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US20120237239 METHOD FOR ASSESSING TRANSFER PRESSURE UNIFORMITY  
Systems and methods are described that facilitate automatically and uniformly depositing a marking material on transfer assist blade (TAB) petals to improve TAB pressure profile accuracy. A TAB...
US20050260005 System for measuring print sheet moisture and controlling a decurler in a xerographic printer  
In a xerographic printer, a transfer station is controlled to apply a constant current to the photoreceptor. A print sheet having a high moisture content will cause the control system to make a...
US20080199196 Machine Specific Transfer Bias Timing Adjustment  
During a calibration procedure, a first duration between a leading edge trigger corresponding to a leading edge of the media sheet passing a known point in a media path and a feedback event...
US20080152373 IMAGE FORMING APPARATUS HAVING REMAINING TONER REMOVING PART AND METHOD OF REMOVING REMAINING TONER THEREFROM  
An image forming apparatus includes a belt to transfer a printing medium, a plurality of support rollers which rotatably supports the belt, a photosensitive medium which has a surface on which a...
US20090175643 APPARATUS FOR REDUCING FLASH FOR THERMAL TRANSFER PRINTERS  
The present disclosure is directed to a printing assembly that includes an image transfer station and a blower configured to intermittently provide a cooling stream of air to a product being...
US20080003031 SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS USING THE SHEET CONVEYING APPARATUS  
A sheet conveying apparatus includes: a gate member configured to selectively block a sheet conveyance path thereby providing a structure against which to locate a leading edge of a sheet of an...
US20080107435 Arrangement for Driving a Load Element  
In a method or system for driving a load element, a drive motor is provided on a drive shaft of the load element that establishes a drive rotation speed of the load element. A rotation torque...
US20100067933 System And Method For Varying Transfer Pressure Applied By A Transfer Roller In A Printer  
A printer and method have been developed that vary the force applied by the transfer roller against the imaging member to facilitate the climb of the transfer roller as the media enters the nip...
US20090041494 PRINTING APPARATUS WHICH REDUCES INITIAL PRINTING TIME AND PRINTING CONTROL METHOD  
A printing apparatus includes a detection unit which detects a rotation period of a transfer belt, and a printing control unit which performs a printing preparation operation, and detects the...
US20090317109 Image forming apparatus and image forming method  
A driving motor for a color black is shared between a photosensitive body for the color black and a driving roller that drives an intermediate transfer belt not shown. Furthermore, a driving motor...
US20080247772 XEROGRAPHIC COPYING APPARATUS AND METHOD OF CONTROLLING MOTOR  
In a xerographic copying apparatus of the invention, a control unit to control a stepping motor to cause rotation of an image supporting body to synchronize with running of a transfer medium...
US20130259505 PRINTING SYSTEM WITH RECEIVER CAPACITANCE ESTIMATION  
A printing system includes a rotatable transport member that transports a receiver on its obverse. A tackdown unit includes an electrode arranged facing the reverse of the transport member. A...
US20080145080 Inter-Page Belt Impedance Measurement  
An electrophotographic image forming device may use a feedback loop to track impedance characteristics of a feedback loop comprising an interface between a first component and a second component...
US20060222391 Method and apparatus for controlling transfer voltage in image forming device  
A method of and apparatus for controlling a transfer voltage in an electro-photographic image forming apparatus. A transfer roller resistance between a transfer roller and a photosensitive drum is...
US20100080596 ADAPTIVE TRANSFER PERFORMANCE REGULATION BY FEEDBACK AND CONTROL  
An adaptive approach is described that maximizes xerographic transfer efficiency, i.e. minimizes post toner image transfer residual mass, in response to changes in operational conditions,...
US20080175612 Motor control device and image forming apparatus  
A motor control device includes a pair of rotating members, a driving motor, and a timer-controller. The pair of rotating members nips and conveys a recording medium. The driving motor drives at...
US20090180790 REAL TIME TRANSFER EFFICIENCY ESTIMATION  
A method for identifying transfer efficiency in a xerographic print engine utilizes customer images, thereby avoiding the use of specialized images and the corresponding loss of productivity and...
US20070297824 Image Forming Apparatus Adjusting Color Taste of Toner Image  
An image forming apparatus includes an image bearing member, first toner image forming device of forming a first toner image by a first toner, second toner image forming device of forming a second...
US20080080880 METHOD OF REVISING MEDIUM RESISTANCE AND IMAGE FORMING DEVICE USING THE SAME  
A method of revising a medium resistance to determine a transfer voltage and an image forming device to perform the same. The method includes supplying a medium recognition voltage to recognize a...
US20150241819 ADJUSTING TONE REPRODUCTION CURVE AND BELT TENSION TO CONTROL PRINTING ERRORS  
When performing a printing operation, methods and devices automatically increase a marking material quantity setting when an excessive speed variation condition of a transfer surface is present...
US20080145083 BELT TRANSFER DEVICE  
A belt transfer device according to the present invention includes an intermediate transfer belt, a transfer member, a shifter, a detector, and a controller. The transfer member primarily...
US20070248369 IMAGE FORMING APPARATUS AND CONTROL METHOD FOR THE SAME  
An image forming apparatus includes a transfer belt to carry a toner image, a transfer roller to make contact with the transfer belt to transfer the toner image onto a sheet from the transfer...
US20090269095 IMAGE FORMING APPARATUS  
The speed at which transfer-material enters a transfer region is controlled to prevent a phenomenon in which a toner image on an intermediate transfer belt is scraped by the leading edge of the...
US20090060547 Transfer Belt Charge Buildup Compensation  
The present application is directed to methods and devices for compensating for transfer belt charge buildup in an image forming device. In one embodiment, the method includes determining the...
US20090052921 IMAGE FORMING APPARATUS, CLEANING METHOD AND CLEANING PROGRAM  
There is provided a technique in which a cleaning process of a developer attached on a transfer roller can be effectively realized. There are included an instruction reception unit 103 to receive...
US20110150514 METHOD FOR AUTOMATICALLY CORRECTING TRANSFER PRESSURE NON-UNIFORMITY USING THE CROSS PROCESS UNIFORMITY  
This invention relates to an electrophotographic marking apparatus and provides an automatic method for automatically scanning and correcting TAB pressure non-uniformity using a cross-process...
US20090238592 Printing on Conductive Substrate Material  
An electrophotographic printing control apparatus serves for transferring an image via an electrically biasable ITM drum to a conductive substrate. The electrically biasable ITM drum is in contact...
US20100080584 Transfer Print Voltage Adjustment Based on Temperature, Humidity, and Transfer Feedback Voltage  
An electrographic image forming device may use a feedback loop to determine environmental conditions and accordingly set one or more operating parameters. The device may detect a...
US20090016751 METHOD AND APPARATUS FOR CLEANING ATTACHMENT ON TRANSFER ROLLER IN AN IMAGE FORMING APPARATUS  
An image forming apparatus includes a photoconductor, a transfer roller, and a power supply for providing a voltage signal for the transfer roller to transfer surface attachments on the transfer...
US20100080586 Method for Adjusting Transfer Voltage Controls Based on Environmental Conditions to Improve Print Quality in a Direct Transfer Image Forming Device  
The present application is directed to methods of controlling the transfer voltage in a transfer nip formed between the photoconductive member and the transfer member. The methods offset the...
US20080231223 Rotor Driving Control Device and Image Forming Apparatus  
A device of a motor with a rotation control means that decreases the fluctuation of its rotation period. The control is carried out based on the amplitude and the phase generated by...
US20150037053 SHEET DETERMINATION APPARATUS USING ULTRASONIC WAVE TRANSMITTING UNIT OR RECEPTION UNIT  
A protection member is arranged such that the distance from an opening plane of a reception guide to the center of the protection member is half of the distance from the opening plane of the...
US20090052922 IMAGE FORMING APPARATUS  
An image forming apparatus which is capable of suppressing damages to a plurality of photosensitive drums and an intermediate transfer belt, and reducing loads on drive sources of the...
US20100008688 METHOD FOR ALIGNING TRANSFER POSITION OF TRANSFER SYSTEM  
Performed is a process of obtaining, when a dummy wafer is transferred between a orienter and a second processing chamber through a transfer path, a coordinate system for correcting a position...
US20080226321 IMAGE FORMING APPARATUS AND TANDEM IMAGE FORMING APPARATUS  
An image forming apparatus has a photoconductive drum or belt supporting a toner image, a transfer member transferring the toner image onto a recording medium, a transportation device transporting...
US20090129798 IMAGE FORMING APPARATUS HAVING BRUSH AND CLEANING BLADE TO REMOVE TONER REMAINING ON IMAGE CARRIER  
An image forming apparatus includes: an image carrier; a charging unit which charges a surface of the image carrier; a brush which removes toner remaining on the image carrier by rubbing the...
US20100142981 System for Tailoring a Transfer NIP Electric Field for Enhanced Toner Transfer in Diverse Environments  
A system for tailoring a transfer nip electric field includes a transfer roll, a backup roll forming a transfer nip with the transfer roll, and a pre-nip roll positioned upstream from the transfer...
US20090252517 TRANSFER DEVICE AND IMAGE FORMING APPARATUS USING THE SAME  
As a projection extending member is arranged adjacently to a projection, a sensor S1 produces an “ON” state output when an eccentric cam starts turning even in non-printing mode. The time from...
US20060285865 Method and apparatus for controlling transfer voltage in image forming device  
A method and apparatus for controlling a transfer voltage applied to a transfer roller in order to transfer a toner image formed on an intermediate transfer member to a medium in a multi-path type...
US20120321332 IMAGE FORMING APPARATUS  
In an image forming apparatus, a sheet during secondary transfer is allowed to contact with and slide on a sheet stacked on a sheet stack portion, double feeding of the sheet due to electrostatic...
US20070183803 IMAGE FORMING APPARATUS HAVING AN IMPROVED DUPLEX PRINTING ABILITY  
An image forming apparatus which measures resistance of a recording medium on which an image formed and applies a transfer voltage corresponding to this resistance to the recording medium, thereby...
US20100008689 Image forming device, photoconductor drum drive controlling method, and computer-readable recording medium  
An image forming device has a full-color image formation mode to form a color image using color photoconductor drums and a monochrome image formation mode to form a monochrome image using a...
US20120099879 LARGE PARTICLE TONER PRINTER  
Printers are provided for printing using large particle toner. One printer has a printer controller causing a first imaging module to form first toner image using a first toner particle having a...
US20090060540 IMAGE FORMING DEVICE  
An intermediate transfer tandem type image forming device which has multiple first stage transfer units set parallel and a single power unit which simultaneously applies bias to the multiple first...
US20100054782 INTERMEDIATE TRANSFER MEMBER, AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS EMPLOYING THEREOF  
It is an object to provide an intermediate transfer member that maintains a good second transferability and a good cleaning property even when print is repeatedly carried out and continuously...
US20090003864 TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME  
A transfer device, which transfers an image onto a recording medium directly or indirectly and is included in an image forming apparatus, includes an endless belt member extended between a drive...
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);...
US20140270829 SYSTEM AND METHOD FOR DETECTING BIAS TRANSFER ROLL POSITIONS USING RESISTANCE DETECTION  
A system and method is provided for determining the location of one or more biased transfer rolls relative to associated photoreceptors in a printer. The one or more biased transfer rolls can be...
US20100054781 Transfer device and image forming apparatus  
A transfer roller lies opposite to a supporting roller across an image carrying belt and abuts against the outer surface of the image carrying belt to form a transfer nip. A driving force...
US20110150517 Method And System For Maintaining Substantially Uniform Pressure Between Rollers Of A Printer  
A method and system for maintaining a substantially uniform pressure between a pair of rollers is disclosed.