Selective Firmware Update Control for Image Forming Apparatus
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Solution Overview
Problem
Firmware updates in image forming apparatuses often result in downtime due to the need to download and apply software corrections for functions that users do not utilize, leading to inefficiencies and user inconvenience.
Innovation Solution
An image forming apparatus with an update unit that determines whether specific firmware updates correspond to installed options or licenses, controlling the update process to only apply necessary updates, thereby preventing unnecessary downtime and allowing for staged updates when required.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If firmware updates are performed automatically for all functions, then the latest software version is achieved, but downtime increases and unnecessary updates are applied
Solution Approach 1:
The patent segments firmware updates by function or option unit. The update determination unit divides the update process into individual function-specific updates, allowing the system to selectively apply only those updates corresponding to installed options rather than forcing a complete firmware update for all functions.
Solution Approach 2:
The patent implements partial action by updating only the necessary portions of firmware. The update determination unit identifies which specific function-related updates are needed based on installed options, performing only the required updates rather than applying all available firmware updates, thus reducing unnecessary downtime.
2Reliability
If firmware updates are performed for all functions, then comprehensive software corrections are applied, but updates for unused functions cause unnecessary downtime
Solution Approach 1:
The patent applies local quality by making the update process adaptive to the specific configuration. The update determination unit checks which options are installed and applies firmware updates locally tailored to those specific functions, ensuring that software corrections are applied only where needed rather than universally across all functions.
Solution Approach 2:
The system performs self-service by automatically determining which updates are necessary based on its own configuration. The update determination unit autonomously identifies installed options and selects appropriate firmware updates without requiring user intervention or manual assessment, enabling the system to serve itself in optimizing the update process.
3Reliability
If complete firmware updates are applied, then all software improvements are obtained, but the update process becomes more complex and time-consuming
Solution Approach 1:
The patent implements preliminary action by performing configuration assessment before the actual update process. The update determination unit预先 determines which options are installed and which firmware updates are necessary before initiating the update, thereby simplifying the subsequent update execution and avoiding the complexity of managing comprehensive updates.
Data Source
AI summary
An image forming apparatus reduces downtime of the apparatus caused by firmware updates. When a function relating to an option unit not connected to the image forming apparatus is the update target, firmware of the image forming apparatus is not updated.