USB Type-C Printer Power Distribution and Error Resolution
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Solution Overview
Problem
Industrial small-sized printing apparatuses in business offices face challenges in rapidly identifying and resolving errors, as existing solutions are not user-friendly for quick error diagnosis and resolution.
Innovation Solution
A printing apparatus supporting USB type-C, equipped with a controller that predicts power consumption and optimally distributes power to connected devices, and provides error information and solutions to users through a user-friendly interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If power is distributed without prediction of power consumption, then power distribution is simple, but power distribution efficiency deteriorates
Solution Approach 1:
The controller performs preliminary prediction of power consumption for both the printing apparatus and external device before actual power distribution. This advance calculation allows the system to optimize power allocation efficiently without adding complex real-time control mechanisms during operation.
Solution Approach 2:
The system implements a feedback mechanism where the controller continuously monitors reception power from the external power source and adjusts power distribution based on predicted consumption patterns. This closed-loop control optimizes power distribution efficiency while maintaining manageable system complexity.
2Productivity
If error information is provided without prioritization, then all error information is provided, but user understanding time increases
Solution Approach 1:
The error information is segmented into priority levels, with critical errors presented first and less important errors following. This segmentation allows users to quickly address the most important issues without being overwhelmed by the complete set of error information, thereby reducing understanding time while maintaining comprehensive error coverage.
Solution Approach 2:
Different error information is presented with different levels of detail and prominence based on its importance. Critical errors receive prominent display with clear action requirements, while minor errors are presented with less emphasis. This localized quality adjustment optimizes the information presentation for rapid user comprehension and action.
Data Source
AI summary
A printing apparatus supporting USB type-C includes: a USB type-C interface configured to support a connection with an external device; a printing unit configured to perform printing; and a controller configured to control the supply of power to the external device. The controller checks a reception power received from an external power source, predicts the estimated power consumption of at least one of the printing apparatus and the external device, determines a supply power to be transmitted to the external device based on the reception power and the estimated power consumption, and transmits the supply power to the external device via the USB type-C interface.