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8180232 Apparatus for making combination prints with pleasing appearance  
Printers are provided. In one aspect, a printer has a printer controller cooperating with a print engine, receiver transport system, overlap positioning system, and fuser to cause a first toner...
8134741 System and method for controlling consistent color quality  
A system and method control a consistent color quality of overlay colors and single separations of color. The method determines a first error for a first separation of a first color, wherein the...
8095022 Image forming apparatus capable of calculating amount of toner adhesion accurately  
A forming-dot counting section counts a number of dots of a subject color based on dot pattern data of the subject color. An overlapping-dot counting section compares the dot pattern data of the...
8090280 Color registration apparatus and method, image forming apparatus employing the same apparatus, and image output method of the image forming apparatus  
A color registration apparatus that independently forms images of predetermined respective colors and compensates a mis-registration between the overlapped images of respective colors employed in...
7933526 Image forming apparatus and image forming method with forms for printing according to consumable material  
An image forming apparatus acquires a type of consumable material possessed by the image forming apparatus using a library provided in an application platform, displays forms capable of printing...
7869723 Image forming apparatus capable of forming glossy color image  
An image forming apparatus includes an image forming unit and a correction unit. The image forming unit superimposes toner images of a plurality of colors, one over the other, on a recording medium...
7800799 Color shift correcting apparatus and method, image forming apparatus, color shift correcting program and recording medium  
A color shift detection pattern forming part forms a color shift detection pattern. A sensor detects color shift in the color shift detection pattern. A color shift amount computing part calculates...
7729023 Image reading apparatus and image reading method  
An image reading apparatus which is capable of preventing images read from a double-sided original from suffering an in-surface color irregularity on each of images read from the respective...
7689151 Multi-color image-forming apparatus, optical sensor, and method for the same  
A multi-color image-forming apparatus having image-forming sections for a plurality of different colors can include an optical sensor having a light-casting section that casts single polarized...
7650093 Image forming device, calibration method and storage medium storing program  
An image forming device includes an image forming unit that forms an image including at least one of a user-requested image and a test image onto a recording medium, a controller that controls the...
7630672 System and method for determining and correcting color separation registration errors in a multi-color printing system  
A system and method for determining a color separation registration error in a multi-color printing system are provided. The system and method provide for instructing first and second color...
7538918 Toner image forming apparatus including gradation control  
An image forming apparatus in which an image quality priority mode in which image density adjustment or image gradation control is effected to thereby give priority to the quality of an output...
7499659 Image-forming apparatus and image-forming method  
The image-forming apparatus and an image-forming method of the present invention stably provides a high-quality image having a surface with a uniform gloss value, without reduction in image...
7206532 Multiple object sources controlled and/or selected based on a common sensor  
A sensor module is able to sense at least one aspect of objects produced by a plurality of object sources. Since one sensor module or set of sensor elements is used to examine output from the...
7085508 Timing control unit and color image forming apparatus using the same  
Provided is a timing control unit that controls timing for performing a desired operation of a belt-like member at least at two operating positions including a first and second operating positions....
7046947 Free sheet color digital output terminal architectures  
A free sheet, high speed, color tandem printing system that controls registration of images from one imager to another while mechanically decoupling individual imagers and all the while maintaining...
7039348 Method for maintaining image on image and image on paper registration  
A method for repositioning a mark on a belt after an image on paper registration process, which includes printing a test pattern, measuring at least one test pattern parameter, detecting a mark on...
7016059 Printing images in an optimized manner  
A method and system of producing image prints and other physical manifestations of images from an order specifying one or more recipients and, for each specified recipient, a set of one or more...
6968148 Image adjusting method and image forming apparatus  
Images based on each of a plurality of color components are formed; the formed images are transferred on each transfer medium to form an image quality determining image; the image quality of the...
6522857 Method and apparatus for setting registration in a multicolor printing machine based on printing substrates  
A method and apparatus for setting registration in a multicolor printing machine (1) having a number of exposure devices (2, 2′, . . . ) for the digital production of color separations (3, 3′, . ....
6360070 Image forming apparatus including a plurality of closely spaced transfer stations for sequentially transferring aligned, superimposed image portions to a printing medium  
Assuming the photosensitive drum for black as a reference, the phase of the adjacent photosensitive drum for cyan leads by about 60 deg. Similarly, the phase of the photosensitive drum for magenta...
6356718 Image forming apparatus for outputting a color image  
This invention is made to cause photosensitive drums 21Y, 21M, 21C, 21B to be rotated at a constant circumferential speed even if the diameter of the photosensitive drum 21B is larger than the...
6323931 LCD with external circuit having anti-short-circuit pattern and particular structure  
An interterminal anti-short-circuiting pattern is formed in an upper metal wire included in a connection terminal 3, for connecting to external driving LSI and the like, located on the projected...
6088477 System for controlling an amount of undercolor removal based on a grayness signal, a darkness signal, and a black signal  
A color image processing system for performing undercolor removal. The system includes input of a color image signal, generation of a grayness signal from the color image signal, generation of a...
6002413 Color image forming apparatus having correction of color image offset  
Light scanning devices forming electrostatic latent images on photosensitive bodies are disposed so as to correspond respectively to the plurality of photosensitive bodies which correspond to a...
5983045 Image forming apparatus for forming plural toner images on photosensitive member and for transferring toner images onto transfer material collectively  
The present invention aims to improve image quality in an image forming apparatus in which plural color toner images are formed on a photosensitive member and the toner images are collectively...
5963757 System for processing a photosensitive material  
A method and apparatus for locating and cutting individual images from a web containing a plurality of images, the web having a magnetic media capable of retaining magnetically recorded data. The...
5926674 Reverse polarity split recharge in recharge-expose-and-develop image on imaging printing  
A Recharge-Expose-and-Develop Image on Image color electrophotographic printing system in which the photoreceptor is recharged between development of one color of toner image and the subsequent...
5893658 Image plane registration system for electrographic systems  
A method and apparatus for minimizing image banding and for registering multiple image planes of a single image on a receptor drum in electrographic systems. The system for registering multiple...
5848335 Internal erase before last development in color electrophotographic printing  
A multistation color electrophotographic printer having an erase lamp located opposed to or before the last physical developer housing, but after the first physical developer housing.
5784668 Image forming apparatus  
In an image forming apparatus wherein plural developing devices 3 have alternating electric field applying mechanisms 4, the alternating electric field applying mechanisms 4 have alternating...
5778289 D.C. recharge to reduce cross contamination in the read IOI process  
A color REaD IOI system in which the photoreceptor is DC only recharged between the development of the first toner layer and the subsequent exposure and development of the following toner layer. To...
5778288 Erase before A.C. recharge in color electrographic printing  
A color REaD IOI system in which a light source illuminates the photoreceptor so as to erase that photoreceptor after the development of a first toner followed by a high slope AC corona system...
5745818 Image formation method and image formation apparatus  
An image formation method for forming an image of a plurality of colors through a charging step, an image exposing step, a developing step and a transferring step, wherein the image exposing step...
5722009 Color image forming apparatus having a transparent image forming drum with detectors inside of the drum  
In a color image forming apparatus, plural different colored toner images are sequentially formed on an image forming body by repeating respective operations of plural chargers, plural imagewise...
5715498 Color image forming apparatus and method for forming a color image corrected for aberration in registration of image stations for each color  
A color image forming apparatus is provided with a number of image stations respectively corresponding to different color components and adapted to form images of respectively corresponding color...
5697009 Device for forming electrostatic latent images on a photoconductor  
Disclosed is an image processing apparatus by which a first image corresponding to first image information and a second image corresponding to second image information are superimposed one on the...
5568227 Method and apparatus for transport speed optimization to minimize image smear  
A method and apparatus for minimizing image smear. A plurality of sheets are printed, each having the same test pattern thereon but varying a sheet transport speed as each sheet is printed. The...
5552876 Apparatus and method for forming superimposed images and copying machine equipped with apparatus  
Disclosed is an image processing apparatus by which a first image corresponding to first image information and a second image corresponding to second image information are superimposed one on the...
5493387 Thick overcoated PR and color on color  
Highlight color images are created in a single pass using a light lens copier. Image exposure is accomplished using light/lens scanning of a multi-color original together with simultaneous...
5493385 Electrophotographic color printer apparatus and method with improved registration of colors  
A multicolor non-impact printer is described that includes a photoconductive image receiver. The receiver is uniformly charged with an electrostatic charge. The receiver is then imagewise exposed...
5486901 Color image recording apparatus with a detector to detect a superimposed toner image density and correcting its color balance  
A method for forming a toner image on a photoreceptor includes charging a photoreceptor to a charged electric potential; exposing the photoreceptor so as to form a reference latent image for each...
5410395 Means for controlling trilevel inter housing scorotron charging level  
In a highlight color imaging method and apparatus, the charging level of a scorotron used for charge neutralizing an already developed image is controlled by using the bias voltage of a second...
5381221 Dot image forming apparatus having controlled dot adhesion  
In an image forming machine in which a latent image is formed on an image carrier using an exposure device corresponding to an image forming signal, and a toner image is formed by a developing...
5374950 Image forming apparatus to provide multicolor images  
In a color toner image forming apparatus equipped with a scanning device to scan a photoreceptor with a light beam which is modulated on the basis of image density represented by image signals so...
5365325 Method of multi-color recording using electro-photography process and apparatus therefor wherein mixed colors generation is prevented  
Each of a charging process on and after a second time is carried out by a charging means having a controlling electrode. The relationship between a controlling potential (Vg) applied to the...
5339135 Charged area (CAD) image loss control in a tri-level imaging apparatus  
A pair of Electronic Voltmeters (ESV) are utilized to control the photoreceptor charging voltage in a Tri-Level imaging apparatus. One of the ESVs is used to control the voltage increases of a...
5241357 Color image forming equipment with two developers and a pulse bias  
Color image forming equipment for transferring a multicolor image from a photoconductive element to a recording medium by a single transfer. A pulse bias is applied as a bias for development. The...
5157441 Dark decay control system utilizing two electrostatic voltmeters  
A single pass tri-level imaging apparatus and method. Compensation for the effects of dark decay on the background voltage, VMod, and the color toner patch, Vtc readings is provided using two ESVs...
5138378 Electrostatic target recalculation in a xerographic imaging apparatus  
Recalculation of electrostatic target values in a tri-level imaging apparatus are utilized to extend the useful life of the photoreceptor (P/R). The increase in residual voltage due to P/R aging...
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