9 Most Common Reasons Your Tumble Dryer Is Leaving Black Marks
The many reasons for a tumble dryer leaving black marks include something you possibly left behind in the dryer accidentally, overheating drums, cracked or dirty lint screens, and clogged vents. ... Run a cleaning wipe or cloth around the perimeter of the dryer drum, front and back, to check for brown marks. Fix: Replace the worn dryer felt ...