Dual Transmission Path Printing System for High-Speed Data Transfer
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Solution Overview
Problem
Conventional image forming systems face limitations in fully utilizing printer engine performance due to inadequate data compression and inefficient data transfer, leading to decreased performance even with higher-speed devices.
Innovation Solution
A printing system with separate high-speed data and control transmission paths, utilizing a data line with higher transfer speed than the control line for image data and specific control information, allowing for efficient data transfer without compression and minimizing processing interruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If data compression is applied to increase transfer efficiency, then data transfer speed is improved, but processing time and complexity increase
Solution Approach 1:
The transmission path is segmented into two separate channels: a control line for control information and a data line for image data. This segmentation allows each channel to be optimized independently, with the data line capable of high-speed uncompressed data transfer while the control line handles control signals, thereby achieving high transfer speed without compression overhead.
2Device complexity
If a single transmission path is used for both control information and image data, then device complexity is reduced, but transfer speed decreases
Solution Approach 1:
The transmission path is divided into separate control line and data line, allowing the data line to dedicate its full bandwidth to image data transfer without being shared with control information, thereby achieving high transfer speed while maintaining manageable device complexity through clear functional separation.
Solution Approach 2:
The system transitions from a single-dimensional transmission path to a two-dimensional transmission structure with separate control and data channels, enabling parallel transmission of control information and image data, thereby achieving high-speed data transfer without increasing overall system complexity.
3Productivity
If high-speed data transfer is implemented, then printing speed is improved, but control information processing becomes a bottleneck
Solution Approach 1:
By separating control information transmission from image data transmission into different channels, the system allows the data line to operate at high speed for image data while the control line independently handles control information without becoming a bottleneck, thereby maintaining both high printing speed and reliable control processing.
Data Source
AI summary
A printing system includes a print-data generating device and a printing device. The print-data generating device is connected to the printing device via a first transmission path and a second transmission path of which transfer speed is faster than that of the first transmission path. A communication unit of the print-data generating unit and a communication unit of the printing device transmit to and receive from each other the image data and specific control information that affects the transfer of the image data via the second transmission path, and control information other than the specific control information via the first transmission path.