Printer Job Control for Sheet Attribute Mismatch Detection
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Solution Overview
Problem
In printing apparatuses with multiple sheet holding units, users may not be able to easily identify jobs that require sheet types not registered or with insufficient sheet quantities, especially when the number of jobs exceeds the display capacity of the operation screen, leading to potential printing failures due to media mismatches.
Innovation Solution
A control apparatus is implemented with a display unit, a storing unit for sheet attribute information, and a notification unit that determines and alerts users to jobs with mismatched sheet attributes, ensuring users are informed of missing or insufficient sheet types among the displayed jobs, even when the number of jobs exceeds the initial display capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the operation screen displays all jobs, then the user can confirm sheet attribute mismatches for all jobs, but the screen becomes too complex and cannot display all jobs at once
Solution Approach 1:
The patent segments the job information display by separating mismatched jobs from normal jobs. The notification unit divides the overall job list into distinct categories, allowing the operation screen to display only relevant mismatched jobs rather than all jobs, thus reducing screen complexity while preserving critical information.
Solution Approach 2:
The patent extracts and isolates the critical information about sheet attribute mismatches from the overall job list. The notification unit identifies and separates jobs with sheet attribute mismatches, presenting them independently to the user. This extraction allows the operation screen to focus on problematic jobs without being cluttered by the complete job list.
2Ease of operation
If the operation screen displays only a limited number of jobs, then the screen remains simple and manageable, but the user cannot confirm sheet attribute mismatches for all jobs
Solution Approach 1:
The notification unit provides targeted feedback to the user by identifying and displaying only those jobs that have sheet attribute mismatches. This feedback mechanism ensures that users are informed about problematic jobs without being overwhelmed by the complete job list, maintaining ease of operation while preventing information loss about critical issues.
3Loss of information
If the user manually checks each job for sheet attribute mismatches, then all mismatches can be identified, but the operation time increases significantly
Solution Approach 1:
The notification unit performs preliminary action by automatically checking job sheet attributes against sheet holding unit attributes before the user needs to review the jobs. This advance detection identifies mismatches proactively, eliminating the need for users to manually check each job and significantly reducing the time required to detect sheet attribute mismatches.
Data Source
AI summary
A control apparatus includes a display unit, a storing unit, a determining unit, and a notification unit. The display unit displays jobs. The storing unit stores attribute information of a sheet to be stored in sheet holding units. The determining unit determines, from among the jobs displayable on the display unit, a job where attribute information of a sheet to be used by the job does not correspond to the sheet attribute information stored in the storing unit. The notification unit notifies a user of the number of jobs determined by the determining unit.