Xerox WorkCentre PE120-120i-3124 - Manual (Page 180)

Maintenance 8.14
3 Remove the ADF rubber pad from the ADF, as shown.
4 Insert a new ADF rubber pad into place.
5 Align the left end of the ADF roller with the slot and push
the right end of the ADF roller into the right slot (
c ).
Rotate the bushing on the right end of the roller toward the
document input tray (
d ).
6 Close the ADF cover