摘要:
A multicolor marking platform may include a marking engine with a storage device storing color standard data, a non-black color separation station, marking process stations to selectively mark a color test pattern on a target substrate, and a color control logic with color control applications to selectively control color characteristics of the marking engine by controlling the non-black color separation station or a marking process station; and a spectral sensor to detect each color test pattern on the target substrate and provide corresponding color measurement data to the color control logic. The color control logic may selectively control the non-black color separation station or a marking process station in response to the color measurement data and the corresponding color standard data in relation to the selected color control application. Various embodiments of the multicolor marking platform and a method for controlling color in same are also provided.
摘要:
A multicolor marking platform may include a marking engine with a storage device storing color standard data, a non-black color separation station, marking process stations to selectively mark a color test pattern on a target substrate, and a color control logic with color control applications to selectively control color characteristics of the marking engine by controlling the non-black color separation station or a marking process station; and a spectral sensor to detect each color test pattern on the target substrate and provide corresponding color measurement data to the color control logic. The color control logic may selectively control the non-black color separation station or a marking process station in response to the color measurement data and the corresponding color standard data in relation to the selected color control application. Various embodiments of the multicolor marking platform and a method for controlling color in same are also provided.
摘要:
A phase change inkjet printer is equipped with an agitator to prevent settling of metal particles in melted magnetic phase change ink. The agitator operates to agitate the melted magnetic phase change ink as the ink enters the printhead to maintain the metal particles in suspension within the melted ink.
摘要:
An electrophotographic marking device includes a xerographic marking module and an environmental control module which controls temperature and relative humidity inside the marking module. The environmental module has a main plenum chamber and a divided or split plenum chamber to create and supply two air streams with different temperatures and/or different humidities and/or different airflow volumes and/or airflow rates to a marking engine. A primary air stream plenum chamber is closed loop controlled by input from one or more temperature and/or humidity sensors in the xerographic module. A secondary air stream plenum chamber is open loop controlled by means of one or more temperature and/or humidity sensors in one or mode developer housings. Heating of the secondary air stream is achieved by heat generated in the developer housing(s) and/or one or more heaters distinct from the developer unit elements. The system achieves balanced, thermodynamically adjusted, air flows.
摘要:
A belt drive module and a corresponding method includes or employs a belt that moves along a path, at least one support roller or other structure that supports the belt as it moves along the path, a drive roller that effects movement of the belt along the path, a tension roller that applies a tension force to the belt in order to maintain engagement of the belt with the drive and/or support rollers, at least one processing station (e.g., an image processing station) disposed along the path that performs a process relative to a predetermined position of the belt, and a torque assist drive that applies a torque assist force Td at a location between the drive roller and the tension roller. Torque assist may be provided by a current limited DC motor or by a constant torque friction clutch applied to a roller, e.g., a stripper roller of an electrophotographic imaging system. Advantageously, the torque assist force Td facilitates accurate positioning of the belt (e.g., latent image registrations in a color imaging process employing multiple imaging processing stations) by reducing slippage between the drive roller and the belt that may be encountered due to belt wear, toner contamination and/or other debris.
摘要:
A phase change inkjet printer is equipped with an agitator to prevent settling of metal particles in melted magnetic phase change ink. The agitator operates to agitate the melted magnetic phase change ink as the ink enters the printhead to maintain the metal particles in suspension within the melted ink.
摘要:
A method of operating a digital printer comprises printing a machine-readable code and at least one test patch on at least one sheet. The photosensor detects the machine readable code on the moving sheet, and, in response to the detecting, initiates the photosensor reading the test patch on the moving sheet. The test patches can be distributed over many sheets, depending on the nature of the desired test routine and the type of sheet that has recently been output by the printer.
摘要:
A single pass, multi-color electrophotographic printing machine architecture uses a vertically oriented photoconductive belt. Transfer of the toner powder images occur at the lowermost portion of the photoconductive belt. The photoconductive belt is elliptically shaped, having a major and a minor axis. N image recording stations are positioned adjacent an exterior surface of the photoconductive belt on one side of the major axis thereof. N-1 image recording stations are positioned adjacent the exterior surface of the photoconductive belt on the other side of the major axis thereof. The image recording stations record electrostatic latent images on the photoconductive belt. This architecture optimizes image registration while minimizing the overall height of the printing machine.
摘要:
This is a novel xerographic marking system having a novel toner waste dispensing assembly. The assembly comprises a hermetically sealed outer box that houses a disposable waste toner container. The container is a biodegradable carton or bag that can be removed from the outer box when filled with waste toner. A feature of this invention is that the dispensing assembly can easily be retrofitted into existing marking systems. Also because the containers are inexpensive and biodegradable, the expensive prior art non-degradable waste containers and their adverse effect on the landfills can be avoided.
摘要:
An apparatus for developing a latent image recorded on a movable imaging surface, including: a reservoir for storing a supply of developer material including toner particles, the reservoir including a developer material mixing and transport area; a donor member being arranged to receive toner particles from the reservoir and to deliver toner particles to the image surface at locations spaced apart from each other in the direction of movement of the imaging surface thereby to develop the latent image thereon; and a climate system, associated with the reservoir, for maintaining the supply of developer material at a predefined temperature, the climate system includes a cooling element for supplying cool air to the developer material mixing and transport area, and a heating element positioned within air path for heating air to predefined temperature.