Canon imageFORMULA CR-120N User Manual page 61

IMPORTANT
If you notice paper dust in the feed path when you open the Maintenance
Cover, clean it out with a clean dry cloth or cotton swabs.
B
Press the Open Button, and push the Left Maintenance Cover
open to the left.
C
Wipe the feed path with a firmly wrung cloth, moistened
slightly with water. Then, wipe off with a clean, dry cloth.
Feed Path
61
D
Close the Left Maintenance Cover. Make sure that it is
completely closed until you hear a click.
E
Close the Right Maintenance Cover. Make sure that it is
completely closed until you hear a click.