Printer Toner Notification Threshold Adjustment
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Solution Overview
Problem
Current printing apparatuses can only roughly detect toner remaining amounts, leading to potential printing failures due to inaccurate notifications of toner LOW, as they lack user-settable threshold values, resulting in notifications that do not align with actual toner levels.
Innovation Solution
A printing apparatus with a setting unit to allow users to choose between automatic or custom threshold settings for toner LOW notifications, enabling users to set a desired threshold value within a specific range, thereby improving the accuracy of toner level notifications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a predicted value is used to detect the toner remaining amount, then the toner remaining amount can be detected even when the detection capability is limited, but there may be a large difference between the predicted toner remaining amount and the actual toner remaining amount
Solution Approach 1:
The patent applies dynamics by making the threshold value adjustable rather than fixed. The threshold value can be dynamically changed based on user preferences and actual toner consumption patterns. This resolves the contradiction by allowing the system to adapt the notification threshold to match actual toner levels more closely, reducing the discrepancy between predicted and actual remaining amounts while maintaining the benefit of prediction-based detection.
2Adaptability or versatility
If the user is allowed to set the threshold value, then the user can customize notifications according to their needs, but the system complexity increases
Solution Approach 1:
The patent applies parameter changes by allowing the threshold value parameter to be modified within a specific range based on user input. Instead of adding a completely new complex system, the invention adjusts an existing parameter (threshold value) to provide customization. This resolves the contradiction by enabling user adaptability while keeping the system relatively simple through parameter adjustment rather than structural complexity.
Data Source
AI summary
A printing apparatus that sets a setting value to be used as a threshold value for notifying the user of a decreased amount of recording material, the setting value being one of a first setting indicating that a threshold value set by a user is to be used or a second setting indicating that the user-set threshold value is not to be used.