Oki C3520 User Manual page 111

2. Press the cover release and open the printer's top cover
fully.
3. Gently wipe the LED head surface (1) with LED lens
cleaner or a soft tissue.
4. Close the printer top cover and press down firmly so that
the cover latches closed.
5. Gently lower the scanner on to its supports.
Maintenance > 111
b
a
1