What is the meaning of the error "M7000-Thermal paste is about to run out"?

What is the code for the thermal paste machine that should be prepared for error id 1 of KM-ASSYM5-01?
This error message usually appears on a printer to notify the user that the thermal paste is running out and the user needs to replace it before the printer will continue to function properly. The printer uses thermal paste to help maintain a consistent temperature of the printer head