Open the front covers.
Pull down the lever.
Pull the drawer out completely until it stops.
Remove the screw.
Push the lock lever to the right.
Pull up the cover.
Remove the fuser unit.
Open the cover.
Remove the 2 screws.
Remove the fusing belt smoothing roller.
Attach the fusing belt smoothing roller by engaging the notches on its sides with the shaft.
Secure the fusing belt smoothing roller with the 2 screws.
Close the cover.
Place the fuser unit on the drawer with the triangular markings aligned as shown.
Lower the cover.
Push the lock lever to the left.
Secure the fuser unit with the screw.
Push the drawer slowly into the machine until it stops.
Pull the lever up.
Close the front covers.
Reset the counter for replaceable parts.