Printer Jamming Probability Assessment and Dynamic Method Selection
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Solution Overview
Problem
The one-sided continuous printing method, which allows for higher printing speed than double-side continuous printing, faces challenges with sheet jamming, as it can hold a larger number of sheets in the conveyance path, making it difficult and time-consuming to clear jams when they occur, and existing image forming devices do not adequately consider this aspect.
Innovation Solution
A printing system that includes a conveyance mechanism with a printing path and a reverse path, a control unit that selects between different double-side printing methods based on the number of sheets in the conveyance mechanism, and a determination unit that assesses the probability of sheet jamming, switching to methods with fewer sheets when the jamming probability is high to minimize jamming issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the one-sided continuous printing method is used, then printing speed is improved, but the number of sheets held in the conveyance path increases, making jam clearance more difficult and time-consuming
Solution Approach 1:
The system dynamically switches between one-sided continuous printing method and double-side continuous printing method based on real-time jamming occurrence probability assessment. When jamming probability is high, it switches to the method with fewer sheets in conveyance path; when low, it uses the high-speed one-sided continuous method, thus adaptively balancing productivity and jam clearance time.
Solution Approach 2:
The system changes the printing method parameter based on the assessed jamming occurrence probability. By monitoring probability parameters and switching between different printing methods (one-sided continuous vs. double-side continuous), the system optimizes the balance between printing speed and sheet quantity in conveyance path to minimize jamming impact.
2Productivity
If the one-sided continuous printing method is used, then printing speed is improved, but the complexity of managing sheet conveyance increases due to larger number of sheets in path
Solution Approach 1:
The system incorporates a feedback mechanism where the determination unit continuously assesses jamming occurrence probability based on sheet conveyance state, and the control unit adjusts printing method selection accordingly. This closed-loop feedback simplifies conveyance management by adapting to actual conditions rather than maintaining fixed complex procedures.
Solution Approach 2:
The printing method is dynamically selected based on real-time assessment of conveyance path conditions and jamming probability. This dynamic adaptation reduces the effective complexity of sheet conveyance management by switching between simpler (double-side continuous) and more complex (one-sided continuous) methods as needed.
3Reliability
If double-side continuous printing is used, then sheet jamming is reduced, but printing speed decreases
Solution Approach 1:
The system dynamically selects between double-side continuous printing method (lower jamming risk) and one-sided continuous printing method (higher speed) based on real-time jamming probability assessment. This allows the system to achieve both reliability and productivity by adapting the printing method to current conditions.
Solution Approach 2:
The system changes the printing method parameter based on assessed reliability conditions. When jamming probability is high, it switches to the more reliable double-side continuous method; when reliability is sufficient, it switches to the faster one-sided continuous method, thus optimizing the balance between reliability and productivity.
Data Source
AI summary
A printing system includes: a printing unit that performs printing on a sheet; a conveyance mechanism that has a printing path for guiding a sheet to a printing position of the printing unit and a reverse path for reversing the sheet passing through the printing position and guiding the sheet again to the printing position; a control unit that performs double-side printing processing depending on a plurality of methods in which maximum numbers of the sheets existing in the conveyance mechanism at the same time are different from each other; and a determination unit that determines a probability of sheet jamming occurring in the conveyance mechanism. When the determination unit determines that the jamming occurrence probability is high, the control unit selects the method in which the maximum sheet number is small, and performs the double-side printing processing in accordance with the selected method.