MFP Error Recovery Digest via Key Frame Segmentation
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Solution Overview
Problem
Image processing apparatuses, such as MFPs, face challenges in efficiently guiding users through error recovery processes, particularly for inexperienced users, as existing methods require watching lengthy video guides that include irrelevant parts, leading to user impatience and increased labor in design due to numerous possible error locations.
Innovation Solution
The apparatus includes a display, memory for storing multiple key frames of a video guide, and an error sensor that allows the display to show a digest of key frames with an operation button for playback, enabling users to quickly access relevant recovery steps without replaying the entire guide.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the MFP displays the entire video guide for error recovery, then inexperienced users can learn the complete recovery process, but users feel impatient and waste time watching irrelevant parts
Solution Approach 1:
The video guide is segmented into multiple key frames representing different stages of the error recovery process. The system displays only the key frame corresponding to the detected error type, dividing the complete video guide into manageable segments that can be selectively presented to users based on their specific error condition.
Solution Approach 2:
The system performs preliminary analysis of the error type detected by the error sensor before displaying the video guide. Based on this preliminary identification, the system pre-selects and displays only the relevant key frame portion of the video guide that corresponds to the specific error, preventing users from watching irrelevant content.
2Loss of time
If the MFP displays only an approximate location of the error, then users can quickly identify the problem area, but users who have forgotten how to resolve the error need to watch the entire video guide
Solution Approach 1:
The video guide is divided into key frames that represent different stages of the recovery process. When an error is detected, the system displays the specific key frame containing both the error location information and the corresponding recovery procedure, providing complete information in a condensed format without requiring users to watch the entire video guide.
Solution Approach 2:
The system extracts and displays only the essential key frame portion of the video guide that contains both the error location and recovery instructions for the detected error type. This extraction provides users with the critical information needed without requiring them to view the complete video guide.
3Adaptability or versatility
If the MFP displays a screen with instructions for all possible error locations, then all users can find relevant information, but the design requires a lot of labor
Solution Approach 1:
Instead of creating one comprehensive video guide covering all possible error locations, the system segments the video guide into multiple key frames, each corresponding to a specific error type or location. The error sensor identifies the specific error type, and the system displays only the relevant key frame, achieving comprehensive coverage with reduced design complexity.
Solution Approach 2:
The error sensor serves multiple functions: it detects various types of errors and simultaneously identifies which key frame of the video guide should be displayed. This multi-functionality allows the system to handle diverse error types with a single detection mechanism, reducing the need for separate instruction sets for each error location.
Data Source
AI summary
An image processing apparatus includes: a display; a memory that stores multiple key frames of a video guide on how to recover from an operating error; an error sensor that detects the operating error; and a display processor that allows the display to display at least one of the multiple key frames as a still frame for a digest along with an operation button for video playback, when the error sensor detects the operating error, the multiple key frames being stored on the memory, and that further allows the display to play back the video guide by serially displaying the multiple key frames, when the operation button is pressed.