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Chipjet Warns about Third-Party Supplies Lockouts after HP Firmware Update for LaserJet Pro and Enterprise 400 Series


Chipjet Technology Co., Ltd., a Hubei Dinglong subsidiarity that designs replacement chips for third-party ink and toner cartridges, is warning its customers and partners about a brand-new firmware upgrade for the popular HP LaserJet 400-series monochrome and color laser printers and MFPs that makes these devices unable to identify compatible toner cartridges with non-HP chips.

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