Samsung SW-252FENS - Manual (Page 5)

Never allow food particles or foreign substances to enter the drive
casing.
To protect against the risk of fire, do ot spill such liquids as
alcohol and benzene on the drive.
Safety Precautions
Other
Do not disassemble, attempt to repair or modify the device
without express approval as directed in the manual.
- Arbitrary removal of the bezel may cause the disc to pop out
during operation.
- To reduce the risk of damage, electric shock, and fire,