Now HP -printers are masoned after firmware update


  • Some HP -laser printers are blocked after a firmware update
  • Affected models include laser chief MFP M232-M237
  • HP says it is aware of a “limited” problem

Already in trouble blocking or reducing the performance of third-party ink cartridges, HP has now been accused of blocking legitimate HP mark tones in some laser printer models.

Firmware version 20250209, released on March 4, now appears to cause problems for owners of the LaserJet MFP M232-M237 models.

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