Dual Authentication Image Forming System for Secure Pull Printing
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Solution Overview
Problem
In secure printing systems, users often face inefficiencies and long wait times due to the need for authentication processes that occur before and during printing, especially in pull printing systems where the printer must complete data conversion and transfer before outputting documents, leading to reduced printing efficiency and increased user wait times.
Innovation Solution
An image forming system that includes an information management unit and multiple image forming units, with a determining unit that performs dual authentication processes using a first and second authenticating unit, allowing for separate authentication steps before and after data processing, enabling users to select when to perform the second authentication, thus optimizing wait times and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If authentication is performed before printing in pull printing systems, then security is improved, but user wait time increases and printing efficiency decreases
Solution Approach 1:
The authentication process is segmented into two distinct phases: first authentication performed before data transfer to verify user identity and authorize data retrieval, and second authentication performed at the printer before actual printing to verify user presence. This segmentation allows security checks to be distributed throughout the printing workflow rather than集中 at one point, reducing user wait time while maintaining security.
Solution Approach 2:
The first authentication is performed as a preliminary action before data transfer occurs. By completing user identity verification and authorization in advance, the system prepares the printing job for execution without requiring the user to wait at the printer for security checks, thus reducing wait time while ensuring security requirements are met before data leaves the server.
2Reliability
If authentication is performed before printing, then security is improved, but printing efficiency decreases
Solution Approach 1:
The printing process is segmented into distinct phases with authentication checkpoints: data transfer phase (after first authentication) and printing execution phase (after second authentication). This segmentation allows data processing and transfer to proceed independently of the printing execution, improving overall printing efficiency while maintaining security through distributed authentication checks.
Solution Approach 2:
The system enables self-service printing by allowing authenticated users to initiate printing jobs remotely. The first authentication enables users to retrieve and prepare their printing data without being present at the printer, and the system automatically manages data transfer and preparation, improving printing efficiency while security is maintained through the two-stage authentication process.
3Speed
If data conversion and transfer are completed before printing, then printing speed is improved, but user wait time in front of printer increases
Solution Approach 1:
The data conversion and transfer processes are extracted from the printer location and performed at the server or intermediate storage location. By taking out these time-consuming operations from the printer, the system allows printing speed to be optimized at the printer while users are not required to wait in front of the printer during data preparation, thus reducing user wait time at the printer location.
Data Source
AI summary
An image forming system includes an information management unit, a determining unit, and at least one image forming unit. The information management unit stores and manages print information. The determining unit determines whether or not execution of a printing process regarding the print information is allowed. Each image forming unit prints and outputs print information acquired from the information management unit on a recording medium in accordance with a determination result of the determining unit. The determining unit includes a first authenticating unit and a second authenticating unit. The first authenticating unit performs authentication to determine whether or not execution of processing before printing and outputting the print information on a recording medium is allowed. The second authenticating unit performs authentication after completion of the authentication performed by the first authenticating unit to determine whether or not printing and output of the print information on the recording medium is allowed.