Matches 1 - 50 out of 207 1 2 3 4 5 >


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US20080199195 Charger with a probe and controller  
This is a charging assembly that is useful in marking processes with an electrostatically charged surface. The assembly includes, besides the charger, a controller and an electric field probe....
US20080240755 Developing method in imaging-forming device  
A developing method in an image-forming device is provided. The developing method includes the steps of charging a photoreceptor; exposing the photoreceptor to form a first latent image on the...
US20080019719 IMAGING METHOD FOR UNIVERSAL PRINTERS USING AN IMAGE-ON-IMAGE PROCESS  
A method of printing using an image-on-image device that includes a photoreceptor, including monochrome exposing the photoreceptor or monochrome charging the photoreceptor, wherein monochrome...
US20130294788 EFFICIENCY OF A CORONA CHARGER  
A system for charging a photoreceptor (3) includes a first corona charging unit (2) a first corona electrode (4), a first shell electrode (6), and a first high voltage power supply (22). The shell...
US20080205919 NON-CONTACT CHARGER AND NON-CONTACT CHARGING SYSTEM  
A non-contact charger includes: a casing having a recessed portion in which a cordless handset is placeable; a primary coil which is provided in the casing to be opposed to the cordless handset...
US20130294787 EFFICIENCY OF A CORONA CHARGER  
A method of charging a photoreceptor (3) includes a first corona charging unit (2) a first corona electrode (4), a first shell electrode (6), and a first high voltage power supply (22). The shell...
US20080152371 Photoconductor life through active control of charger settings  
Xerographic photoreceptor life is improved while maintaining output print quality by adjusting the AC charging actuator of a xerographic machine to a point at which photoconductor life is...
US20080050135 Sheet transport device and image forming apparatus  
A sheet transport device and an image forming apparatus using the sheet transport device are disclosed. The sheet transport device includes a transport belt rotating around rollers that transports...
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...
US20090052915 CONSTANT VOLTAGE LEVELING DEVICE FOR INTEGRATED CHARGING SYSTEM  
A charging system for uniformly charging an imaging surface moving in a predefined path including a dicorotron for charging the imaging surface; a discorotron, adjacent to and downstream from said...
US20090324268 IMAGE FORMING APPARATUS  
A bias corrector conducts a first bias correction calculation by performing first through third calculations. The first calculation compares a stored target charging current value to a first...
US20060115286 Electrophotographic image forming apparatus, and toner, process cartridge and image forming method therefor  
An image forming apparatus including an image bearing member configured to bear an electrostatic latent image; a charging device configured to charge the image bearing member by applying a DC...
US20120128382 IMAGE FORMING APPARATUS  
An image forming apparatus includes: a first photosensitive member; a second photosensitive member; a third photosensitive member; a first scorotron-type charger that is configured to charge the...
US20080317488 Total layer thickness detection apparatus, charging device, image forming apparatus, total layer thickness detection method and computer readable medium storing program for total layer thickness detection  
A total layer thickness detection apparatus for a charged body includes: a saturated charge amount detection unit that detects a saturated charge amount of a charged body having plural coating...
US20100054776 IMAGE FORMING APPARATUS  
An image forming apparatus includes an image bearing member and a charging roller rotatable in contact therewith. Before driving of the image bearing member starts, a bias having the same polarity...
US20100080587 System and Method for Adjusting Selected Operating Parameters of Image Forming Device Based on Selected Environmental Conditions to Improve Color Registration  
A system for adjusting selected operating parameters of an image forming device to improve color registration based on selected environmental conditions includes a first image forming station to...
US20090202927 Charge control agent, toner, image forming method, and image forming apparatus  
To provide: a charge control agent having negative chargeability, which contributes to environmental conservation and the like to an increased degree, has high performance (high charge amount,...
US20120183316 INTERDOCUMENT PHOTORECEPTOR SIGNAL SENSING AND FEEDBACK CONTROL OF PAPER EDGE GHOSTING  
Apparatus and method for minimizing ghost defect are disclosed. Ghosting results in interdocument bands when paper size is changed and process control instability due to using the interdocument...
US20130108295 IMAGE FORMING DEVICE  
An image forming device, comprising: at least one photosensitive body; scorotron chargers that charge the at least one photosensitive body; a charge voltage applying circuit to which the scorotron...
US20080101808 Image forming apparatus and method for controling developing bias voltage  
The present invention provides a method and apparatus for forming an image. A controller manages a charger and a developing bias voltage to increase an absolute value of the charging voltage to an...
US20090274474 ELECTROSTATIC CHARGING APPARATUS, AND IMAGE FORMING ASSEMBLY AND IMAGE FORMING APPARATUS WHICH EMPLOY THE SAME  
An electrostatic charging apparatus, includes: an endless-shaped electrostatic charging belt having electrical conductivity, the electrostatic charging belt being arranged in a state of having a...
US20150234338 IMAGE FORMING APPARATUS  
An image forming apparatus includes photoconductors. Electrifiers uniformly electrify surfaces of the photoconductors. A power source applies an electrifying voltage to the electrifiers. A current...
US20080226317 Image Forming Apparatus and Method  
An image forming apparatus, includes: a plurality of image forming stations each of which includes a photosensitive member and a charger that charges a surface of the photosensitive member to a...
US20100008685 CHARGING APPARATUS  
A charging apparatus includes a charging device for electrically charging a photosensitive member; a bias applying device for applying to the charging member a charging bias voltage comprising a...
US20070086801 Image forming apparatus  
In an image forming apparatus, a control section 41 adjusts the surface potential of a photoconductor or the developing potential of a developer carrying member based on the detection result of a...
US20090041487 IMAGE FORMING APPARATUS  
In an image forming apparatus, temporary constant voltages are not by using three voltage-current data obtained by applying voltages at three levels to a primary transfer roller to detect currents...
US20070189791 Image forming method, image forming device, and image forming program  
An image forming method, includes a charging step of charging an image carrier; an image writing step of writing image data onto the image carrier; a developing step of developing a latent image...
US20080298826 IMAGE FORMING APPARATUS  
An image forming apparatus includes a rotatable photosensitive drum, a charging apparatus to which a charging voltage is applied, an exposure apparatus forming an electrostatic image, a developing...
US20100080593 IMAGE FORMATION DEVICE AND IMAGE FORMATION METHOD  
An image formation device for forming an image on a print medium by an electrophotographic process comprises a photosensitive body on which a developer image to be transferred to the print medium...
US20070212086 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD  
An image forming apparatus is disclosed that is able to form a full color image with high precision by correcting the adhesion quantity of an image visualizing agent and a position shift of a...
US20090047587 ELECTROPHOTOGRAPHY DEVICE  
Embodiments of an electrophotography device are disclosed.
US20100080592 IMAGE FORMING DEVICE  
An image forming device includes plural electrostatic latent image holding bodies that hold, on surfaces thereof, electrostatic latent images to be developed with developers of multiple colors,...
US20080170867 IMAGE FORMING APPARATUS AND POWER SUPPLYING METHOD THEREOF  
An image forming apparatus includes an image forming part that forms an image on a recording medium and includes a plurality of photoconductors, a plurality of charging parts that charges the...
US20070189787 Image formation apparatus and charging control method of charging roll  
An image formation apparatus includes: a photoconductor that has a photoconductive layer having a surface on which an electrostatic latent image is formed; a charging roll to which a bias with an...
US20140037311 IMAGE FORMING DEVICE  
An image forming device includes each of developing devices including an image carrying part, a charging part that charges the image carrying part, a developing part on which a developing voltage...
US20080175608 IMAGE FORMING APPARATUS AND METHOD THEREOF  
According to an aspect of the invention, an image forming apparatus having a plurality of processing velocities is characterized by a control for determining the image forming process conditions...
US20080044192 Image forming apparatus and toner adhesion amount correction method  
According to one embodiment, an image forming apparatus includes an image carrier, a image forming unit, a measurement unit and a controller. The image carrier includes a central region on which a...
US20120051772 Image Forming Apparatus and Method for Controlling Charger  
An image forming apparatus including: one or a plurality of photosensitive drums; a plurality of chargers each having a grid, a voltage applying unit generating a charging voltage; a plurality of...
US20090310993 IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR  
An image forming apparatus capable of suppressing occurrences of image defects and maintaining the image density constant while improving the development ability. The image forming apparatus...
US20090291386 IMAGE FORMING APPARATUS AND METHOD OF FORMING COLOR IMAGE USING THE SAME  
Provided are an image forming apparatus and a method of forming a color image using the same. The image forming apparatus includes: an image forming medium forming a latent image and having a...
US20090003859 CHARGING APPARATUS AND IMAGE FORMING APPARATUS  
A charging apparatus which is excellent in charging uniformity and thus allows a to-be-charged body to be charged uniformly and in which the generation of discharge products can be reduced, is...
US20110246107 IMAGING APPARATUS AND METHOD OF PREDICTING THE PHOTORECEPTOR REPLACEMENT INTERVAL  
A system and method by which, in photoreceptor devices that use non-contact charging, an impending failure of a photoreceptor can be accurately estimated based on a determined thickness of a...
US20100061747 CHARGING VOLTAGE CONTROL METHOD OF IMAGE FORMING APPARATUS USING CONSTANT VOLTAGE CONTROL AND IMAGE FORMING APPARATUS THEREOF  
A charging voltage control method of an image forming apparatus and an image forming apparatus thereof. The charging voltage control method of the image forming apparatus includes: applying a...
US20090003860 Charging device, image forming apparatus, control method of charging device, control program, computer-readable storage medium recording control program  
In a charging device of the present invention, with reference to a state (movement speed of a charging receiving material, operating period of charging device) in which the charging device is used...
US20070166066 Image formation apparatus  
An image formation apparatus includes: a photoconductor; a charging section that applies a bias voltage having an AC voltage superposed on a DC voltage and charges the photoconductor; a controller...
US20150055965 METHOD OF DETERMINING PROCESS CONDITION OF IMAGE FORMING APPARATUS  
An image forming unit forms a plurality of measurement images based on a plurality of process conditions. A measurement unit measures the density of each of the plurality of measurement images. A...
US20100247122 CHARGING DEVICE AND IMAGE FORMING APPARATUS  
A charging device includes: a charging member; a charging power source that applies a charging voltage to the charging member; a temperature dependence storage unit that stores preset temperature...
US20140003828 IMAGE FORMING APPARATUS DETERMINING CHARGED POTENTIAL FLUCTUATION OF PHOTOSENSITIVE MEMBER  
An image forming apparatus includes: a photosensitive member driven rotary; a charging unit configured to charge the photosensitive member; an exposure unit configured to form an electrostatic...
US20130322902 Image Forming Apparatus  
An image forming apparatus includes: a first image forming unit for a monochrome printing including a first photosensitive member for black, a first charging member and a first collection member;...
US20130209117 IMAGE FORMING APPARATUS  
An image-forming apparatus includes: a first image-forming portion; a second image-forming portion; an executing portion for executing an operation in a first mode in which an image is formed on a...

Matches 1 - 50 out of 207 1 2 3 4 5 >