3D Systems projet mjp 2500 User Manual page 56

NOTE: It may be helpful to shine a flashlight where you are wiping for better visibility.
5. When material is removed, carefully remove the paper towel and dispose of properly.
Left UV Assembly
1. Lift left UV lamp cover up and gently wipe the entire underside of the UV Assembly with a lint free cloth moistened with isopropyl alcohol.
2. When finished, close cover and top door.