In this episode, we dive into a smoldering issue affecting HP printers: a recent firmware update, version 20250209, meant to improve security and regulatory compliance has instead left many HP LaserJet MFP M232–M237 users in a bind. Despite the update promising "general improvements and bug fixes" and enhancing the overall cartridge experience, customers report that even using genuine HP-brand toner now triggers errors, with many seeing Error Code 11 and flashing toner lights that halt printing. Frustrated users describe their experiences as “insanely frustrating because it's my small business printer and just stopped working out of nowhere, and I even replaced the tone[r], which was a $60 expense,” highlighting the unexpected setback for even long-trusted products.

• Firmware Update Details:

  • Version 20250209 was rolled out on March 4 for HP LaserJet MFP M232–M237 models.
  • The update claims to include “security updates,” “regulatory requirement update,” and various bug fixes.

• The Issue:

  • Despite the update including fixes for “cartridge rejection experiences,” it now causes genuine HP-brand toner cartridges to trigger error messages.
  • Affected users are encountering Error Code 11 and a flashing toner light during printing.

• User Feedback:

• Reports shared on HP’s support forum indicate that even after cleaning and reinstalling cartridges, the printers remain non-functional.

• One user remarked on the situation’s impact on their small business printers, emphasizing the unexpected cost and disruption.

Stay tuned for more updates on this evolving topic, and we’ll keep you posted as HP responds to these troubling reports!
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