Method and system for reuse of color measurement data for color verification of a printer, image forming apparatus, or multi-functional peripheral (MFP)
a color verification and color measurement technology, applied in the direction of digital output to print units, instruments, computing, etc., can solve the problems of color printer or mfp experiencing an interruption, color printer or mfp likely to change, and color conditions may experience a chang
Active Publication Date: 2019-07-04
KONICA MINOLTA LAB U S A INC
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Benefits of technology
The patent is about a method and system to save money and reduce waste by re-using color measurement data from previous pauses or jams during the color verification process of printers or MFPs. This helps to avoid using more toner or ink than necessary and reduces paper waste.
Problems solved by technology
In some situations, the color printer or MFP may experience an interruption, for example, a paper jam, during or after the color verification process.
After the paper jam is cleared, the verification process or procedure needs to be restarted, which results in the color printer or MFP having to re-print an entirety of the color charts from the beginning, for example, each and every page of the color chart, starting with page 1, since printer conditions can change after an interruption in the printing process.
Especially, in a case of jam, color conditions are likely to change.
The restarting of the verification process can result in lost time and use of additional materials.
Method used
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[0029]Reference will now be made in detail to the present preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers are used in the drawings and the description to refer to the same or like parts.
[0030]FIG. 1 is an illustration of an exemplary group or plurality of printing devices 40 in a print shop 10 in which a method or process for reusing color measurement data can be implemented in accordance with an exemplary embodiment. As shown in FIG. 1, the print shop 10 can include at least one at least one server 20, at least one client or client computer 30, and a plurality of image forming apparatuses, for example, printers or printing devices (or MFPs) 40. In accordance with an exemplary embodiment, the one or more printers or printing devices 40 can be connected, for example by a communication network (or network) 50 to one or more client devices 32 located outside of the print shop 10. In ac...
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An image forming apparatus, a method and a computer readable medium for color verification of an image forming apparatus are disclosed. The image forming apparatus includes a sensing device configured to read a color chart; and a processor configured to: perform a first color verification job; perform a second color verification job after the first color verification job when the first color verification job is interrupted, the second color verification job including one or more color patches from a previous color verification job; acquire measurement data from the previous color verification job; acquire measurement data from the second color verification job; and determine whether to re-use the measurement data of the previous color verification job based on one or more differences between the measurement data of the previous color verification job and the measurement data of the second color verification job.
Description
FIELD OF THE INVENTION[0001]The present disclosure generally relates to a method and system for reusing color measurement data, and more particularly, to a method and system for reusing color measurement data in color verification (or color validation) of color printers, multi-function peripherals (MFP) and / or image forming apparatuses, for example, after a paper jam occurs, which stops the color verification process.BACKGROUND OF THE INVENTION[0002]Maintaining consistent and uniform tones is a desired goal in image forming apparatus and devices. For example, it can be desirable for an image to appear the same no matter which rendering system renders the image and no matter how many times an image is rendered on a particular system. The image should exhibit, for example, the same lightness or hue each time it is rendered on a given system and no matter on which system it is rendered. For this reason, rendering engines, such as print engines in a printing system, are put through a co...
Claims
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IPC IPC(8): G06F3/12H04N1/60
CPCG06F3/1219G06F3/1259H04N1/6041G06F3/1208G06F3/1253H04N1/6036
Inventor WANG, EDDIEYAMAMOTO, KAZUTO
Owner KONICA MINOLTA LAB U S A INC