What changed

HP has begun pushing a firmware revision to LaserJet Enterprise devices that tightens validation of cartridge authentication chips. Fleet administrators report that some third-party cartridges that worked before the update now return a supply error.

Why it matters

Firmware-driven lockouts remain the single biggest source of support tickets for dealers selling remanufactured supplies into enterprise accounts.

Dealers should confirm firmware policy with the customer before quoting a multi-year supplies contract.

What to do

  • Audit firmware versions across the fleet before deployment
  • Ask whether automatic firmware updates can be deferred
  • Stock cartridges with current-generation chips