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Ninestar Releases Replacement Toner Cartridges for use in HP CP1215/2020 Series Printers

TIME: 2019-03-15


Ninestar is pleased to announce that replacement toner cartridges for use in HP CP1215/2020 series printers AVAILABLE NOW!!!

Since December 2018, Canon has took some complaints regarding to the protection of its granted patent EP 1 977 289B1, which is used in the products listed in Table 1, against the companies listed in Table 2, including having filed lawsuit and submitted some infringement reports to Amazon.

Table 1: The OEM Models Covered by EP 1 977 289B1


Table 2: Canon's Complaints


Analysis of Canon's EP 1 977 289B1

Canon's EP 1 977 289B1 has two key features:

A projected position in which the second force receiving portion is projected outwardly of the developing unit from.

A stand-by position which is retracted from the projected position by movement of the first force receiving portion caused by the first force (of a main assembly of an electrophotographic image forming apparatus)


The function of this OEM's patented structure design is when printing mono documents, the DR and OPC of the other color toner cartridges are detached automatically. Ninestar noticed that some companies' so-called “patented solutions” for use in HP CP1215/2020 series printers are to cancel OEM's detachment mechanism of OPC and DR which based on the existing OEM structure. However, it will bring greater quality problem especially under the low coverage printing environment, such as overload of waste toner bin and the wear of OPC if the detachment mechanism is cancelled.

With years' experience in developing patented products, Ninestar has worked out a perfect solution for Canon's EP 1 977 289B1.

For more details of new products, please feel free to contact you sales manager or email to info@ggiamge.com


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