Matches 1 - 50 out of 251 1 2 3 4 5 6 >


Match Document Document Title
US20120207518 COLOR-TO-COLOR REGISTRATION FOR BELT PRINTING SYSTEM  
Embodiments described herein include a multi-color printing system in which color-to-color registration errors due to cyclical belt motion errors are minimized. A belt for transporting a substrate...
US20120051767 DUAL REGISTRATION AND PROCESS CONTROL TONED PATCHES  
A method and apparatus saves on toner cost and improves productivity for running registration and color process controls in a printer by making dual use of patches for both functions. That is, the...
US20110116812 SHEET REGISTRATION FOR A MULTIPASS ELECTROPHOTOGRAPHIC PRINTER  
A method and system for printing image documents using a variety of toners where some toners using a multi-development station having two or more development stations. These toners are co-printed...
US20120321356 IMAGE FORMING APPARATUS  
An image forming apparatus includes a patch forming unit configured to form a patch group containing patch subgroups arranged in a sub-scanning direction. Each of the patch subgroups contains a...
US20110200366 METHOD FOR CALIBRATING A PRINTING MACHINE  
A method for calibrating a printing machine comprising a plurality of printing units includes transporting a first group of at-least-semi-transparent sheets at least once through the printing...
US20100080626 Multicolor image uniformity by reducing sensitivity to gear train drive non-uniformity  
A method and system for printing documents using a variety of gear arrangements and, more particularly, to a method and apparatus for printing image elements within a document to minimize print...
US20090196662 METHOD OF MEASURING A CORRECT LATERAL REGISTRATION SETTING AND PRINTING MACHINE SUITABLE THEREFOR  
The invention relates to a method of ensuring a correct lateral registration setting, in a digital multi-color electrographic sheet-printing machine, which the sheets adhere to a support,...
US20060115303 Color registration sensing device, and electrophotographic image forming apparatus with the same  
Provided are a color registration sensing device to detect color registration of a color image to adjust color registration. An electrophotographic color image forming apparatus is also provided...
US20080038024 DISPLACEMENT CORRECTION DEVICE, DISPLACEMENT CORRECTION METHOD, AND IMAGE FORMING DEVICE  
Sensors detect a displacement correction pattern image-formed on a transporting belt. A timing when the sensors execute a detecting operation is preliminary set depending on a tolerance in a...
US20070172264 Printer including unit for detecting color registration error and method of detecting color registration error  
A printing apparatus and method of detecting a color registration error are provided. A detecting unit detects registration marks comprising a plurality of toner marks. The registration marks are...
US20070175351 Method for the detection of marks and printing machine  
The object of the invention is to achieve a correctly positioned print in duplex-printing mode. A method for the detection of marks (1, 1′, 1″) by a sensor array (10) for a printing machine has...
US20080170892 AUTO COLOR REGISTRATION APPARATUS AND METHOD THEREOF  
An auto color registration apparatus and a method thereof capable of improving the precision of a color registration operation, the auto color registration apparatus includes: a color image...
US20070092308 Belt rotation device for image forming device  
As a portion to be detected of a belt 51, a protrusion 60 is provided on the width direction edge of the endless belt 51, and the tensile elastic modulus of the member forming the protrusion 60 is...
US20090074476 POSITIONAL MISALIGNMENT CORRECTING DEVICE AND IMAGE FORMING APPARATUS  
A positional misalignment correcting device includes a pattern forming unit that forms a correction pattern and a detecting unit that detects the correction pattern. The detecting unit includes...
US20100067961 USE OF REGISTRATION MARKS TO IMPROVE IMAGE ON PAPER REGISTRATION PERFORMANCE  
A method for improving image on paper registration in an image printing system is provided. The method includes advancing a target media along a media path; printing a plurality of registration...
US20090028614 Active station adaptive image registration  
A color registration method, system, and computer program product generally includes a plurality of imaging stations and one or more MOB (Marks-On Belt) sensors. An indication is initially...
US20090290914 TRANSFER BELT DRIVING CONTROL METHOD AND TRANSFER BELT DRIVING CONTROL APPARATUS FOR COLOR REGISTRATION CORRECTION  
A transfer belt driving control method and transfer belt driving control apparatus for color registration correction. The color registration correction method and apparatus performs the color...
US20060056882 Color registration control method and image forming apparatus using the same  
A color registration control method and an image forming apparatus using the same are provided, wherein the color registration control method includes the steps of developing a registration...
US20050157317 Systems and methods for spectrophotometric assessment of color misregistration in an image forming system  
A system and method for detecting and correcting color misregistration errors in a color image forming device. Spectrophotometric analysis is performed on special color registration patches to...
US20090317147 SHEET COLOR IMAGE FORMING APPARATUS  
A color image forming apparatus for forming toner images by carrying out charging, exposure, and development on at least one photoreceptor drum, and forming color images by transferring the toner...
US20090238613 BELT DRIVE CONTROL DEVICE, BELT DEVICE, IMAGE FORMING APPARATUS, AND BELT DRIVE CONTROL METHOD  
A belt drive control device includes: first and second detection devices which detect the angular displacement or velocity of a driven rotary member and the angular displacement or velocity of a...
US20120224891 IMAGE FORMING APPARATUS AND METHOD FOR COLOR REGISTRATION CORRECTION  
A color registration method includes determining whether color registration is needed or not, if color registration is needed, setting an optimal amount of light of the registration sensor in a...
US20100080603 Method of Forming Registration Mark and Image Forming Apparatus  
A method of forming registration marks and an image forming apparatus are provided. The registration mark includes two first patterns and one second pattern on an image carrier. The method...
US20140212185 IMAGE FORMING APPARATUS  
An image forming apparatus forms decision registration mark for deciding whether or not a color registration correction for correcting color shifts in the color image carries out on an...
US20090016785 Use of a sense mark to control a printing system  
A method of printing on a substrate includes the steps of instructing a first imaging unit to print a first image and a registration mark on a substrate contemporaneously during a production run...
US20130259542 Method and apparatus for assessing the operation of a color printing system  
A method and apparatus are provided for assessing the operation of a col or printing system (10) by measuring color plane mis-registration. The printing system (10) is caused to print a...
US20080294363 System and method for characterizing color separation misregistration utilizing a broadband multi-channel scanning module  
A system and method for characterizing color separation misregistration of a multi-color printing system utilizing a broadband multi-channel scanning module, such as an RGB scanner, are provided....
US20070003332 System and method for correcting color registration  
A method and apparatus for correcting a color registration are provided for improving the quality of images of an image forming apparatus. A surface condition is estimated of an intermediate...
US20090190972 BELT DRIVE CONTROL UNIT, BELT DRIVE CONTROL METHOD, BELT DRIVE CONTROL PROGRAM, AND IMAGE FORMING APPARATUS USING SAME  
A belt drive control unit controls a rotation of belt supported by first and second rollers. Each of rotations of the first and second rollers are detected as first and second results. A rotation...
US20080279599 COLOR IMAGE FORMING APPARATUS, COLOR IMAGE FORMING METHOD, COMPUTER PROGRAM PRODUCT  
An out-of-color registration table containing a correspondence of amounts of out-of-color registration detected by an out-of-color-registration amount detector and machine states detected by a...
US20060118705 Apparatus and method for adjusting amount of light emitted by registration sensor  
An apparatus and method are provided for adjusting the amount of light emitted by registration sensors. The apparatus comprises a first registration sensor emitting and receiving light for...
US20070242986 Color registration method and image forming apparatus  
A color registration method in a color image forming apparatus including a plurality of drum-type photoconductors for driving some or all of the photoconductors having the same diameter to match...
US20090035030 IMAGE FORMING APPARATUS AND AUTO COLOR REGISTRATION METHOD THEREOF  
A color registration method of an image forming apparatus, including forming a plurality of front detection marks corresponding to a plurality of colors on a transfer belt, forming a first rear...
US20130164048 COLOR REGISTRATION SENSOR FOR IMAGE FORMING APPARATUS, METHOD OF DETECTING REGISTRATION TEST PATTERNS BY USING THE COLOR REGISTRATION SENSOR, AND IMAGE FORMING APPARATUS INCLUDING THE COLOR REGISTRATION SENSOR  
A color registration sensor of an image forming apparatus, and a method of detecting registration test patterns of a plurality of colors formed on a transfer medium, by using the color...
US20070166082 Transfer position controlling apparatus, image forming device having the same and transfer position controlling method thereof  
A transfer position controlling apparatus of an image forming device includes an encoding part having a plurality of first encoding elements formed in a longitudinally spaced apart relation on a...
US20070071510 Image forming apparatus and image forming adjustment method  
Multiple photoconductive drums on which images with different color components are formed respectively are rotated using individual motors, multiple adjustment images are formed at a predetermined...
US20090067893 IMAGE SHIFT ADJUSTING APPARATUS OF IMAGE FORMING APPARATUS  
First patterns for setting a first adjustment value and second patterns for setting a second adjustment value are formed on a transfer belt running at a first process speed. By this, an image...
US20080166150 Image forming apparatus and method of preventing color misregister therein  
Provided is an image forming apparatus (1) having polygon mirrors (82) each forming an electrostatic latent image by scanning a photoconductive drum provided in an image forming unit (50a, 50b);...
US20060176355 Color registration apparatus and method in electrophotographic printer and computer-readable recording medium storing computer program  
Provided are a color registration compensation apparatus and method in an electrophotographic printer and computer-readable recording medium storing a computer program. The apparatus includes an...
US20050002702 Image forming apparatus and transfer belt  
In an image forming apparatus, rollers to stretch and suspend a transfer belt to which color images are transferred are equipped with small diameter portions and a marker is formed, the marker...
US20110243588 IMAGE FORMING APPARATUS THAT ENABLES REDUCING TIME REQUIRED FOR ADJUSTMENT OPERATION  
An image forming apparatus that can reduce the time required for adjustment operations when a first adjustment operation that requires speed change and a second adjustment operation that does not...
US20100014896 USE OF XEROGRAPHIC IMAGES AND A FULL-WIDTH ARRAY SENSOR FOR MULTIPLE CONTROL SYSTEM SENSING  
A method for monitoring an image printing system that prints color images on an image bearing surface movable in a process direction is provided. The method includes placing marking material to...
US20070098463 Color registration compensation apparatus and method for electro-photographic image forming device  
Provided is a color registration compensation apparatus and method for an electro-photographic image forming apparatus. The color registration compensation apparatus for an electro-photographic...
US20090123196 IMAGE FORMING APPARATUS  
An image forming apparatus includes: an endless intermediate transferring belt to which a toner image is transferred; a reference position marking member that is formed on a surface of the...
US20080226361 Image forming apparatus with image adjusting function, image adjusting method and image adjusting program  
An image forming apparatus with an image adjusting function using a adjustment patterns transferred on an endless belt including; a calculation unit that obtains, based on the measured positions...
US20060257177 Method and apparatus for adjusting color alignment of image forming device using patterns  
A color alignment adjustment method and apparatus for adjusting the color alignment of a color image forming apparatus by using patterns formed on a middle transfer belt or a photosensitive body...
US20090060599 IMAGE FORMING APPARATUS HAVING A MECHANISM FOR DETECTING A MARK ON A BELT  
A circumferential length of a belt is measured within a short period of time. A plurality of marks is provided on a belt. Distances between the marks are set to be all different from each other....
US20050214035 Electrophotographic image forming method and apparatus for preventing color shift  
An image forming apparatus includes at least one image bearing member, a transport mechanism, a scale, and a scale reading mechanism. The at least one image bearing member is configured to bear a...
US20090317148 IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING SAME  
In full-color printing, one of first and second rotary members is activated with a time lag after the other of the first and second rotary members is activated such that the phase difference...
US20080226313 Image forming apparatus and image forming method  
An image forming apparatus includes an image carrier, an intermediate transferring body and a contact type secondary transferring member transferring an image from the intermediate transferring...

Matches 1 - 50 out of 251 1 2 3 4 5 6 >