Printer Check Sheet Protrusion for Error Identification
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Solution Overview
Problem
Printer systems face challenges in identifying and addressing errors during print jobs due to the lack of a clear method for outputting a distinguishable check sheet when printing is temporarily stopped, such as due to errors or paper out, which hinders user identification of the error location.
Innovation Solution
An information control apparatus that includes a controller, which manages the printer device to feed a check sheet that protrudes from other sheets when loaded, using a sheet arranged differently in direction or larger in size, allowing for easy identification of the sample sheet within the printer output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a check sheet is output using the same sheet as other printed sheets, then the printing process is simple, but the error location cannot be identified by users
Solution Approach 1:
The patent applies local quality by making the check sheet distinct from other printed sheets through specific attributes such as different sheet size, different sheet direction, or different stack position. This localized differentiation allows users to easily identify the check sheet and thus the error location without complicating the overall printing system.
Solution Approach 2:
The patent uses sheet orientation changes as a visual differentiator, analogous to color changes. By rotating the check sheet 90 degrees relative to other sheets, it creates a visually distinct appearance that immediately draws user attention to the error location without requiring additional complex mechanisms.
2Reliability
If printing is temporarily stopped due to errors, then error detection is possible, but productivity decreases due to downtime
Solution Approach 1:
The patent performs preliminary action by outputting the check sheet at the moment printing is temporarily stopped due to an error. This immediate action allows for rapid error detection and identification, enabling quick recovery and resumption of printing, thus minimizing productivity loss while maintaining reliable error detection.
3Ease of operation
If a distinguishable check sheet is output with different sheet direction or size, then error location is easily identified, but the sheet feeder complexity increases
Solution Approach 1:
The patent applies self-service by utilizing the sheet feeder's existing capability to handle sheets with different attributes (size, direction, stack position). The sheet feeder automatically differentiates and outputs the check sheet based on pre-set identification information, without requiring additional complex mechanisms or manual intervention.
Data Source
AI summary
An information control apparatus controls a printer device. The printer device outputs a sheet which is fed from a sheet feeder and which is printed and loads the printed sheet in a loader in accordance with a print instruction. The information control apparatus includes a controller. In a case in which the printer device outputs a check sheet while the print instruction is being executed, the controller performs control so that the sheet feeder will feed, as a sheet to be used as the check sheet, a sheet which will protrude from other sheets when being loaded in the loader.