Brother SC-2000 Service Manual page 59

Set torsion spring R on the projection of the main chassis so that hook A of torsion
spring R will be inserted into the hole in the main chassis.
In the same manner, set torsion spring L on the opposite side.
Pass each end of the nip roller through the hole from the inside of the main chassis,
and set the retaining rings on both ends of the nip roller from the outside of the
main chassis.
Set the film path in the main chassis, and secure it with the seven screws.
Note 3: Insert the hooks of the torsion springs into the grooves of the nip roller.
Note 4: Make sure that part D of the outer plate is inserted into hole E in the main
chassis, as shown in Fig. 3.55.
Film path
Main
chassis
Bearing
Retaining
ring
Screws
Paper feed roller
Bearing
Retaining ring
E
Torsion springs
Fig. 3.55
III - 41
Retaining ring
Screws
Retaining ring
D
Nip roller
Film path
A
Outer
plate
Main
chassis