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7514190 Method for forming an electrophotographic image  
An electrophotographic image forming method is disclosed, which includes the steps of developing an electrostatic image on a electrophotographic photoreceptor by a developer, transferring a toner...
7459257 Image forming apparatus and image forming method  
An image forming apparatus of the present invention comprises an image carrier, a lubricant application device that applies a first lubricant to the image carrier surface, and a developing device...
7449271 Electrophotographic photoconductor and methods therefor  
An electrophotographic photoconductor and method that seldom generate cracks even while recycling a photoconductor drum and peripheral members or in a liquid developing process, and thereby produce...
7171152 Image-forming apparatus and image-forming method  
An image-forming apparatus with multiple toner image-forming units that form toner images by developing electrostatic latent images by means of a developer containing a nonmagnetic toner and a...
7078138 Apparatus and method for forming image forming  
An electrostatic image forming apparatus is disclosed. The image forming apparatus contains a toner used in the developing means having saturated moisture content at a temperature of 30° C. and a...
6986978 Apparatus for forming image, process cartridge and process for regenerating the same  
An apparatus for forming an image that can stably provide an image for a long period of time is provided by using an electrophotographic photoreceptor having, as the outermost layer, a hard film...
6706459 Electrophotographic drum-shaped photoconductor and image forming method and apparatus using the same  
An electrophotographic drum-shaped photoconductor has an electroconductive support and a photoconductive layer formed thereon, with a lubricating material being applied to the surface thereof in...
6591075 Cleaning method of toner image carrying body, cleaning device of the toner image carrying body and image forming apparatus equipped therewith  
A cleaning method of a toner image carrying body, includes the steps of: bringing a discharging member formed in a shape of flexible plate having electric conductivity, which is electrically...
6517985 Electrophotographic developer and process for forming image  
An electrophotographic developer is provided that attains improvement in reliability by improvement in cleaning property and reduction in wear of a photoreceptor in a well-balanced manner without...
6461780 Electrophotographic photoreceptor, image forming method, image forming apparatus, and processing cartridge  
An electrophotographic photoreceptor is disclosed. The photoreceptor has a difference in ionization potential between the photosensitive layer and the hardenable resinous layer of not more than 0.4...
6334042 Side shifting cleaning apparatus and method  
A method and apparatus for increasing the useful life of cleaning members within an image forming apparatus by side shifting a cleaning member laterally in relation to a photoreceptor. In various...
5715512 Apparatus and method for removing residual developer remaining on a photosensitive element  
In an electrophotographic image forming machine, an alternating current (AC) voltage is applied by an AC electric source with a constant frequency to a conductive wire and an electrode plate so...
5702858 Toner  
Toner used for electrophotographic development includes additives such as inorganic fine particles, having a particular particle diameter and specific surface area, and hydrophobic silica having a...
5622781 Coated substrate for use as a toner recording medium and method of making same  
A toner recording medium including a substrate, such as paper, containing a coating composition of particulate silica and a polyvinyl alcohol in a coating weight of less than 2.0 g/m 2 per side of...
5349426 Toner guide roller for image-forming process and apparatus applied therewith  
An image forming apparatus, such as a copier and a printer, for forming a toner image on a recording sheet. The apparatus includes: a photoreceptor for holding the toner image; an image exposure...
5051332 Electrophotographic image forming method using one component toner and simultaneous cleaning and developing  
An image forming method which includes the steps of providing a developing agent holder for holding one component developing agent layer arranged to contact a latent image holder, developing a...
5003354 Method of removing a film from an image carrier of an image forming apparatus  
A method of removing a film from a photoconductive element of a color copier or similar image forming apparatus. At a suitable time when an image forming mode operation for forming a toner image on...
RE33484 Cleaning device for a monochromatic copying machine  
A cleaning device for a monochromatic copying machine for processing residue toner removed by a blade assembly from a photoreceptor, which machine is of a type capable of accommodating selectively...
4829337 Cleaning device for a photoconductive printer or copier  
A cleaning device for removing residual developer particles from a photoconductive element, such as a photoconductive belt, comprises a cleaning sleeve having a length substantially equal to the...
4827311 Apparatus for cleaning particulate matter from a moving web  
Apparatus for cleaning particulate matter from a moving web, such apparatus being held in effective cleaning contact therewith. The apparatus includes a member, which is at least partially formed...
4770969 Heat fusible toners for developing electrostatic images  
Heat fusible toner for developing an electrostatic latent image comprising a heat fusible binder, a coloring agent, and optionally containing a magnetic substance, wherein the elasticity of the...
4739370 Cleaning device  
A cleaning device which ensures perfect cleaning of the surface of an image bearing member by a cleaning device for cleaning toner remaining on the surface of the image bearing member and a...
4615613 Charge particle removal device  
Cleaning apparatus for removing residual toner particles from a charge retentive surface. The apparatus utilizes a cleaning brush to which an electrical bias is applied in order to enhance the...
4571071 Cleaning apparatus and method for a polychromatic electrophotographic copier  
A cleaning apparatus and method for removing residual toner from a photoconductor in a color copier. The apparatus includes a magnetic brush for removing color toner particles from the...
4568176 Method for maintenance of image forming device and member therefor  
A method for maintenance of an image forming device having an image forming member which forms visible images from electrostatic latent images comprises maintaining the image forming ability of...
4530595 Toner cleaning method and apparatus in which voltage is impressed between electrostatic image holder and a film member  
A method and apparatus for cleaning toner from the surface of an electrostatic image holder wherein a film member comprising superposed insulating and conductive layers is positioned close to an...
4521097 Electrophotographic image recording method and apparatus  
An electrophotographic method and apparatus for recording micrographic images as high resolution positive or reversal transparencies. Plural planar reusable electrophotographic plates are mounted...
4479709 Cleaning method for electrophotography and means therefor  
A method of cleaning off a residual toner from the surface of an image forming member in an electrophotography apparatus comprises applying an alternating electric field between the surface of the...
4477174 Developing device  
A two-cycle electrophotographic copying apparatus includes a rotatable charge retaining member, a charging device, an exposure mechanism, a developing device and a transferring device sequentially...
4428665 Apparatus, process for removal of toner particles  
The present invention is directed to a process and an improved apparatus for simultaneously removing and transporting undesirable residual insulating toner particles from a flexible imaging member...
4416537 Cleaning system  
An apparatus in which a belt transports cleaning material into contact with particles adhering to a substantially rigid member. The belt is maintained at a pre-selected tension. In this way, the...
4378421 Cleaning method and apparatus for an electrographic system  
A method and apparatus for cleaning residual toner from the surface of an imaging member in an electrographic imaging system which uses carrier means to transport toner by triboelectric forces to...
4201465 Drum cleaning process and apparatus for electrophotography  
Charging, imaging, developing, transfer and cleaning units are operatively arranged about the circumference of a rotary photoconductive drum, the developing unit comprising a magnetic brush. A...
4190351 Copying machine with electromechanical scavenger assembly and process  
In an electrostatic copying method and apparatus employing a two-component image-developer composition comprising magnetizable carrier particles and toner pigment particles, the removal of...
4129072 Electrostatic printing  
The disclosure describes an improved electrostatic printing in which cleaning step and developing step are united together as single combined step. It is possible to carry out charging step and...
4121947 Method of cleaning a photoreceptor  
Charged residual toner is removed from a photoreceptor by simultaneously (1) exposing the photoconductive layer of the photoreceptor to light, (2) charging the photoconductive layer to the same...
4111546 Ultrasonic cleaning apparatus for an electrostatographic reproducing machine  
An electrostatographic reproducing apparatus and process include a system for ultrasonically cleaning residual material from the imaging surface. Ultrasonic vibratory energy is applied to the air...
4112156 Magnetic toner recovery method using alternating magnetic field polarities  
Airborne magnetic toner is recovered from the vicinity of a magnetizable recording medium by magnetically attracting the toner with a magnetic field which does not alternate in magnetic polarity...
4026701 Gas impingement and suction cleaning apparatus  
An apparatus and process for cleaning the surface of an electrostatographic imaging member and an electrostatographic reproducing machine utilizing the cleaning apparatus. A device is provided for...
3998634 Powder electrophotographic method  
An electrophotographic method comprising image-wise exposing the surface of a support having thereon (a) first photoconductive powders either positively or negatively electrically charged and (b)...
3994725 Method for enhancing removal of background toner particles  
In an electrostatic copying apparatus, background toner particle removal is enhanced by employing a corona emission device between a development station and a background toner removal station. The...
3762950 CLEANING OF PARTICLES FROM A SURFACE  
Cleaning of particles from a surface, in particular toner particles from an electrostatographic recording surface, by confining a mass of a soft, non-tacky material which becomes fluid upon the...
3632337 AN ELECTROSTATIC IMAGING PROCESS WHEREIN THE DEVELOPER INCLUDES BORON NITRIDE  
Wetting by toners of the surface of reusable photoconductors in electrophotographic processes results in image cycling in adhesion of the toner to the photoconductor surface to form a film. Such...
3526457 CLEANING APPARATUS FOR ELECTROSTATIC COPYING MACHINES  
3411932 Quality xerographic reproductions  
3332328 Xerographic developer seal and process  
3287150 Cascade development process with two-component developer  
3108895 Method and apparatus for erasing developed images  
3100426 Electrophotographic printers  
2965756 Electrostatic charging apparatus  
Matches 1 - 50 out of 52 1 2 >