Display Controller for Automatic Operation Procedure Rotation
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Solution Overview
Problem
Image forming apparatuses, such as copiers and facsimile machines, lack user-friendliness in guiding operators through error removal procedures, as existing systems require manual switching of display screens for each operation step.
Innovation Solution
An image forming apparatus with a display controller that automatically switches and displays a series of operation steps in rotation, allowing operators to follow the error removal procedure without manual screen switching, using a display portion to show the next operation step and highlighting completed tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual screen switching is used for error removal procedure guidance, then the display system maintains simple structure, but user-friendliness and operational efficiency deteriorate
Solution Approach 1:
The display system automatically switches between operation screens without requiring manual user input. The display control unit autonomously determines when to advance to the next screen or return to previous screens based on error removal procedure progression, making the system serve itself rather than requiring continuous user intervention for navigation.
Solution Approach 2:
The system prepares and queues multiple operation screens in advance before the user needs them. The display control unit pre-loads the sequence of screens that will be needed for the error removal procedure, so when the procedure starts, the screens are already ready to be displayed in the correct order without delay.
2Productivity
If automatic screen switching is implemented for operation procedure display, then operational efficiency improves, but device complexity increases
Solution Approach 1:
The display control unit autonomously manages the sequencing and timing of screen transitions without requiring external control signals for each transition. The system self-regulates the display progression based on the error removal procedure state, reducing the need for complex user interaction protocols and manual switching mechanisms.
3Loss of information
If multiple operation screens are displayed sequentially, then complete procedure guidance is achieved, but user confusion increases due to manual switching requirements
Solution Approach 1:
The automatic screen switching ensures continuous display of the error removal procedure without interruption or pause for manual switching. The display control unit maintains a seamless flow of information by automatically transitioning between screens in the correct sequence, ensuring the user receives uninterrupted guidance through the entire procedure.
Solution Approach 2:
The display control unit monitors the state of error removal and automatically adjusts screen display accordingly. When an error is detected or a step is completed, the system provides feedback by automatically switching to the appropriate next screen or returning to a previous screen, creating a responsive interaction loop that reduces user confusion.
Data Source
AI summary
An image forming apparatus is provided with a display device for displaying an operation guide to an operator, and a display controller for causing the display device to display an operation procedure comprised of a plurality of operations as the operation guide while automatically switching the respective operations in rotation.