Muratec MFX-C2700 - Manual (Page 108)

Maintenance > 108
3. Gently wipe the LED head surface with a clean, lint free cloth.
4. Close the top cover and press down firmly at both sides so that the cover latches
closed.
5. Gently lower the scanner.
CAUTION!
Do not use methyl alcohol or other solvents on the LED head as
damage to the lens surface will occur.