Ink Level Based Printing Policy Enforcement
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Solution Overview
Problem
Current computing and printing devices lack a mechanism for users to control or filter print jobs based on printer ink levels, leading to potential wastage of ink when printing content such as large color-intensive images or receiving print jobs from specific individuals when ink levels are low.
Innovation Solution
A system and method that monitor ink levels in printing devices and allow users to define policies to filter or modify print jobs based on pre-defined thresholds, enabling decisions on whether to print, block, or reduce quality of print jobs when ink levels reach a certain threshold.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If print jobs are automatically printed without ink level checking, then printing productivity is maintained, but ink consumption increases and wastage occurs
Solution Approach 1:
The system performs preliminary checking of ink levels before initiating print jobs. The processor monitors ink cartridge levels and compares them against threshold values, then preemptively blocks or modifies print jobs before they consume additional ink, preventing wastage while maintaining productivity for essential prints
Solution Approach 2:
The system implements a feedback mechanism where the processor continuously monitors ink level sensors in the printing device, receives status information, and dynamically adjusts print job processing based on current ink levels. This closed-loop control allows the system to adapt printing behavior to actual ink availability, optimizing both productivity and ink conservation
2Loss of substance
If ink level monitoring and filtering mechanisms are implemented, then ink usage is optimized, but device complexity increases
Solution Approach 1:
The printing device's existing processor is made multi-functional by enabling it to perform both traditional print job processing and ink level-based filtering decisions. The same processor that manages print queues also monitors ink levels, evaluates policies, and makes blocking/modification decisions, avoiding the need for separate dedicated hardware and reducing overall device complexity
Solution Approach 2:
The system uses the printing device's own existing components (processor, sensors, memory) to perform ink level monitoring and print job filtering. The device self-manages ink optimization without requiring external monitoring equipment or additional specialized hardware, reducing complexity while achieving ink usage optimization
Data Source
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AI summary
Example embodiments relate to ink level based printing. The level of ink available in a printing device is monitored. If the ink level is at or below a predefined threshold, a print job is printed according to a user-defined rule.