Toner Supply Device Bidirectional Rotation Control
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Solution Overview
Problem
Conventional toner cartridge driving control systems are unable to satisfy higher-level requirements for toner replenishment, leading to inefficiencies in toner discharge and potential toner accumulation issues.
Innovation Solution
A toner supply device configuration that includes a toner cartridge, a toner storage portion, a toner detection sensor, a conveyance member, and a controller that controls the replenishment operations based on detection results and conveyance member information, ensuring optimal toner distribution and preventing unnecessary rotation of the toner cartridge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional toner cartridge driving control is used, then the system is simple, but it cannot satisfy higher-level requirements for toner replenishment control
Solution Approach 1:
The patent implements feedback control by continuously monitoring the toner level in the storage portion via a toner detection sensor and using this information to adjust the rotation of the toner cartridge. The controller receives feedback signals from the sensor and modifies the driving parameters accordingly, enabling reliable toner replenishment control that satisfies higher-level requirements while maintaining manageable system complexity through intelligent control algorithms.
2Productivity
If the toner cartridge rotates continuously to ensure toner discharge, then toner supply is reliable, but toner accumulation and discharge inefficiency occur
Solution Approach 1:
The patent applies periodic action by controlling the toner cartridge to rotate in alternating directions (forward and backward) rather than continuously in one direction. The controller executes periodic rotation cycles where the cartridge rotates forward to discharge toner, then reverses direction to prevent accumulation. This periodic bidirectional rotation maintains reliable toner supply while preventing toner buildup and improving discharge efficiency.
3Manufacturing precision
If the toner cartridge is rotated without proper control, then the structure is simple, but toner discharge characteristics cannot be optimized
Solution Approach 1:
The patent implements dynamics by making the rotation characteristics of the toner cartridge adjustable and adaptable rather than fixed. The controller dynamically modifies rotation speed, direction, and duration based on real-time toner level detection and discharge requirements. This dynamic control enables optimization of toner discharge characteristics for different operating conditions while managing complexity through software-based control algorithms that adapt to varying needs.
Data Source
AI summary
A toner supply device includes a toner cartridge, a cartridge driving source, a toner detection sensor, a conveyance member which conveys toner, and a rotating member driving source which drives the conveyance member. In addition, a driving controller controls the rotating member driving source, and a controller controls a series of replenishment operations of the toner cartridge based on a detection result of the toner detection sensor. The series of replenishment operations of the toner cartridge is controlled based on information about driving of the conveyance member, which is acquired at every predetermined period after starting the series of replenishment operations.