Removable Duplexing Assembly Platen Segmentation
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Solution Overview
Problem
Printing devices face issues with reduced print quality due to dust, ink deposits, and aerosolized ink droplets accumulating on the platen, which are difficult to clean and affect duplex printing operations.
Innovation Solution
A removable print duplexing assembly that includes a duplexing device and platen, a service fluid container, and a non-volatile memory device, allowing for simultaneous replacement of the platen and duplexing device, capturing aerosolized ink droplets, and storing information on the duplexing device to prevent paper jams and improve accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the platen is made removable to enable easy cleaning and replacement, then the ease of operation is improved, but the device complexity increases due to additional retention and removal mechanisms
Solution Approach 1:
The duplexing assembly is divided into separable components: the platen can be independently removed from the duplexing device, and the duplexing device itself can be removed from the printing device. This segmentation allows easy cleaning and replacement of the platen while maintaining a manageable overall structure through modular design.
Solution Approach 2:
The platen is extracted as a separate, removable component from the duplexing assembly. This extraction enables the platen to be easily removed for cleaning or replacement without disassembling the entire duplexing device, improving maintenance ease while the retention mechanisms provide structured access points.
2Ease of operation
If the duplexing device is made removable to improve accessibility and safety during paper jam removal, then the ease of operation is improved, but the reliability may worsen due to potential improper installation or loss of components
Solution Approach 1:
The duplexing device is extracted as a removable module from the printing device, allowing users to easily remove it for accessibility during paper jam removal or maintenance. The retention mechanisms ensure proper reinstallation by providing defined engagement points that guide correct positioning.
Solution Approach 2:
The retention mechanisms are pre-configured on the duplexing device and printing device to guide proper installation before use. This preliminary setup ensures that when the duplexing device is reinstalled, it engages correctly with the retention features, maintaining reliability despite the removable design.
3Stability of the object's composition
If the platen is made stationary to improve structural stability, then the stability is improved, but the ease of repair worsens due to difficulty in accessing and replacing the platen
Solution Approach 1:
The duplexing assembly is segmented into the platen and the duplexing device, with the platen designed as a separate component that can be removed independently. This segmentation maintains stability during operation while enabling easy repair by allowing the platen to be accessed and replaced without moving other components.
Solution Approach 2:
The platen transitions from a permanently fixed state to a dynamically removable state through the retention mechanisms. During normal operation, the platen remains stable and fixed; during maintenance, the retention mechanisms allow easy removal and reinstallation, providing both stability and repairability.
Data Source
AI summary
In one example in accordance with the present disclosure a print duplexing assembly is described. The assembly includes a duplexing device to facilitate printing on both sides of a print media. The assembly also includes a platen coupled to the duplexing device to guide the print media along a feed path as it is being printed on. The platen and the duplexing device are selectively removable from a printing device in which they are installed.