Print Substrate Mismatch Reporting After Supply Preparation
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Solution Overview
Problem
Existing image printing apparatuses suffer from substrate mismatch errors during replacement, requiring users to move between loading and error display positions, which is inconvenient and time-consuming, especially for large apparatuses.
Innovation Solution
The apparatus includes a supply unit, print unit, distinguishment unit, setting unit, detection unit, and reporting unit to determine and report substrate category mismatches only after substrate supply preparation is complete, ensuring accurate substrate identification and error reporting only when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If substrate information is updated immediately after substrate attachment, then substrate mismatch errors can be detected, but user convenience deteriorates due to the need to move between loading position and error display position
Solution Approach 1:
The system performs substrate information update in advance before the substrate is actually loaded into the apparatus. The host apparatus sends substrate information to the image printing apparatus before the substrate is inserted, so that when the substrate is loaded, the information is already prepared and associated with the correct substrate type. This eliminates the need for immediate error detection during loading, allowing the user to simply load the substrate without encountering errors that would require moving to different positions in the apparatus.
2Adaptability or versatility
If substrate information update and substrate attachment order is reversed, then substrate mismatch errors occur during replacement, but the system complexity increases to handle multiple error scenarios
Solution Approach 1:
The system establishes substrate information before the substrate is physically loaded into the apparatus. The host apparatus provides substrate information in advance, and the image printing apparatus stores this information associated with the substrate type. This preliminary establishment of substrate information ensures that when substrates are replaced or loaded, the correct information is already in place, eliminating mismatches without requiring complex real-time error handling procedures.
Solution Approach 2:
The system implements a feedback mechanism where the host apparatus provides substrate information to the image printing apparatus before loading. This feedback loop ensures that the substrate information is correctly associated with the substrate type from the beginning, allowing the system to adapt to different substrate types without increasing complexity in error handling, as the information is already prepared and verified beforehand.
3Reliability
If error reporting is performed immediately during substrate replacement, then substrate mismatch errors are detected promptly, but user time consumption increases due to frequent status checks
Solution Approach 1:
The system performs substrate information update and error checking in advance before the substrate loading process begins. The host apparatus sends substrate information to the image printing apparatus beforehand, so that when the substrate is loaded, everything is already prepared and verified. This eliminates the need for users to perform frequent status checks during or after loading, as errors would have been detected and resolved beforehand, significantly reducing user time consumption.
Data Source
AI summary
An image printing apparatus that prints an image on a substrate includes: a supply unit that supplies a substrate loaded; a print unit that performs printing on the substrate supplied by the supply unit; a distinguishment unit that distinguishes a substrate category of the substrate supplied from the supply unit; a setting unit that sets a substrate category of a substrate used for printing; a detection unit provided between the print unit and the supply unit to detect a splice portion where substrates are connected; a determination unit that determines whether the substrate category distinguished by the distinguishment unit and the substrate category set by the setting unit match; and a reporting unit that reports an error in a case where the determination unit determines that the substrate categories do not match. The reporting unit does not report the error until the supply unit completes substrate supply preparation.