Toner-Tank Warns Customers about HP LaserJet Pro 3000 and 4000 Firmware Update


Third-party toner cartridge maker Zhuhai Zhongkai Imaging Products Co., Ltd., which sells its products under the Toner-Tank brand, frequently warns its customers about OEM firmware updates that may impact its cartridges. On February 20, the company advised customers that HP’s recent firmware updates for the LaserJet Pro 3000 and LaserJet Pro 4000 series of A4

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