Fujitsu fi-4120C Cleaning And Maintenance page 31

5.
Attach the new Pick roller.
Insert the new Pick roller aligning the protrusion
on the axis with the groove in the Pick roller.
ATTENTION
84 6.3 Replacing the Pick Roller
Protrusion
Make sure that the Pick roller is completely
attached. An incompletely attached Pick
roller might cause document jams or other
feed errors.
When attaching the Pick roller, make sure
that the roller clicks in to place
"Click"
Groove