Image Forming Apparatus Paper Feeding Control
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Solution Overview
Problem
In image forming apparatuses, starting an image forming process for a second job before completing the paper feeding process for a first job can result in incomplete sets of printed media being mixed with complete sets, confusing the user as incomplete and complete sets are discharged together.
Innovation Solution
An image forming apparatus that includes a detecting unit to check if a recording medium is stored in the paper feeding unit for the first job and an image formation control unit to suspend the image forming process for the second job if no medium is found, ensuring only complete sets are discharged.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the image forming process for the second job is started before the paper feeding process for the first job is completed, then the productivity is improved, but the user confusion increases due to mixed incomplete and complete sets of recording media
Solution Approach 1:
The control unit performs preliminary detection of recording medium availability in the paper feeding unit before starting the image forming process for the second job. This preliminary action ensures that the first job's paper feeding is confirmed to be complete or will be complete before initiating the second job's image formation, preventing mixed discharge of incomplete and complete sets.
Solution Approach 2:
The system implements feedback by continuously monitoring the paper feeding status and recording medium availability. The control unit uses this feedback information to determine whether to suspend or continue the image forming process for the second job, ensuring that only complete sets of recording media are discharged together.
2Loss of time
If the image forming process for the second job is started before the paper feeding process for the first job is completed, then the time required for processing is reduced, but the manufacturing precision is worsened due to incomplete sets being discharged
Solution Approach 1:
The control unit performs preliminary detection of recording medium availability in the paper feeding unit before starting the image forming process for the second job. This preliminary action ensures that the first job's paper feeding is confirmed to be complete or will be complete before initiating the second job's image formation, preventing mixed discharge of incomplete and complete sets.
Solution Approach 2:
The system implements feedback by continuously monitoring the paper feeding status and recording medium availability. The control unit uses this feedback information to determine whether to suspend or continue the image forming process for the second job, ensuring that only complete sets of recording media are discharged together.
Data Source
AI summary
An image forming apparatus includes an image forming unit configured to start image formation in accordance with a second job while performing the image formation in accordance with a first job, each of the first job and the second job including information indicating one of paper feeding units; a detecting unit configured to detect whether a recording medium is stored in a paper feeding unit indicated by the first job; and an image formation control unit configured to cause the image forming unit to continue the image formation in accordance with the second job when the detecting unit detects that a recording medium is stored in the paper feeding unit, and cause the image forming unit to suspend the image formation in accordance with the second job when the detecting unit detects that no recording medium is stored in the paper feeding unit.