Fujitsu fi-4120C Operator's Manual page 87

2.
Clean the following locations with a soft, dry
cloth moistened with Cleaner F1.
Pad ASY
60 5.2 Cleaning the ADF
Feed rollers (Four pieces)
Glass(Two parts)
Sheet guide
(A white portion,
Two parts)
Pick roller (One pieces)
Plastic rollers (Four pieces)