Imaging Cartridge Chip Segmented Storage for Fault Diagnosis
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Solution Overview
Problem
Existing imaging devices cannot effectively record and analyze chip usage state information, leading to communication issues and failure analysis limitations, as prior art only records imaging cartridge state parameters without representing chip usage state.
Innovation Solution
A method and structure for the imaging cartridge chip with a prioritized writing area and a normal read-write area, where the control unit proactively updates chip service state parameters upon detecting triggering conditions, such as communication faults or interference, to record usage state information like times-of-writes, communication faults, and interference, enabling separate tracking of chip and cartridge states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the chip records only imaging cartridge state parameters written by the imaging device, then the manufacturer can analyze imaging cartridge quality problems, but the chip usage state cannot be tracked and communication problems cannot be effectively diagnosed
Solution Approach 1:
The information storage unit is segmented into three distinct areas: a first area for imaging cartridge state parameters (written by imaging device), a second area for chip service state parameters (proactively updated by control unit), and a third area for usage state parameters (updated based on communication operations). This segmentation allows simultaneous tracking of both cartridge and chip states without mixing data types, resolving the contradiction between information completeness and storage complexity.
Solution Approach 2:
The control unit proactively updates chip service state parameters in the second area before actual communication operations occur. This preliminary action ensures that usage state information is captured even if subsequent communication fails, preventing information loss and enabling post-mortem analysis of chip performance without requiring complex real-time monitoring systems.
2Reliability
If the chip proactively updates service state parameters, then communication problems can be diagnosed, but the chip may fail to execute imaging device instructions when communication is interrupted
Solution Approach 1:
The control unit performs preliminary updates of chip service state parameters in the second area before executing imaging device instructions. This ensures that critical usage state information is captured in advance, allowing diagnosis of communication problems even if subsequent instruction execution is interrupted or fails.
Solution Approach 2:
By separating chip service state parameters (second area) from imaging cartridge state parameters (first area), the system ensures that proactive updates to chip status do not interfere with the normal instruction execution flow. The segmented structure allows independent management of diagnostic data and operational commands, maintaining ease of operation while improving reliability.
3Reliability
If the imaging device continuously updates chip data, then the chip records latest cartridge state, but the chip's own usage state and service life cannot be monitored
Solution Approach 1:
The information storage unit is divided into distinct areas: the first area receives continuous updates from the imaging device about cartridge state, while the second and third areas are proactively updated by the chip's control unit to track chip service state and usage parameters. This segmentation enables simultaneous maintenance of both cartridge state tracking reliability and chip usage state information without data overlap or loss.
Solution Approach 2:
The control unit performs self-service by proactively updating chip service state parameters in the second area and usage state parameters in the third area without requiring external intervention from the imaging device. This self-service mechanism ensures continuous monitoring of chip health and usage state independent of the imaging device's update cycle, preventing information loss about chip condition.
Data Source
AI summary
The present invention provides a method for recording chip usage state information, a chip of imaging cartridge and an imaging cartridge. The chip of imaging cartridge includes: a substrate, and an information storage unit and a control unit which are provided on the substrate, the information storage unit includes a prioritized writing area and a normal read-write area, the method includes: when the chip receives a read/write operation command sent by an imaging device or when the control unit on the chip monitors a communication interference signal, the control unit on the chip updates a chip service state parameter stored in the prioritized writing area, the chip service state parameter is used for fault analysis of the chip. The chip service state parameter recorded can represent the usage state information of the chip itself, which provides powerful information to find and solve communication problems between the chip and the imaging device.