Image Forming Apparatus Maintenance Power Control
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Solution Overview
Problem
Current image forming apparatuses lack efficient and safe mechanisms for guiding users through complex maintenance tasks, particularly in ensuring operator safety and preventing equipment damage during power supply management during maintenance operations.
Innovation Solution
An image forming apparatus equipped with a display for guidance, a detection section to verify task execution, an energization controller to manage power supply to electric components, and a connection judging section to ensure safe power handling, which automatically blocks or resumes power to electric components based on connection status, displaying alarms and guidance when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the main power supply is turned off for maintenance, then operator safety is ensured, but the entire motion of the image forming apparatus is stopped and productivity is reduced
Solution Approach 1:
The power supply control is segmented into two independent systems: main power supply control and component-specific power supply control. The energization controller selectively supplies power to individual components (first and second electric components) based on maintenance needs, rather than controlling the entire apparatus power. This allows maintenance work on specific components without stopping the entire apparatus, improving productivity while maintaining safety through targeted power control.
2Reliability
If power supply is blocked to electric components during maintenance, then operator safety is improved, but equipment damage risk increases if power is not properly managed
Solution Approach 1:
The system employs feedback mechanisms through detection sections that monitor the connection status of electric components. The connection judging section receives detection results and provides feedback to the energization controller, which adjusts power supply accordingly. When a component is detected to be disconnected or in maintenance mode, the system automatically blocks power to that component, preventing equipment damage while maintaining operator safety. This closed-loop control ensures power management aligns with actual maintenance status.
3Reliability
If complex maintenance procedures are required, then thorough maintenance can be performed, but ease of operation deteriorates and operator complexity increases
Solution Approach 1:
The maintenance system operates autonomously through automatic detection and control functions. The detection section automatically identifies when components are in maintenance mode, the connection judging section determines connection status, and the energization controller automatically manages power supply without requiring manual intervention. The display section provides automated guidance to operators. This self-service mechanism performs thorough maintenance control while simplifying operator tasks, reducing maintenance complexity while maintaining high maintenance quality.
Data Source
AI summary
Disclosed is an image forming apparatus, a sheet finisher and an image forming system; each of them including: a display for displaying a work item for a maintenance in the form of a guidance display; a detection section for detecting whether the work item is executed or not; an energization controller for supplying/blocking power supply to electric components to be maintained; a connection judging section for judging whether the electric components are electrically connected with the power supply or not; and a controller for controlling the display to switch displays of the work item and for controlling the energization controller, in accordance with a detection result of the detection section; wherein the controller causes the display to display an alarm and a guidance display of a corresponding work, according to a judgment of the connection judging section.