Fuser Temperature Adjustment for First Page Out Reduction
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Solution Overview
Problem
The preheating time of a fuser in printing devices delays the initiation of printing, as it heats to a default temperature each time, regardless of the content to be printed, leading to increased time before the first page is printed.
Innovation Solution
Reducing the fuser temperature based on the analysis of the amount and distribution of print content, allowing for dynamic adjustment during the print job, thereby reducing preheating time and optimizing the fuser temperature for each section of the page.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the fuser preheats to a default temperature each time, then the fusing temperature requirement is satisfied, but the preheating time increases and delays printing initiation
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting the fuser preheat temperature based on the analyzed print content characteristics. Instead of using a fixed default temperature, the system modifies the temperature parameter according to the actual printing requirements, thereby reducing preheating time while still achieving adequate fusing results.
Solution Approach 2:
The patent implements dynamics by making the fuser preheat temperature adaptive rather than static. The system dynamically determines the appropriate preheat temperature based on real-time analysis of print job characteristics, allowing the temperature to vary according to the specific printing conditions and content distribution.
2Device complexity
If the fuser uses a fixed default temperature, then the printing process is simple, but the preheating time cannot be optimized for different content types
Solution Approach 1:
The patent applies preliminary action by analyzing the print content characteristics before the actual printing process begins. The system performs content analysis and determines the optimal preheat temperature in advance, allowing the fuser to be preheated to the appropriate temperature from the start, thereby reducing the time to print the first page.
3Adaptability or versatility
If the fuser heats to a higher default temperature, then all content types can be printed, but the time to heat up increases for all jobs
Solution Approach 1:
The patent applies local quality by tailoring the fuser preheat temperature to the specific characteristics of each print job rather than using a uniform high temperature for all content. The system analyzes the print content and applies an optimized temperature setting locally adapted to that particular printing task, achieving both content compatibility and reduced heating time.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables faster printing of the first page by minimizing preheating time, as the fuser heats to a lower temperature tailored to the specific content distribution, reducing the overall time between receiving a print command and printing the first page.
Implementation Method 1
the fuser may heat to the determined temperature
Data Source
AI summary
Example implementations relate to first page out reduction. For example, a system according to the present disclosure may include a host computing device including a processor. The system may further include a printer coupled to the host computing device. The processor may determine a distribution of print content relative to a leading edge of a page of print medium. The processor may further determine a first threshold fuser temperature in response to the determination of the distribution of print content.