FUJITSU fi-6130 - Manual (Page 139)

Sheet guide
2) Rotate the Pick roller lever in the direction of the arrow.
Lever
3) Slide the Pick roller in the direction of teh arrow, and then lift it up to remove the shaft from the hole.
CAUTION
Be careful not to touch the gear beside the lever of the Pick Roller as grease is applied to it.
5. Remove the Pick roller from the shaft.
Remove the Pick roller from the shaft while lifting up the tab on the Pick roller.