Release the Cancel button once the LED lights come on. This resets both the printer and the NVRAM together. Press and hold the Reset button near the back of a 5P or 6P printer as you turn on the power. Holding it for less than 20 seconds resets the printer only.
Once the throttle body is exposed, spray the throttle-body cleaner inside the air duct, and use the brushes to gently dislodge the dirt, gum and varnish that are present. Note: Be very careful not to let the thin, plastic spray nozzle (or anything else!) fall into the throttle-body opening.
Throttle body service is the throttle body cleaning and wiping of the bore and throttle blade. The service is important in order to keep the automobile running smoothly, efficiently, and safely. What is it? The throttle manages the flow of fluid and can increase or decrease the engineâs power.