Roland DG‘s patented inkjet printer features a support table that moves based on waste liquid tank weight, sensors to detect tank levels, and a notifier for users. The system ensures timely alerts for near-end and end states of the waste liquid tank, enhancing printer maintenance efficiency. GlobalData’s report on Roland DG gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Roland DG, Smart factory applications was a key innovation area identified from patents. Roland DG's grant share as of January 2024 was 36%. Grant share is based on the ratio of number of grants to total number of patents.

Inkjet printer with waste liquid tank level detection

Source: United States Patent and Trademark Office (USPTO). Credit: Roland DG Corp

A recently granted patent (Publication Number: US11865846B2) discloses an inkjet printer with innovative features aimed at efficient waste liquid management. The printer includes a head with a cleaning mechanism to discharge liquid, a waste liquid tank for collecting the discharged liquid, and a support table that adjusts its position based on the weight of the liquid in the tank. Sensors and determinators are employed to signal when the tank is nearing capacity or at full capacity, allowing for timely maintenance and preventing overflow.

Furthermore, the inkjet printer incorporates a unique support table design with a carrying portion and an engagement portion that moves based on the liquid weight, along with a loader mechanism to provide necessary support. The printer's base and loader configuration enable the engagement portion to adjust according to the liquid level in the waste tank. Additionally, the printer features a tiltable support table with a liquid passage for efficient liquid discharge and a system of sensors and detection targets to accurately monitor the waste liquid tank's status and prevent operational issues when the tank reaches full capacity. An operation prohibitor function is also included to prevent cleaning operations when the tank is determined to be at its maximum capacity, ensuring smooth printer functionality.

To know more about GlobalData’s detailed insights on Roland DG, buy the report here.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.