The HP RC3-1075-000CN cartridge lock lever holder is a printer component listed for HP MFP models in parts references. Its purpose, as its name indicates, is to hold the cartridge lock lever as part of the printer’s internal assembly.
The HP M570 MFP parts diagram lists two holders with this part number. A separate HP M575 parts listing also identifies RC3-1075-000CN as a cartridge lock lever holder, providing a clear reference when identifying this component for those printer assemblies.