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Toner-Tank Notifies of HP Firmware Lockout of CF289 Series, Again


Zhongkai Imaging Products of Zhuhai, China, which markets its products under the Toner-Tank brand, announced that a recent HP firmware update has resulted in third-party chips on various HP CF289-series compatible toner cartridges being unrecognized by LaserJet printers and MFPs. HP released the new firmware (20230705) on August 8. On August 9, Toner-Tank announced that “Non-HP Chip

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