What is the primary reason for cleaning the lint trap in a dryer?

Cleaning the lint trap in a dryer is primarily important for preventing fires from starting. Lint buildup in the trap can impede airflow, causing excessive heat to accumulate within the dryer. This heat can eventually ignite the lint, leading to a fire hazard. Regularly cleaning the lint trap helps ensure that the dryer operates efficiently, maintains proper airflow, and minimizes the risk of overheating.

While there may be other considerations for maintaining the lint trap—such as preventing lint from transferring to clothes or avoiding pests—these are secondary to the crucial safety aspect related to fire prevention. Ensuring that the dryer is free of lint not only protects clothing but, more importantly, safeguards the home against potential fire risks, making the fire hazard the primary concern.