Printer Supply Ordering With History-Based Duplicate Prevention
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Solution Overview
Problem
Existing image forming apparatuses do not inform users about the ordering status of expendable supplies, leading to a risk of duplicate orders.
Innovation Solution
An image processing apparatus that displays remaining supply amounts, warns when levels are low, allows selective ordering, stores order history, and displays historical information to prevent duplicate orders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the image forming apparatus automatically places orders for supplies without user notification, then the ordering process is simplified and automated, but the user cannot verify the ordering status and may place duplicate orders
Solution Approach 1:
The system implements feedback by notifying the user when supplies are automatically ordered. The notification includes information about the ordered supplies, allowing the user to verify the ordering status and prevent duplicate orders. This resolves the contradiction by maintaining automation while providing necessary information feedback to the user.
Solution Approach 2:
The system performs preliminary action by automatically placing orders before the user would need to manually order supplies. By combining this with user notification, the system achieves both automation efficiency and user awareness, preventing duplicate orders while maintaining the benefits of automatic ordering.
2Reliability
If the system provides detailed ordering status information to users, then duplicate orders are prevented, but the system complexity increases
Solution Approach 1:
The system extracts only the essential ordering status information needed to prevent duplicate orders and presents it to the user through notifications. By taking out only the necessary information rather than providing all possible details, the system achieves reliable duplicate order prevention without excessive complexity in information management.
3Loss of information
If the system stores and displays complete order history, then users can verify ordering status to prevent duplicates, but the information processing and storage requirements increase
Solution Approach 1:
The system uses cost-effective storage solutions for order history data and implements selective retention. By storing only the essential order history information needed for duplicate prevention rather than complete detailed records, the system maintains adequate information for reliability while minimizing data storage requirements.
Data Source
AI summary
An image processing apparatus includes a printer to perform printing using an expendable supply for at least one of a plurality of different colors, and a controller to, when receiving, via a user interface, an ordering operation to order a particular type of supplies selected on an order screen, place an order for the particular type of supplies to an information processing device via a communication interface, and store history information on the particular type of supplies into a memory, the history information indicating an order history of the particular type of supplies and containing information generated based on a most recent order date of the particular type of supplies, and in response to a display trigger, read out the history information on the particular type of supplies from the memory, and display the read history information on a display such that the particular type of supplies is identified.