Appliance Repair Questions? Ask a Technician for Answers ASAP
#1This is a gas model ,the lint you are talking about could it be suet from you burner?
#2 Have you had this issue as long as you have had the dryer ?
#3 And did it work fine at your mothers?
if it is not soot , the only other things it could be would be lint or the drum gaskets coming apart
Gasket are on either end of drum .