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How to Correct an HP Firmware ...

How to Correct an HP Firmware Update that Blocks Non-HP Ink Cartridges

HP released a firmware update on March 12, 2016 that rendered non-HP ink cartridges useless for several models of HP Officejet printers; they no longer recognize compatible brand smart chips.  Error messages such as the following display to the user:  “The ink cartridges appear to be missing or damaged,” “Replace the ink cartridges to resume […]

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