feeding belt contactable to drums of the mounted cartridges
A color electrophotographic image forming apparatus for forming an image on a recording material, includes (i) a mounting portion for detachably mounting process cartridges developing images with...
|
|
|
7197265 |
Color image forming devices for use in color printers
A color image forming device includes a photosensitive unit, an exposing unit, a plurality of developing units, a first transfer body, a second transfer body and a fixing unit. The photosensitive...
|
|
|
7194223 |
Tandem type image forming apparatus
In a tandem type image forming apparatus of this invention provided with image forming units arranged under an intermediate transfer medium and further, an exposure device arranged under the image...
|
|
|
7177574 |
Image forming apparatus and developing gap adjusting method in image forming apparatus
In the image forming apparatus of the present invention, a developing roller is press fit into the rotor at the edge of the rotary holder of the revolver type color developing device that is...
|
|
|
7167669 |
Image forming apparatus
An image forming apparatus includes plural toner image forming devices. Each of which has a rotating photoconductor, a charging device that uniformly charges a surface of the photoconductor, a...
|
|
|
7123862 |
Image forming apparatus
In an image forming apparatus having at least an amorphous silicon photosensitive member, a magnetic toner developing means and a color developer developing means, the magnetic toner has a...
|
|
|
7120368 |
Image forming apparatus using two or more toners for ordinary paper or OHP sheet
An image forming apparatus includes an image bearing member; an electrostatic image forming device for forming an electrostatic image on the image bearing member on the basis of an input signal; a...
|
|
|
7120377 |
Color image forming system and method of forming color image using the system
A color image forming system including a photosensitive drum, a charger which charges the photosensitive drum, and a laser scanning unit which is installed below the photosensitive drum and...
|