Printer Controller Resumption Indicator for Copy Identification
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Solution Overview
Problem
Existing printing systems face challenges in efficiently resuming printing operations after failures, such as paper jams or user-induced stops, without clear indicators of the resumption position, leading to confusion and potential re-printing errors.
Innovation Solution
A printing control apparatus that includes a controller to manage and resume printing operations by inserting a white sheet of paper or ejecting a copy offset as an indicator to clearly mark the resumption position, allowing users to easily identify the copy being ejected at the time of failure and facilitate necessary re-processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If printing is stopped and resumed without clear indicators, then the printing operation can be quickly resumed, but user confusion occurs and re-printing errors may happen
Solution Approach 1:
The patent uses a white sheet of paper as a visual indicator inserted at the resumption position. This color difference (white sheet among colored printed sheets) creates a clear visual cue that marks where printing resumed, allowing users to easily identify the resumption point without causing confusion about which copies were printed.
Solution Approach 2:
The white sheet acts as an intermediary element between the stopped printing process and the resumed printing process. It physically marks the boundary between previously printed copies and newly printed copies, serving as a mediator that communicates the resumption position to the user without interfering with the actual printing function.
2Ease of operation
If no indicator is inserted at resumption position, then the printing process remains simple, but users cannot easily identify the copy being ejected at the time of failure
Solution Approach 1:
The patent uses a simple white sheet of paper as a disposable indicator that is inserted once at the resumption position and serves its purpose of marking the boundary between printed and unprinted copies. This cheap, simple solution provides clear visual identification without requiring complex mechanical or electronic systems.
3Reliability
If printing resumes without indicators, then operational efficiency is maintained, but user confusion and potential re-printing errors occur
Solution Approach 1:
The white sheet indicator is inserted in advance at the resumption position before printing continues. This preliminary action of placing the marker ensures that when printing resumes, the user can immediately identify the resumption point, preventing confusion and potential errors before they occur.
Data Source
AI summary
An information control apparatus includes a controller. The controller controls a printer including a postprocessing unit that performs postprocessing on sheets of paper printed in units of copies and an accumulation unit that accumulates the sheets of paper that have been subjected to the postprocessing such that the sheets of paper are stacked in units of copies. The controller controls the printer such that in a case where printing is stopped and then resumed in a process of the printing by the printer, an indicator indicating a copy that is being ejected at a time when the printing is stopped is inserted.