Chipjet Technology Co., Ltd., Hubei Dinglong’s chip-designing arm, has announced new compatible chipsets released in January. The focus was squarely on HP. Chipjet has released chips for the following HP cartridges and printers: HP 307A toner cartridge series (CE740A, CE741A, CE742A, CE743A), HP 504A toner cartridge series (CE250A, CE251A, CE252A, CE253A), and HP 504X (CE250X).
