Perhaps this is old news but it was new to me.
snopes.com: Clean Lint Filter Extends Life of Dryer
The claim is that dryer sheets over time muck up the lint filter making drying less efficient and shortening heater life. Cleaning the filter (beyond removing the lint) can help restore normal operation.
snopes.com: Clean Lint Filter Extends Life of Dryer
The claim is that dryer sheets over time muck up the lint filter making drying less efficient and shortening heater life. Cleaning the filter (beyond removing the lint) can help restore normal operation.