Other - Retail, Other Business Rochester, MN – Sprinkler system saves laundry business from further fire damage; Business remains open January 9, 2018 viking210 Firefighters responded to flames at Mega Coin Laundry last Wednesday afternoon. Authorities say the fire began in a dryer and after the clothes were removed from the machine, the smoke set off the sprinkler system. Those with the Rochester Fire Department say they were able to shut down the sprinkler system after forcing entry on a door, but Mega Coin and two other businesses experienced an estimated $10,000 in water damage to floor and carpeting. No one was injured, and officials say Mega Coin Laundry will be able to remain open.