Image Forming Apparatus Color-Mode Nesting to Reduce Sheet Waste
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Solution Overview
Problem
Existing image forming apparatuses waste sheets when printing image data with different color modes due to the inability to adjust image processing accordingly, leading to inefficient use of sheet space.
Innovation Solution
The apparatus determines the color mode of incoming image data and adjusts it to a uniform mode for efficient placement in the main scanning direction, or postpones printing until compatible data is available, using a color mode management table to manage and combine data for optimal sheet utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If the image forming apparatus waits to receive the next image data and waits for printing until the width of the sheet is filled with pieces of image data in the main scanning direction, then sheet utilization is improved, but printing time is increased due to waiting
Solution Approach 1:
The system dynamically adjusts the nesting printing strategy based on color mode compatibility. When image data with different color modes is received, the system can choose to either wait for compatible data to maintain high sheet utilization or proceed with printing to reduce waiting time. This dynamic decision-making resolves the contradiction between maximizing sheet usage and minimizing printing delays.
2Adaptability or versatility
If the image forming apparatus receives image data for which a color mode different from that of the already received image data is set, then printing flexibility is improved, but sheet waste occurs due to inability to apply uniform image processing
Solution Approach 1:
The system applies different image processing methods to different regions (image data pieces) based on their color mode characteristics. By identifying the color mode of each image data piece and applying appropriate processing methods locally, the system can maintain printing flexibility for diverse color modes while ensuring uniform processing within each group, thereby preventing sheet waste.
Solution Approach 2:
The system changes the color mode parameter of image data to ensure uniformity within nesting groups. When image data with different color modes is received, the system can convert them to a common color mode or group them separately, enabling uniform image processing and maintaining the ability to perform nesting printing, thus preventing sheet waste while preserving printing flexibility.
3Productivity
If image data is divided into band areas for image processing, then processing efficiency is improved, but the ability to apply different image processing to multiple pieces of image data is reduced
Solution Approach 1:
The system segments image data into band areas for efficient processing while maintaining the ability to apply different processing methods to different segments. By dividing image data into manageable bands and applying appropriate image processing methods to each band based on color mode requirements, the system achieves both processing efficiency and adaptability for handling multiple pieces of image data with different characteristics.
Data Source
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AI summary
An image forming apparatus that prints a plurality of pieces of image data by placing the plurality of pieces of image data in a main scanning direction of a sheet includes a storage means for storing image data, and a control means for controlling, in a case where a color mode of received image data and a color mode of image data stored in the storage means are different from each other, whether to start printing the stored image data according to a print mode of the image forming apparatus.