HP Color LaserJet Enterprise M751n Laser Printer - Manual (Page 75)

Troubleshoot Cartridge Protection control panel error messages
Error message Description Recommended action
10.0X.57 Protected Cartridge The cartridge can only be used in the printer
or fleet of printers that initially protected it
using HP Cartridge Protection.
The Cartridge Protection feature allows an
administrator to restrict cartridges to work
in only one printer or fleet of printers. The
cartridge must be replaced to continue
printing.
Replace the cartridge with a new toner
cartridge.
ENWW Configure the HP toner-cartridge-protection supply settings 65