Abstract: A process for generating consistent high quality images for extended periods, consisting essentially of (1) providing a xerographic imaging, or printing apparatus; (2) adding thereto a stable two component developer composition comprised of resin particles, first pigment particles, second magnetite pigment particles, which are present in a greater amount than the first pigment particles, and blended flow additive particles; and carrier particles consisting of a ferrite core, or a steel core and a coating thereover selected from the group consisting of terpolymers of styrene, methacrylate, and triethoxysilane; and polymethacrylate, which coating has incorporated therein conductive particles; (3) forming electrostatic latent images, or magnetic images in the apparatus; and (4) developing the images formed, wherein the developer composition retains its electrical properties for over 2.5 million imaging cycles.

Abstract: An improved process for the development and fixing of electrostatic latent images which comprises (1) generating an electrostatic latent image on a photoconductive imaging member, (2) developing this image with a toner composition comprised of toner resin particles, pigment particles, and a wax component of a molecular weight of from about 500 to about 20,000, (3) transferring the developed image to a suitable substrate, and subsequently (4) fusing the transferred image with a compliant oil fuser roll, wherein the amount of fuser oil consumed is from about one microliter to about three microliters per page of developed image.

Abstract: This invention is directed to an improved process for developing electrostatic latent images comprising (1) providing a development zone situated between an imaging member and a transporting member, comprised of a stationary shell containing rotating magnets therein, (2) transporting synthetic developer composition into the development zone by causing rotation of the magnets in the stationary shell, (3) effecting movement of the imaging member in a direction opposite to the direction of movement of the rotating magnets, wherein the developer composition is desirably agitated in the development zone by magnetic means, and wherein developer particles are available immediately adjacent the imaging member; the developer particles comprised of toner resin particles and carrier particles comprised of resin particles and magnetite; with the distance between the imaging member and stationary shell being from about 0.1 millimeter to about 1.5 millimeters.

Abstract: An electrophotographic printing machine in which a magnetic toner image is transferred to a copy sheet from a photoconductive member and fused thereto. The toner image fused to the copy sheet is magnetized and the intensity of the magnetic field generated by the toner image detected to provide a continuous indication of the quality of the toner image fused to the copy sheet.

Abstract: Disclosed are improved positively charged electrostatic toner compositions comprised of a polyblend mixture of a crosslinked copolymer composition, and a second polymer, pigment particles, a wax component of a molecular weight of from 500 to about 20,000, and a charge enhancing additive. These compositions are particularly useful in imaging systems wherein release oils, such as silicone, are not required.

Abstract: A process for obtaining smudge resistant images and for preventing the deposition of unwanted toner particles in an imaging apparatus which comprises(a) providing a xerographic imaging apparatus,(b) adding an improved two component contamination free developer composition to said apparatus, which composition consists essentially of from about 50 percent to about 80 percent by weight of a resin comprised of the polymeric esterification product of a dicarboxylic acid and a diol comprising a diphenol of the following formula ##STR1## wherein R is selected from substituted and unsubstituted alkylene radicals having from about 2 to about 12 carbon atoms, alkylidene radicals having from 1 to 12 carbon atoms and cycloalkylidene radicals having from 3 to 12 carbon atoms; R' and R" are selected from substituted and unsubstituted alkylene radicals having from 2 to 12 carbon atoms, alkylene arylene radicals having from 8 to 12 carbon atoms and arylene radicals; X and X'; are selected from hydrogen or any alkyl radical h

Abstract: Disclosed is an improved, simple, economical process for generating documents, such as personal checks, suitable for magnetic image character recognition, which process comprises generating such documents with conventional xerographic methods in a high speed electronic laser printing device, and wherein there is selected as the developer composition a magnetic toner containing from about 20 percent by weight to about 70 percent by weight of magnetite particles, and from about 30 percent by weight to about 80 percent by weight of toner resin particles of styrene copolymers, such as a styrene butadiene copolymer, a styrene n-butylmethacrylate copolymer, or polyesters, and wherein the carrier particles are comprised of ferrite cores, coated with various polymeric resinous compositions.

Abstract: This invention relates to a conductive single component magnetic dry toner comprised of resins selected from polystyrene allyl alcohol copolymers, and epoxy resins, a magnetic material such as magnetite, and a conductive carbon black which is adhered and/or embedded on the surface of the copolymer or epoxy resin-magnetic material mixture. Such toner compositions, which have excellent conductivity, superior flow properties and low melt fusing temperatures, 95.degree. C.-130.degree. C., are useful for causing the development of images in commercial printers and recorders such as the Versatec printers.

Abstract: An improved conductive single component magnetic dry toner composition for use in developing images in electronic printing systems of a conductivity of from 10.sup.-6 to 10.sup.-8 (ohms/cm).sup.

Abstract: Disclosed is an improved toner composition comprised of a colorant and a copolycarbonate resin, which toner has an intrinsic viscosity of from about 0.10 to about 0.6 dl/gr. (deciliters per gram) a melt flow temperature (T.sub.f) of from about 70.degree. C. to about 125.degree. C., a flash fusing energy of from about 3 J/in..sup.2 to about 8 J/in..sup.2, (Joules per inch squared), and a glass transition temperature of from about 50.degree. C. to about 65.degree. C.

Abstract: An electrostatographic toner composition including a colorant and polyether polymer of a dihydric phenol and an alkylene ether glycol.