Printer Job Notification Management via Periodic Status Checks
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Solution Overview
Problem
Existing image forming apparatuses notify users of unprinted jobs continuously, leading to user annoyance and inefficiency, as users must visually confirm if a job is new or not.
Innovation Solution
The image forming apparatus includes a display unit, memory, and processor to store and manage print jobs, notifying users only of unconfirmed print jobs that have arrived since storage, and ceasing notifications for confirmed jobs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the image forming apparatus continuously displays notification information for unprinted jobs, then users are always aware of stored jobs, but users experience annoyance and inefficiency due to excessive notifications
Solution Approach 1:
The notification system operates periodically rather than continuously. The processor checks whether unprinted jobs exist at specific intervals (when the operation unit is accessed) and displays notification information only at those periods. This periodic operation maintains job awareness reliability while eliminating continuous notification annoyance.
2Loss of information
If the image forming apparatus displays a list of all print jobs, then users can identify new jobs, but users must spend time visually confirming each job
Solution Approach 1:
The notification information extracts and highlights only the critical information (presence of unprinted jobs) from the complete job list. Instead of requiring users to examine all jobs, the system separates and presents only the relevant notification, saving user time while preserving complete job status information in the background.
Solution Approach 2:
The notification information uses visual differentiation (such as color changes or distinctive display characteristics) to highlight new or unprinted jobs. This allows users to immediately identify job status changes without visually scanning through the entire job list, reducing time expenditure while maintaining information completeness.
3Loss of information
If the notification information is displayed for all unprinted jobs including confirmed ones, then users are notified of all stored jobs, but confirmed jobs continue to show notifications causing annoyance
Solution Approach 1:
The system implements feedback by monitoring user interactions with job notifications. When a user views or confirms a job, the processor detects this action and updates the notification state accordingly. This feedback mechanism ensures that confirmed jobs no longer trigger annoying notifications while maintaining notifications for genuinely unprocessed jobs.
Solution Approach 2:
The notification system is dynamic rather than static. Notification information is continuously updated based on current job status and user actions. Jobs that have been confirmed or printed automatically have their notification status changed, making the system adaptive to real-time conditions and eliminating persistent notifications for resolved jobs.
Data Source
AI summary
An image forming apparatus manages whether or not job information is displayed for each stored print job, displays notification information for notifying a user that the print job is stored if there is a print job of which the job information has not been displayed, and does not display the notification information if there is no print job of which the job information has not been displayed.