Patent application number | Description | Published |
20080279582 | ELECTROPHOTOGRAPHIC APPARATUS - The present invention is an apparatus for refurbishing a fusing member. The apparatus includes a fusing member that contacts the toner image on a receiver medium and fuses the toner image to the receiver medium. The fusing member has an outer contact surface of a fluorothermoplastic resin The apparatus includes a tooling member positionable adjacent to the outer contact surface of the fusing member such that a pressure nip is formed between the outer contact surface of the fusing member and the tooling member. A heat source is provided for transferring heat to the fusing member and the tooling member, wherein the surface of the fuser member is engagable with the tooling member to rotate at a speed of at least 1 rpm at a pressure of at least 5 psi and at a temperature of at least 10° C. below the thermoplastic melting temperature of the outer contact surface for a time sufficient to resurface of the outer surface of the fuser member. | 11-13-2008 |
20080279587 | DIGITAL MULTI-COLOR PRINTING MACHINE - A printing unit for a digital multi-color printing machine, in particular for an electrophotographically operating, preferably sheet-printing printing machine, said printing unit comprising at least one transfer element ( | 11-13-2008 |
20090250830 | ELECTROPHOTOGRAPHIC APPARATUS - The present invention is an apparatus for refurbishing a fusing member. The apparatus includes a fusing member that contacts the toner image on a receiver medium and fuses the toner image to the receiver medium. The fusing member has an outer contact surface of a fluorothermoplastic resin The apparatus includes a tooling member positionable adjacent to the outer contact surface of the fusing member such that a pressure nip is formed between the outer contact surface of the fusing member and the tooling member. A heat source is provided for transferring heat to the fusing member and the tooling member, wherein the surface of the fuser member is engagable with the tooling member to rotate at a speed of at least 1 rpm at a pressure of at least 5 psi and at a temperature of at least 10° C. below the thermoplastic melting temperature of the outer contact surface for a time sufficient to resurface of the outer surface of the fuser member. | 10-08-2009 |
20100247162 | DEVELOPER STATION FOR AN ELECTROGRAPHIC PRINTER HAVING REDUCED DEVELOPER AGITATION - A developer station and method for an eletrographic printer is provided that reduces developer agitation. The developer station includes a sump of magnetic developer, and a magnetic brush roller mounted above said sump and having a rotatable magnetic core surrounded by a substantially cylindrical toning shell rotatably mounted with respect to the core. The toning shell defines a nip at its closest point to the photoconductor element. A tangent line tangent to the cylindrical toning shell at the nip is oriented substantially vertically, and the magnetic developer is applied to the toning shell at an angular distance of no more than about 120° from said nip. The toning shell may be eccentrically mounted with respect to the magnetic core and is substantially closest to the rotatable magnetic core within about +30° and −30° from said nip. Such a configuration advantageously reduces the residence time of the developer on the toning shell. | 09-30-2010 |
20100329708 | FUSING APPARATUS FOR HIGH SPEED ELECTROPHOTOGRAPHY SYSTEM - A fuser and receiver release system and method are provided for improving the release of receivers in high speed of printing systems. This system controls the release of a receiver in conjunction with a fuser in a printing system, and specifically the efficiency and accuracy of the release system. One embodiment of this method includes a belt fuser that allows the separating of the heat transfer and release functions of the fuser such that fuser roller could be made of hard metal core that can be heated to high temperatures without the fear of delaminating elastomeric coatings which are common in roller fusing. | 12-30-2010 |
20110020024 | OPTIMIZED FUSING FOR HIGH SPEED ELECTROPHOTOGRAPHY SYSTEM - A fuser and receiver release system and method are provided for improving the release of receivers in high speed of printing systems. This system controls the release of a receiver in conjunction with a fuser in a printing system, and specifically the efficiency and accuracy of the release system. One embodiment of this method includes a belt fuser that allows the separating of the heat transfer and release functions of the fuser such that fuser roller could be made of hard metal core that can be heated to high temperatures without the fear of delaminating elastomeric coatings which are common in roller fusing. | 01-27-2011 |
20110116812 | 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 prior to fixing, on the receiver by the multi-development station. | 05-19-2011 |
20110116814 | ERROR CORRECTION IN A MULTICOLOR ELECTROPHOTOGRAPHIC PRINT ENGINE - 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 prior to fixing, on the receiver by the multi-development station. | 05-19-2011 |
20110116838 | DUAL DIVERTER - 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 prior to fixing, on the receiver by the multi-development station. | 05-19-2011 |
20110116840 | Multicolor electrophotographic print engine - 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 prior to fixing, on the receiver by the multi-development station. | 05-19-2011 |
20110116845 | MULTIPASS ELECTROPHOTOGRAPHIC PRINT ENGINE - 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 prior to fixing, on the receiver by the multi-development station. | 05-19-2011 |
20110117487 | JOB ERROR CORRECTION IN A MULTICOLOR ELECTROPHOTOGRAPHIC PRINT ENGINE - 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 prior to fixing, on the receiver by the multi-development station. | 05-19-2011 |
20110277613 | FINISHER FOR CUTTING OR SCORING RECEIVER - A finisher for a receiver moving in a feed direction includes a cutting device having a cutting blade and a scoring blade on opposite sides of the receiver and oriented perpendicular to the feed direction, and a scoring notch on the opposite side of the receiver from, and parallel to, the scoring blade. An actuator selectively causes the scoring blade to engage the scoring notch as the receiver moves between the scoring blade and scoring notch, so that the receiver is scored, or causes the cutting blade to engage the scoring blade, so that the receiver is cut. A controller receives a job specification including one or more cut or score location(s) on the receiver and causes the receiver to be cut at the cut location(s) or scored at the score location(s). | 11-17-2011 |
20110283855 | SLITTER WITH TRANSLATING CUTTING DEVICES - Apparatus for cutting a moving receiver includes a plurality of cutting devices and a transport mechanism for selectively moving the cutting devices perpendicular to the feed direction of the receiver. Each cutting device includes two parallel cutting wheels and a pressure wheel arranged so that the cutting wheels are pressed laterally against the pressure wheel to form two cutting areas and a chad area arranged laterally between the cutting areas. A drive mechanism rotates the cutting wheels or pressure wheel of two or more of the cutting devices so that the rotating cutting wheels engage the moving receiver to cut the moving receiver parallel to its feed direction. A controller receives a job specification including two or more specified cut locations and causes the transport mechanism to laterally position two or more of the cutting devices to cut the moving receiver in the specified cut locations. | 11-24-2011 |
20110286778 | ELECTROPHOTOGRAPHIC PRINT BINDING SYSTEM - Systems for producing bound electrophotographic prints are provided. In one aspect there is provided a system with a print engine having a printing module to form a toner image on a receiver, a fuser with a heater that heats the toner image to fuse the toner image to a receiver to form a print, a stacking system that stacks the print and a sheet in a stacking area with the fused toner image between the print and the sheet. A heating system has a heat source that applies a heat along an edge of the stack, and a controller that causes the toner image to have toner in a binding area proximate to the heated edge of the stack and in an image area that is separated from the binding area by a separation area. A portion of the heat applied at the edge of the stack heats the binding area to cause toner in the binding area to fuse for a second time and a residual portion of the heat applied heats the separation area, but the separation area does not heat the image area to an extent sufficient to fuse toner in the image area. | 11-24-2011 |
20110286779 | ELECTROPHOTOGRAPHIC PRINT BINDING METHOD AND SYSTEM - Methods and printers are provided for forming bound electrophotographic prints are provided. In one aspect, the method comprises the steps of applying a toner to a receiver to form a toner image with having toner in a binding area and in an image area. The binding area is proximate to a binding edge of the receiver and the image area that is separated from the binding area by an separation area; (printers). The toner image is fused to form a print, and a sheet and the prints are stacked with the toner in the binding area of the print confronting the sheet along a binding edge of the sheet. Heat is applied at the binding edges to cause the toner in the binding area to fuse for a second time. A residual portion of the applied heat heats the separation area but the separation area does not heat the image area to an extent sufficient to fuse toner in the image area. | 11-24-2011 |
20110287357 | ELECTROPHOTOGRAPHIC PRINT BINDING METHOD - Methods for forming bound electrophotographic prints are provided. In one aspect a method comprises the steps of applying a toner to a receiver to form a toner image with having toner in a binding area and in an image area. The binding area is proximate to a binding edge of the receiver and the image area that is separated from the binding area by an separation area. The toner image is fused to form a print, and a sheet and the prints are stacked with the toner in the binding area of the print confronting the sheet along a binding edge of the sheet. Heat is applied at the binding edges to cause the toner in the binding area to fuse for a second time. A residual portion of the applied heat heats the separation area but the separation area does not heat the image area to an extent sufficient to fuse toner in the image area. | 11-24-2011 |
20110292437 | METHOD FOR PRINTING A SET OF IMAGES - Methods for operating a printer are provided. In one aspect, a method has the steps of receiving image data and production data for printing a set of images with each image having a defined size and shape, determining a finishing configuration of a finishing system; and determining a priority setting between an output rate priority and an efficiency priority. The images are organized for printing on the receiver in the defined sizes and shapes based upon the determined priority and the finishing configuration and the images are printed on the receiver as organized. The receiver is finished to provide prints of the images each having the defined size and shape for that image. | 12-01-2011 |
20110293349 | PRINTER WITH VARIABLE LENGTH RECEIVER SUPPLY - Printers with variable receiver supply are provided. In one aspect a printer is provided having a source of image data and production data for use in printing a set of images, with each image having a defined size and shape and a receiver supply having a web of receiver and a cutter adapted to cut the web of receiver to a determined length. The printer also has print engine to print the images on the receiver and a finishing system that is configurable between at least two configurations. A user input system receives user input from which a priority setting can be determined between an output rate priority and an efficiency priority; and a controller determines the configuration of the finishing system, receives the image data and production data and determines a priority setting. The controller determines an organization of the images for printing the images on the receiver in the defined sizes and shapes based upon the determined priority setting and the determined configuration of the finishing system and the controller determines a length of the receiver based on the organization of the images and causes the cutter to cut the web of receiver to supply the determined length of the receiver. | 12-01-2011 |
20110293351 | PRINT CUTTING SYSTEM - Printer cutting systems are provided. In one aspect, a cutting system has a plurality of cutting devices joined to a frame at different locations within a cutting width of a print transport path. Each of the cutting devices is movable between a first position with a cutter interposed in the print transport path to cut the print as it is moved along the transport path and a second position with the cutter removed from the transport path and each of the cutting devices has a contact surface that moves the cutting device between the first position and second position when engaged. A cam is movably mounted to the frame proximate to the cutting devices and extending across the cutting width of the print transport path, having sets of lobes arranged at a plurality of positions on an outer surface of the cam so that the lobes in each set engage selected ones of the contact surfaces in a manner that causes selected ones of the cutting devices to be moved to the first position and so that movement of the cam to a different position causes a different set of lobes to engage the contact surfaces. A cam actuator that moves the cam in response to signals from a cutting system controller; and a sensor that senses a condition from which the position of the cam can be determined and that provides a signal to a cutting system controller from which the cutting system controller can determine the position of the cam, wherein the cutting system controller receives a signal from which the cutting system controller can determine which combination of cutters is to be used to cut a print and adjusts the position of the cam to cause a desired combination of cutters to be used when that print passes the cutting system. | 12-01-2011 |
20120207515 | MULTICOLOR ELECTROPHOTOGRAPHIC PRINT ENGINE - 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 prior to fixing, on the receiver by the multi-development station. | 08-16-2012 |
20120263488 | FUSING APPARATUS FOR HIGH SPEED ELECTROPHOTOGRAPHY SYSTEM - A fuser and receiver release system and method are provided for improving the release of receivers in high speed of printing systems. This system controls the release of a receiver in conjunction with a fuser in a printing system, and specifically the efficiency and accuracy of the release system. One embodiment of this method includes a belt fuser that allows the separating of the heat transfer and release functions of the fuser such that fuser roller could be made of hard metal core that can be heated to high temperatures without the fear of delaminating elastomeric coatings which are common in roller fusing. | 10-18-2012 |
20120301176 | ELECTROSTATOGRAPHIC CLEANING BLADE MEMBER AND APPARATUS - A cleaning blade member comprises a polymer substrate and an outermost layer consisting essentially of a non-particulate, non-elastomeric ceramer or fluoroceramer and nanosized inorganic particles that are distributed within the non-particulate ceramer or fluoroceramer in an amount of at least 5 weight % and up to and including 50 weight % of the outermost surface layer. These cleaning blade members can be used to advantage in apparatus for providing electrophotographic or electrostatographic images. | 11-29-2012 |