Abstract: The undesirable image defect of dragout of liquid ink development (LID) toned images generated from the development zone, formed by an imaging member and a metering/development member, can be prevented. Background development of the toned images is suppressed in an image enhancement zone. With the aid of an enhanced electrostatic field, created by an electrode biased at a voltage other than normal development bias in the metering zone, the toned layer can resist higher viscous forces. Image dragout, due to the viscous shear from liquid ink, can therefore be eliminated.

Abstract: An aqueous ink composition containing polymer, colorant, and zwitterionic component.

Abstract: A release agent (i.e. silicone oil) management system including a metering roll supported for contact with release agent material contained in a sump. The metering roll contacts a donor brush which, in turn, contacts one of a pair of fuser roll member. The donor brush comprises a rigid core having a non-woven felt layer adhered to the core. The felt layer provides a soft, nip forming layer. The felt layer is covered with a woven tube of Nomex to reduce the loss of loose fibers from the Nomex material. An oil barrier layer is provided between the Nomex tube and the felt layer for preventing or minimizing oil penetration into the oil permeable nip forming felt layer.

Abstract: A light beam optical system is provided according to the present invention for focusing light beams from a light source on the surface of a photoconductive drum and the like via an optical system. This light beam optical system is capable of adjusting focal dislocation with high precision without being influenced by adhesion of toner for forming an image and the like to the photoconductive drum and the like or by change in the position of a light receiving section generated due to temperature change and the like. The light beam optical system comprises an optical system for focusing light beams from a light source on a photoconductive drum, a light receiving section for detecting on which of the front side or the rear side of the photoconductive drum light beams are focused, and control device for controlling the optical system based upon the detected result so that light beams are focused on the photoconductive drum.

Abstract: A printing apparatus that prints images onto sheets includes a conditioner that scents selected images of a job. For example, the job can be a magazine that advertises a particular fragrance or fragrances. A fragrance or scent is placed in a reservoir which is transferred via a hydrophilic donor-like roll and deposited onto a sheet by way of a nip that is engaged only when scenting is required.

Abstract: The present invention relates to a method and apparatus for reusing an image recording material wherein a releasing property is imparted to at least a substrate surface of an image recording material on which an image has been formed of an image forming material containing a heat fusible ingredient, a heat fusible material is added or attached onto the image recording material, a stripping member is contacted under pressure with the heat fusible material while heating the heat fusible material together with the image recording materials to fuse, and the image recording material is peeled off from the stripping member to transfer the image forming material together with the heat fusible material to the stripping member, thereby reusing the image recording material. The materials for imparting a releasing property to the substrate surface include silicone compounds such as silane compounds, preferably those silane compounds containing fine particles such as silicone resins.

Abstract: The present invention provides an image-forming material which can be removed easily from image-receiving paper while maintaining the fixability to the image-receiving paper; a preparation process thereof, and the image-receiving medium. The image-forming material according to the present invention can be prepared by dispersing an oil phase, which contains an organic solvent, a binding resin, and a releasing agent composed of a hydrophobic resin and/or a wax, in an aqueous phase as oil droplets; removing the solvent from the dispersion; and incorporating the releasing agent by separating the residue from the aqueous phase. The image-forming material according to the present invention contains at least a binding resin and the above-described releasing agent and the releasing agent is contained in an amount of 30 to 90 wt % in solid content.

Abstract: An F-theta scan lens for a dual beam, dual wavelength raster output scanning system (ROS) has four lens elements with the third and fourth lenses forming a doublet having a negative refractive power. This four-element F-theta scan lens corrects for axial chromatic aberration and lateral chromatic aberration for both wavelengths and provides scan linearity.

Abstract: A conductive polymer coating comprising an arylamine charge transport compound, an oxidized arylamine charge transport compound salt, and a polymer binder, wherein the oxidized arylamine charge transport compound salt has a counter anion selected from the group consisting of hexafluoroantimonate and hexafluoroarsenate.

Abstract: An automatic document handler having a sheet separator-feeder mechanism for separating a sheet from a stack of such sheets and for forward feeding the separated sheet without damage to an image on the sheet. The automatic document handler includes a stacking tray having a surface for supporting a stack of sheets; air knife means positioned opposite the stack of sheets for separating a sheet at an end of the stack of sheets, and a sheet separator-feeder mechanism including a bi-level support plate having vacuum ports. The sheet separator-feeder mechanism is mounted toward the downstream end of the stacking tray relative to a direction of forward sheet movement, and applies a negative air pressure through the vacuum ports in the support plate.

Abstract: In a double-sided image forming apparatus for forming images on both front and back surfaces of a recording medium by two image forming units, an image position adjusting means is provided for matching the positions of the images formed on both front and back surfaces of a recording medium by the two image forming units.

Abstract: An electronic notebook assigns properties to digital ink of note marks and keywords to digital pages. The properties indicate the type of note mark and the keywords indicate general content of the note marks on a digital page. The notebook also synchronizes audio data with the note marks and permits audio highlighting. The electronic notebook provides an updatable database of note marks and audio that is capable of being searched based on the properties, keywords, and audio highlights.

Abstract: A process including:blending carrier particles;separating the resulting blended carrier particles from fine particles formed in blending; andblending the resulting blended carrier particles with toner particles to form a two component developer.

Abstract: A container for storing a supply of particles for use in a developer unit of an electrophotographic printing machine is provided. The container is fittable to an adapter having an adaptor feature therewith. The adaptor is associated with the developer unit. The container includes a body defining a chamber for storing particles therein. The body defines an aperture in the periphery of the body. The container also includes a cover for use in covering the aperture and a securing feature. The securing feature is associated with the cover. The securing feature cooperates with the adapter feature on the adapter to radially secure the cover with respect to the adaptor.

Abstract: A method of interrupting a job currently in the process of being printed from a print queue of a multifunctional printing system with an interrupt job having its origin in one of a first service or a second service is provided. The job currently in the process of being printed includes a page boundary, a set boundary and a job boundary. Additionally, the first service includes a first input device disposed locally with respect to the multifunctional printing system and communicates with a first memory section having one or more jobs developed with the first input device, while the second service includes a second input device disposed remotely of the multifunctional printing system and communicates with a second memory section having one or more jobs developed with the second input device. The method includes selecting a job from one of a first memory section and the second memory section. The job is designated as an interrupt job and transmitted to the print queue.

Abstract: A high voltage MOS transistor, for use in a thermal ink jet printhead, is fabricated with a single, uniformly thick layer of polysilicon that serves as a field plate over the drift region and a gate over the channel region. The fabrication of the drift region and associated drift oxide is performed in a sequence independent of the device channel stop and field oxide fabrication, allowing the drift region to be optimized by varying the thickness of the drift oxide. Using a field plate to increase the breakdown voltage of the device by reducing the concentration of the electric field, the device transconductance is increased by increasing the doping of the drift region without an attendant decrease in breakdown voltage.

Abstract: An apparatus for predicting a location of a sheet being transported along a path of movement after the occurrence of a sheet jam. A sheet jam detecting device is disposed along the path of movement of the sheet. The sheet jam detecting device detects the sheet jam along the path of movement and generates a sheet jam signal. A sensor is operatively associated with the transport to detect the continued movement of the transport after the jam detecting device detects the sheet jam. The sensor generates a transport signal. A processor is in communication with the jam detecting device and the sensor for receiving the sheet jam signal and the transport signal. The detector predicts the location of the sheet as a function of these signals. An apparatus of this type may be used in a printing machine for detecting the location of sheets after the occurrence of a sheet jam.

Abstract: Raster scanner assemblies, and machines which use such raster scanner assemblies, which produce spots having a variable spot dimension. Raster scanner assemblies according to the present invention include an electronic subsystem which produces both image data and a spot size control signal, a laser assembly which produces a polarized laser beam having a beam with a first dimension and which is modulated in accord with the image data, a variable aperture assembly which changes the first dimension of the laser beam, a rotating polygon having a plurality of facets sweeping the laser beam in a sweep plane, and a scan lens for focusing the laser beam onto an image plane. The variable aperture assembly beneficially includes both a liquid crystal cell, which receives the laser beam and the spot size control signal, and a polarizing filter.

Abstract: There is provided a method for a producing prints from a print job with a plurality of electronic pages divided into a first print job segment having a first number of electronic pages and a second print job segment having a second number of electronic pages. The method includes the steps of: a) storing the first print job segment in the electronic precollation memory, wherein the first print job segment is about equal to the electronic page capacity of the electronic precollation memory; b) printing N copies of each electronic page of the first print job segment stored in the electronic precollation memory; c) storing the second print job segment in the electronic precollation memory; and d) printing N copies of each electronic page of the second print job segment stored in the electronic precollation memory.

Abstract: A system for removal of toner particles from a transfer support member surface without the necessity of an independent toner recovery system. A cleaning blade on the transfer support member collects and accumulates residual toner particles. When a non-image area on the photoconductor passes beneath the blade, the blade is spaced from the photoconductor and a reverse bias applied to the transfer support member so that the accumulated particles are transferred to the photoconductive surface. Subsequently, the cleaning system associated with the photoconductive member removes these toner particles.