Abstract: A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein at least one of the photogenerating layer and charge transport layer contains a phenazine.

Abstract: A system and method for managing customer orders associated with at least one printer device for consumable supplies under a contract. The method includes receiving printer usage data from at least one printer indicative of consumption of at least one consumable supply and calculating for each printer device based on the received print usage data associated with the printer device an allowed amount of at least one consumable supply that can be ordered for the printer device by a customer based on a contract. The method further includes receiving a customer order request for ordering an amount of a consumable supply for a printer device under the contract; determining whether the requested amount exceeds the allowed amount calculated for the consumable supply for the printer device, and limiting the amount of the requested consumable supply which can be ordered when the determination is positive.

Abstract: Systems and methods for performing fault analysis using numerically coded time series data are disclosed. First time series data, including a plurality of first time entries and an associated first data value for each first time entry, may be received for a machine variable for a first printer. Second time series data, including a plurality of second time entries and an associated second data value for each second time entry, may be received for the machine variable for each of a plurality of second printers. For each second printer, a similarity measurement may be determined for the first time series data for the first printer and the second time series data for the second printer. One or more closest matching second printers may be determined based on the similarity measurements. An association may be displayed between the first printer and each closest matching second printer.

Abstract: A toner bottle for use in a marking device with a feed mechanism. The toner bottle includes first and second compartments for holding fresh and waste toner, respectively. The feed mechanism allows fresh toner to be delivered to the marking engine from the bottle and waste toner to be returned to the bottle from the marking engine.

Abstract: A flame retardant includes an ion complex formed from compounds including at least one first compound each selected from sulfuric acid or a compound having a sulfonic acid group and a second organic compound each having a cationic moiety. The ionic complex includes ionic bonding of sulfuric acid or a sulfonic acid group in the at least one first compound and at least one cationic moiety in the at least one second organic compound. At least one of the at least one first compound or the at least one second organic compound includes a high-molecular-weight compound.

Abstract: A responder authenticity determination system, comprising: a responder that sends a response signal in response to a received signal; an interrogation signal generator that generates an interrogation signal having a random waveform; a transceiver that sends the generated interrogation signal to the responder, and receives a response signal from the responder; and an authenticity determination unit that determines authenticity of the responder based on the received response signal and the random waveform of the generated interrogation signal.

Abstract: A method and system is disclosed for developing a printer model from a reduced set of selected test patches. The model corresponds to a spot color editor controller having a sensitivity matrix model developed from a plurality of the patches to define printer operation. The sensitivity matrix is comprised of coefficients computed from an orthogonal disposition of the experimental patches within a selected sub gamut of the color printer gamut. A plurality of replicas of the experimental patches are run for achieving statistical significance.

Abstract: There is disclosed an improved fuser cleaning system in which a strip of flexible material, including first second and third portions, is fed from a source roll to a take-up roll in such a manner that a fuser roll is cleaned or oiled. A first detectable mark may be disposed on a side of the strip of flexible material in one of the first and second portions. During operation of the fuser cleaning system, the third portion is taken up by the take-up roll and when an amount of the third portion is taken up by the take-up roll, the first detectable mark is detected by a sensor and a signal, indicating that the amount of the third portion has been taken up by the take-up roll, is transmitted to a controller. A second detectable mark may be disposed on the side of the strip of flexible material.

Abstract: In accordance with the invention, there are jet stacks, ink jet print heads, and methods of making jet stacks and ink jet print heads. The method of making an ink jet print head can include providing a partial jet stack including a diaphragm, a plurality of port holes, and having an ink outlet side and providing a polymer planarized piezoelectric array. The method can also include bonding the polymer planarized piezoelectric array to a side opposite to the ink outlet side of the partial jet stack using an adhesive, wherein the partial jet stack is aligned such that the planarized polymer covers the plurality of port holes, and using the partial jet stack as a mask to extend the port holes through the polymer by ablating the polymer and an excess portion of the adhesive from the ink outlet side using a laser.

Abstract: System and methods providing a plurality of fusers, and one or more radius profiled media handling transports for transporting media in a radius, in an image forming device. The system includes one or more of a plurality of fusers, and radius profiled media handling transport devices arranged in a fashion allowing for improved throughput of media while reducing operating costs. The plurality of fusers allows for the use of individual low capacity fusers that are equal to or less than the overall capacity of the image forming device. Media transport devices transport media on stretch belts across a radius of rollers with a means for providing an adhering force for stabilizing the media to the belt. The rollers are arranged along one side of the frame, along which the media is transported, and a frame may contain an air plenum so as to allow for the drawing of a vacuum through the rollers. The media transport device allows for optimizing a configuration of the image forming device.

Abstract: An air filter is configured for incorporation in a solid ink umbilical interface to a printhead. The air filter includes a housing having a first component and a second component that mate to one another to form the housing with an internal cavity, the housing having an air inlet and an air outlet, an air filter media positioned within the housing to divide the internal cavity; and at least one retention tab extending from the housing to engage an ink umbilical connector housing at a position that locates the air outlet of the air filter proximate an ink nozzle array extending from the ink umbilical connector.

Abstract: A fixing device comprises a heating roll; an endless belt; and a pressurizing member that forms a pressure contact portion for pushing the endless belt against an outer peripheral surface part of the heating roll from an inner peripheral surface side of the pressurizing member so that a recording medium holding an unfixed image passes between the pressure contact portion and the heating roll, wherein the pressurizing member includes: a hard pressurizing member and a soft pressurizing member the hard pressurizing member, and the soft pressurizing member are disposed in a state in which a clearance is present between the hard pressurizing member and the soft pressurizing member in a specific region part so that at least a specific recording medium passes in a fixing region of the pressure contact portion in the rotating axis direction of the heating roll.

Abstract: Disclosed is an electrophotographic imaging member including a substrate; a charge generating layer; a charge transport layer with a hole transport material; and a protective overcoat layer having a silicone polyether additive with at least one carbinol function group; a polyol binder; a hole transport material; a curing agent; and an acid catalyst.

Abstract: A driving device for a liquid jetting apparatus includes an application unit and a controller. The application unit generates and applies a first voltage of a first waveform to a first pressure generating unit and generates and applies a second voltage of a second waveform to the second pressure generating unit to jet a liquid droplet outside a nozzle after pulling liquid inside the nozzle. The second waveform includes at least one of a third waveform corresponding to a jetting angle for changing a jetting direction from a reference direction by deforming a liquid level of liquid pulled inside the nozzle in a direction of pushing the liquid level outside the nozzle, or a fourth waveform corresponding to a jetting angle for changing the jetting direction from the reference direction by deforming the liquid level of liquid pulled inside the nozzle in a direction of further pulling the liquid level.

Abstract: According to aspects of the embodiments, there is provided methods and systems for correcting illumination defects in document handlers. A document handler successively moves an image-bearing sheet past an image sensor, when the edges of the document passes over the edge guide near a constant velocity transport roll the document tends to flick down onto the image sensor causing a lightness change at the edges. The proposed correction is dynamically adjusting the light source or dynamically adjusting the automatic gain control (AGC) of the imaging sensor. The method comprises characterizing an optical signal reflected from an image-bearing sheet as it passes a scan window, determining the illumination defects in at least one edge region based on the reflected signal, and adjusting the gain of the imaging sensor or the light level during receipt of the optical signal.

Abstract: An inkjet printing system controls an ink droplet mass by regulating a pressure in an ink reservoir. The printing system includes an ink reservoir, an air pressure device, an ink ejection device, and a controller. The ink reservoir is configured to contain a supply of ink and an air space above the supply of ink. The air pressure device is fluidly coupled to the air space above the supply of ink. The ink ejection device is fluidly coupled to the ink reservoir to receive ink from the supply of ink and to eject ink droplets onto an image receiving surface. The controller is coupled to the air pressure device and is configured to activate the air pressure device selectively to change a mass of the ink droplets ejected by the ink ejection device.

Abstract: This invention provides a steering rib for an ITB. These steering rib or ribs are applied to the ITB by placing the rib around a cylindrical fixture. The rib is held in place by a vacuum that is applied to the rib to hold it against the fixture until the rib is adhered to the inside surface of an ITB. Once the rib or ribbing is adhered to the ITB, a series of apertures directs compressed air against the rib and the ITB to release them from the fixture.

Abstract: A heating device includes: a heating member including a heat generation layer that generates heat by electromagnetic induction, and heating a recording medium by electromagnetic induction heating of the heat generation layer; and a pressure member configured to be movable in a direction approaching or away from the heating member, and forming a nip portion with the heating member therebetween, through which the recording medium passes, the pressure member being configured to include: a nip forming portion that forms the nip portion with the heating member therebetween in a state where the pressure member is set at a position in contact with the heating member while pressing; and a driving force transmission portion that is in contact with the heating member in a state where the nip forming portion is set at a position separated from the heating member and transmits a rotational driving force to the heating member.

Abstract: An apparatus and method for stripping media from a surface and useful in printing may include a first member, a fixing belt, a first nip, a second nip, and a stripping device including a curved stripping edge contacting the inner surface of the fixing belt, the stripping edge being defined by a radius of less than about 10 mm, the stripping edge being spaced from the first outlet end of the first nip by a distance of less than about 10 mm, and the fixing belt bending at a stripping angle of about 20° to about 30° at the stripping edge, the stripping device being adjustably movable by a mechanism to vary the distance from the stripping edge to the first outlet end of the first nip, wherein media are stripped from an outer surface of the fixing belt after exiting from the first outlet end of the first nip.