Printing Apparatus Automatic Sheet Info Handling
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Solution Overview
Problem
Conventional printing apparatuses require users to repeatedly set sheet size and type information when the manual feed tray runs out of sheets, leading to inefficiencies and user inconvenience, especially after a print job is initiated.
Innovation Solution
The printing apparatus automatically uses pre-designated sheet information from a job when the manual feed tray is interrupted, allowing users to select default settings or frequently used sheet options to reduce the need for repeated input, and provides a user interface for confirming or setting sheet information at the time of placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the manual feed tray runs out of sheets during a print job, then the printing process is interrupted, but the user must repeatedly set sheet size and type information which increases operation time and reduces productivity
Solution Approach 1:
The system stores sheet information settings in advance in memory before the manual feed tray runs out of sheets. When sheets are replenished, the controller automatically retrieves and applies the previously stored sheet information, eliminating the need for users to re-input settings and reducing operation time.
Solution Approach 2:
The printing apparatus performs automatic retrieval and application of sheet information without requiring user intervention. The controller automatically detects when sheets are placed on the manual feed tray and restores the previous sheet settings, making the system self-servicing and improving ease of operation.
2Ease of operation
If the system automatically restores previous sheet information settings, then user effort is reduced, but there is a risk of using incorrect sheet information if the wrong sheets are placed on the tray
Solution Approach 1:
The system provides feedback to the user by displaying the restored sheet information on a screen after sheets are placed on the manual feed tray. The user can verify whether the automatically retrieved sheet information matches the actual sheets, and if not, manually correct the settings. This feedback mechanism ensures reliability while maintaining ease of operation.
3Reliability
If the system provides a screen for confirming sheet information after sheets are placed, then mistaken input is prevented, but the user interface complexity increases
Solution Approach 1:
The confirmation screen is displayed selectively only when the manual feed tray requires sheet replenishment, not during all printing operations. This partial action approach provides necessary reliability checks only when needed, avoiding unnecessary interface complexity during normal operation while still preventing mistaken input when sheets are changed.
Data Source
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AI summary
Provided is a printing apparatus that, if information on sheets held by sheet holding means for holding sheets is set, prints images based on the set information on sheets, and a method for controlling the printing apparatus. In a case that a job that uses the sheet holding means has been interrupted when sheets are placed on the sheet holding means, printing is performed based on information on sheets that was designated by the job.