Printer Status Assignment for Environmental Cost Comparison
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Solution Overview
Problem
Users in network printing systems lack the ability to make environmentally informed printer selections, as they do not have access to information about the power consumption and operational status of available printers, leading to inefficient energy use and increased costs.
Innovation Solution
A system and method that assigns a status to each networked printer (awake, asleep, or waking up soon) and computes an environmental cost for print jobs based on these statuses, providing this information to users through a graphical user interface to facilitate environmentally friendly printer choices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the printer is kept in ready mode to minimize wake-up time and printing latency, then printing speed and user convenience are improved, but power consumption increases
Solution Approach 1:
The system dynamically adjusts printer operational states based on real-time conditions. The printer can transition between stand-by mode (low power) and ready mode (high performance) depending on job urgency, user preferences, and environmental cost considerations, resolving the contradiction between speed and energy consumption
Solution Approach 2:
The system provides feedback to users about the environmental cost and power consumption implications of different printer selection choices. This feedback mechanism enables users to make informed decisions about whether to prioritize speed or energy savings for each print job
2Use of energy by moving object
If the printer is kept in stand-by mode to reduce power consumption, then energy efficiency is improved, but wake-up time increases
Solution Approach 1:
The system performs preliminary actions by keeping printers in ready mode when future print jobs are anticipated based on user patterns, work schedules, or organizational needs. This anticipatory approach reduces wake-up time for expected jobs while maintaining energy efficiency for periods with no anticipated printing activity
Solution Approach 2:
The operational state of the printer is made dynamic rather than static, allowing transitions between stand-by and ready modes based on real-time demands and predicted usage patterns, thereby optimizing both wake-up time and power consumption
3Loss of information
If users are provided with detailed printer status information to enable environmentally informed choices, then environmental awareness is improved, but system complexity increases
Solution Approach 1:
The print server acts as an intermediary that collects complex printer status data (power consumption, operational mode, environmental impact) and transforms it into simplified, user-friendly information displayed in the graphical interface. This intermediary layer provides comprehensive information without exposing users to system complexity
Solution Approach 2:
The system uses visual indicators such as color-coded environmental cost indicators in the graphical user interface to convey complex information about printer power consumption and environmental impact. This visual encoding makes complex data easily interpretable at a glance
Data Source
AI summary
A system and method for facilitating environmentally informed print job selection are provided. The method includes assigning a status to each of a set of networked printers, the status of an operational printer denoting a printer as being one of at least awake, asleep, and waking up soon. The assigned status is provided to a graphical user interface, enabling a user to compare the status and/or environmental costs of printing with user selectable ones of the set of printers.