Image Forming Apparatus Sheet Storage Notification Logic
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Solution Overview
Problem
Image forming apparatuses face inefficiencies in managing and notifying users about accumulated sheets in storage, leading to user inconvenience and increased effort in removing them, especially when recovering from a power-saving state.
Innovation Solution
Incorporating circuitry and an information provider in the image forming apparatus to determine manual operations and notify users when stored sheets exceed a certain number or height, prompting removal through a display on the operation panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the storage temporarily stores sheets to be removed without being used in the image forming apparatus, then the apparatus can handle conveyance-defective sheets during image forming operations, but the storage may accumulate sheets and require user removal which causes user inconvenience and increased effort
Solution Approach 1:
The control unit provides feedback to the user by displaying information on the operation panel when sheets are stored in the storage. This feedback mechanism notifies users of the accumulated sheets, prompting them to remove them, thereby resolving the contradiction by maintaining reliable sheet handling while reducing user inconvenience through active notification
Solution Approach 2:
The system performs preliminary action by notifying the user before the storage becomes fully occupied. By detecting when sheets are stored and providing timely notification, the system allows users to remove sheets proactively rather than reactively, reducing overall user effort and preventing operational disruptions
2Ease of operation
If the apparatus notifies users about accumulated sheets, then users can remove sheets timely, but the notification system increases device complexity
Solution Approach 1:
The control unit, which already exists for managing image forming operations, is extended to also handle sheet storage detection and notification functions. By making the control unit multi-functional, the system achieves timely sheet removal capability without adding separate dedicated notification hardware, thus avoiding increased device complexity
Solution Approach 2:
The notification function is merged with the existing operation panel display system. Instead of creating a separate notification mechanism, the system combines the sheet storage monitoring and user notification functions into the existing display infrastructure, achieving timely sheet removal alerts while maintaining simple device architecture
Data Source
AI summary
An image forming apparatus includes a storage, circuitry, and an information provider. The storage is configured to temporarily store one or more sheets to be removed without being used in the image forming apparatus. The circuitry is configured to determine whether a manual operation is performed on the image forming apparatus and whether the one or more sheets stored in the storage exceed a given value in number or height. The information provider is configured to provide information urging removal of the one or more sheets from the storage in response to determination by the circuitry that the manual operation is performed and that the one or more sheets stored in the storage exceed the given value in number or height.