Olivetti d-Copia 300 Operation Manual page 276

Section 10 MAINTENANCE AND OPERATION INFORMATION
18 Clean the separator by moving the cleaning brush from left to
right several times along with the separator.
19 Close the front cover and left cover 1.
NOTE
To keep the best copying quality, perform cleaning of steps 15 and 18
described above periodically (approximately once a month) in addition
to the time of toner container replacement.
● After use, ALWAYS dispose of the toner container
and the waste toner box in accordance with
Federal, State and Local rules and regulations.
10-6