Image Forming Apparatus Unregistered User Print Limit Enforcement
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Solution Overview
Problem
Conventional image forming systems require cumbersome user registration and printer driver installations for unregistered users, and administrators must manually manage user permissions, leading to inefficiencies and increased administrative burdens.
Innovation Solution
An image forming apparatus and system that includes a reception unit for receiving image data, an image forming unit, a generation unit for creating history information, storage units for user data, and judging units to determine and set permission information, allowing unregistered users to print within predefined limits without attached user identification, simplifying the process and reducing administrative tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If unregistered users need to use the image forming apparatus, then user accessibility is improved, but administrative management becomes more complex
Solution Approach 1:
The system pre-sets limit information for unregistered users in advance, allowing them to use the image forming apparatus within predefined constraints without requiring real-time administrative intervention or manual registration. This preliminary configuration resolves the contradiction by enabling user accessibility while maintaining manageable complexity through pre-established rules.
2Reliability
If user identification information is attached to print data, then print permission control is improved, but ease of use deteriorates
Solution Approach 1:
The system extracts and stores limit information for unregistered users separately from the main user registration database. This allows the image forming apparatus to enforce permission control through stored limit information rather than requiring attached user identification information, thereby maintaining reliable permission control while improving ease of use for unregistered users.
3Reliability
If administrators manually register and manage users, then permission accuracy is improved, but time consumption increases
Solution Approach 1:
The system enables unregistered users to access the image forming apparatus autonomously within predefined limit information without requiring manual registration or administration. This self-service mechanism maintains permission accuracy through stored limit information while significantly reducing the time consumption associated with manual user management.
4Reliability
If printer driver installation is required for user identification, then permission enforcement is improved, but device complexity increases
Solution Approach 1:
The system uses stored limit information as an intermediary between the image forming apparatus and user identification. Instead of requiring printer driver installation for user identification, the pre-stored limit information acts as a mediator that enables permission enforcement, thereby improving reliability while reducing device complexity.
Data Source
AI summary
An image forming apparatus includes: an image forming unit configured to form images based on image data transmitted from information processing apparatus of users including registered users and unregistered users; a setting unit configured to set permission information for each user based on a log of the image forming and limit information; a first judging unit configured to determine whether user identification information is attached to image data; a second judging unit configured to determine, based on the permission information that is set for an unregistered user, whether to permit execution of image forming of the image data, when the first judging unit determines that the user identification information is not attached to the image data.