Print Media Sensor State Locking for Reliable Tray Notifications
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Solution Overview
Problem
Imaging systems provide inaccurate depictions of print media levels due to sensor degradation and inconsistent signal analysis, leading to unreliable notifications.
Innovation Solution
Implementing a processing resource to lock sensors in a particular state after a first printing event, allowing them to transition only after a second event, thereby preventing false readings and extending sensor life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sensors continuously monitor print media levels, then notification reliability improves, but sensor degradation accelerates and measurement precision deteriorates
Solution Approach 1:
The sensor operates in periodic cycles between active monitoring and locked states. During active periods, the sensor monitors print media levels and sends notifications. During locked periods, the sensor state is held constant to prevent degradation from continuous operation. This periodic activation pattern maintains notification reliability while preserving sensor measurement accuracy over time.
Solution Approach 2:
The system locks the sensor in its current state before degradation can occur, as a preliminary protective measure. By anticipating sensor degradation and preemptively locking the state after a printing event, the system prevents future measurement inaccuracies rather than attempting to correct them afterward, thereby maintaining long-term measurement precision.
2Speed
If sensors operate continuously to provide real-time monitoring, then system responsiveness improves, but sensor life decreases
Solution Approach 1:
The sensor alternates between active monitoring phases and locked protective phases. During active phases, the sensor provides real-time monitoring and system responsiveness. During locked phases, the sensor is protected from continuous operation that would degrade it. This periodic cycle extends sensor life while maintaining adequate system responsiveness during active periods.
Solution Approach 2:
The sensor system automatically manages its own operational cycles without external intervention. After detecting a printing event, the system autonomously locks the sensor state and manages the timing of when the sensor becomes active again, allowing the sensor to self-regulate its operational stress and extend its service life.
3Loss of information
If the system sends frequent notifications about print media levels, then user awareness improves, but false notifications increase
Solution Approach 1:
The system locks the sensor in its current state after a printing event as a preliminary measure before sending notifications. This prevents the sensor from generating false readings due to degradation or environmental changes that occur during and after printing, thereby ensuring that subsequent notifications are accurate and reliable while maintaining user awareness.
Solution Approach 2:
The system uses feedback from printing events to control sensor operation. When a printing event is detected, the system feeds back by locking the sensor state, which then controls whether subsequent notifications are sent. This feedback mechanism ensures notifications are only sent when the sensor reading is known to be accurate, improving notification reliability while maintaining user awareness of media levels.
Data Source
AI summary
Examples described herein relate to system and methods consistent with the disclosure. For instance, the imaging system comprises a tray to receive print media, a first sensor to detect a first printing event in the imaging system, a second sensor to detect a second printing event in the imaging system, and a processing resource to determine if the first sensor detected a first printing event, based on the first sensor detecting print media reaching or dropping below a threshold level in the tray, set a logic state based on determining if the first sensor detected the first printing event, maintain the set logic state responsive to the determination that the first sensor detected the first printing event until the second printing event is detected by the second sensor.