Cleaning the lint screen after every load helps, but it does not catch everything. With frequent dryer use, small fibres can pass through the screen and collect inside the lint trap housing, where homeowners cannot easily see or remove them.
When buildup collects there, the dryer may run hotter, take longer, or leave towels and heavier loads slightly damp. Dryer Vent Wizard of Lake Forest and Gurnee cleans beyond the screen to remove hidden lint from the lint trap housing.