Abstract: Provided herein is a method of remanufacturing a toner cartridge for use in a xerographic process, as well as a toner cartridge remanufactured by the disclosed method. According to one exemplary embodiment, the remanufacturing method includes electrically connecting a resistor of a predetermined resistance between a toner supply roll contact and a development roll contact, the resistor modifying the electric field between the toner supply roll and development roll, where the remanufactured toner cartridge includes toner of triboelectric charge properties different from the original toner.

Abstract: Systems and methods of determining a predicted usable life of components, such as a photoreceptor, associated with an imaging device. The systems and methods include a power source configured to increase an electric field across the photoreceptor. A sensor or array is configured to detect charge deficient spots (CDS) in a charge transport layer (CTL) of the photoreceptor as a result of increasing the electric field. The systems and methods are configured to determine the predicted useable life of the photoreceptor based on the detected CDS. The systems and methods are further configured to output a report of the estimation. The estimation is conducted at fixed or variable intervals throughout the life of the photoreceptor and/or imaging device.

Abstract: A cleaning blade lubricant including an acicular shape lubricant is provided. The cleaning blade lubricant is applied to a cleaning blade of an electrophotographic printing device for improving the cleaning performance of a cleaning blade of an electrophotographic printing device.

Abstract: Provided herein is a method of remanufacturing a toner cartridge for use in a xerographic process, as well as a toner cartridge remanufactured by the disclosed method. According to one exemplary embodiment, the remanufacturing method includes electrically connecting a resistor of a predetermined resistance between a toner supply roll contact and a development roll contact, the resistor modifying the electric field between the toner supply roll and development roll, where the remanufactured toner cartridge includes toner of triboelectric charge properties different from the original toner.

Abstract: The present disclosure describes a black single component toner with desirable fusing performance.

Abstract: A developer apparatus including a housing defining a chamber storing a supply of toner, and a developer roll disposed in the chamber, the developer roll configured to rotate about a longitudinal access to transport toner on a surface of the developer roll to a development zone. The developer apparatus also includes a charge/metering blade having a curved section configured to contact the surface of the developer roll so as to form an adjustable contact nip. The charge/metering blade also includes an overhang configured to control an amount of toner to enter the adjustable contact nip formed by the at least one curved section of the charge/metering blade.

Abstract: The present disclosure describes a color single component toner with desirable fusing performance.

Abstract: The present disclosure describes a black single component toner with desirable fusing performance.

Abstract: A printing device includes at least one printing engine that has actuators and sensors. At least one engine controller is operatively connected to the printing engine, the engine controller uses software to control operations of the printing engine. At least one non-volatile memory is operatively connected to the engine controller. The non-volatile memory stores values used by the engine controller to control operations of the printing engine. Further, at least one adapter card is operatively connected to the non-volatile memory and to the actuators and sensors. The adapter card stores data and receives sensor feedback from the sensors. The adapter card uses the data and the sensor feedback to control the actuators by bypassing the engine controller when communicating with the actuators. The adapter card provides adapter card feedback to the non-volatile memory.

Abstract: A method for minimizing cross-process non-uniformities in solid and heavy shadow regions of printed documents is provided. The method includes marking with a marking engine an image on an image bearing surface moving in a process direction; generating profile data of the image by sensing an optical characteristic of the image in a cross-process direction; adjusting at least one control actuator of the marking engine so as to shift the characteristic of a subsequent marked image in the cross-process direction to at least a target value; and generating a spatially varying tone reproduction curve to smooth the characteristic of the subsequent marked image towards the target value.

Abstract: A toner composition with a novel surface additive package for developing images. The additive package includes sol-gel silica, a PDMS silica, an organic spacer such as PMMA and two HMDS silicas. The toner composition exhibits improved control of voltage, higher print density, lower toner amount remaining on the roll, lower toner usage, and reduced drum contamination. The toner composition also exhibits improved dry rheological properties and improved fix properties. These improved properties make this toner composition useful for higher speed printing while using less toner.

Abstract: A printing device includes at least one printing engine that comprises customer replaceable units. At least one engine controller is operatively connected to the printing engine, and the engine controller uses software to control operations of the printing engine. At least one non-volatile memory is operatively connected to the engine controller. The non-volatile memory stores values used by the engine controller to control operations of the printing engine. Additionally, at least one adapter card is operatively connected to the non-volatile memory and to the customer replaceable units. The customer replaceable units each comprise a memory unit. The adapter card reads incoming print jobs before the print jobs are delivered to the controller and the adapter card accumulates and stores statistics relating to print jobs within the memory unit of the customer replaceable units. The adapter card passes the incoming print jobs to the controller in an unaltered manner.

Abstract: A system and method by which, in photoreceptor devices that use non-contact charging, an impending failure of a photoreceptor can be accurately estimated based on a determined thickness of a charge transport layer in the photoreceptor. The systems and methods may include measuring current delivered to the photoreceptor charge transport layer, measuring voltage of the photoreceptor transport layer, determining a slope of the charge device, determining the thickness of the charge transport layer based on at least one of the measured current value, voltage value, or charge device slope, and determining a photoreceptor replacement interval based on the determined thickness.

Abstract: A printing device includes at least one printing engine that has many sensors (first sensors and second sensors) and at least one engine controller operatively connected to the printing engine. The engine controller uses software to control operations of the printing engine. Also, at least one non-volatile memory is operatively connected to the engine controller. The non-volatile memory stores values used by the engine controller to control operations of the printing engine. At least one adapter card is operatively connected to the non-volatile memory and to the first sensors and second sensors. The first sensors correspond to the design of the controller and are items designed as original equipment of the printing device. To the contrary, the second sensors correspond to the design of the adapter card and are items designed to be installed in the printing device after the printing device is in post production, customer service.

Abstract: Disclosed are methods and apparatuses for characterizing the flowability of a dry powder, and particularly for use with toner particles. The methods and apparatuses use an optionally transparent or semi-transparent cylindrical container. When the container is partially filled with dry powder, the dry powder is aerated and torque measurements are then taken while rotating the container to determine the flowability of the dry powder.

Abstract: An apparatus and method that cleans a photoreceptor in a printing apparatus is disclosed. The method can include setting a voltage bias of an electrostatic cleaning brush in a printing apparatus to a first voltage bias. The method can include generating an image on media using a photoreceptor. The method can include cleaning the photoreceptor using the electrostatic cleaning brush operating at the first voltage bias. The method can include measuring operating conditions of the printing apparatus to determine an expected film accumulation rate on the photoreceptor. The method can include adjusting the voltage bias on the electrostatic cleaning brush to a second voltage bias based on the measured operating conditions.

Abstract: A printing device has a printing engine that is at least partially made up of a customer replaceable unit or units. An engine controller is operatively connected to the printing engine. The engine controller uses software to control the operations of the printing engine. A non-volatile memory is operatively connected to the engine controller. The non-volatile memory stores values used by the engine controller to control operations of the printing engine. An adapter card is operatively connected to the non-volatile memory and to the customer replaceable units. The customer replaceable unit has a memory unit and the adapter card reads data from the memory unit. The adapter card uses the data to directly alter values within the non-volatile memory by bypassing the engine controller when communicating with the non-volatile memory. Further, the adapter card alters the non-volatile memory without altering the software used by the engine controller.

Abstract: An apparatus (100) and method (200) that lubricates a cleaning blade in a xerographic printer is disclosed. The apparatus can include a charge receptor (110), movable in a process direction P, where the charge receptor can have a main surface (111). The apparatus can include a cleaning station (123) configured to clean the main surface of the charge receptor, where the cleaning station can include a cleaning blade (124) coupled to the main surface of the charge receptor. The apparatus can include a cleaning blade lubrication module (118) configured to place a lubrication stripe (160) on a portion of the main surface of the charge receptor at a selected time. The apparatus can include a controller (150) coupled to the cleaning blade lubrication module and coupled to the charge receptor. The controller can be configured to substantially park the cleaning blade in the lubrication stripe when the charge receptor is stopped.

Abstract: A toner composition with a novel surface additive package for developing images. The additive package includes sol-gel silica, a PDMS silica, an organic spacer such as PMMA and HMDS silica. The toner composition exhibits improved control of voltage, higher print density, lower toner amount remaining on the roll, lower toner usage, and reduced drum contamination. The toner composition also exhibits improved dry theological properties. These improved properties make this toner composition useful for higher speed printing while using less toner.

Abstract: Systems and methods of diagnosing a photoreceptor associated with an imaging device. The photoreceptor is configured to enter into a diagnostic cycle to complete a set number of cycles. A sensor or array is configured to a scan a component associated with the imaging device during each of the set of cycles to establish defect data. The defect data is analyzed to filter one or more charge deficient spots (CDS) from background noise in the defect data. The systems and methods determine whether the photoreceptor needs replacement based on the determined one or more CDS. The systems and methods are further configured to output a report of the determination. The determination is conducted at fixed or variable intervals throughout the life of the photoreceptor and/or imaging device.