Sharp SF-1120 - Manual (Page 60)

6) Lens wire replacement
A. Lens wire removal
1 Remove the OR guide L and R, and remove the table glass.
2 Remove the dark box cover upper.
3 Remove the lens motor.
4 Remove drive spring 4 and 5.
5 Remove the E-ring which is fixing the roll holder drive shaft, and
remove the roll holder unit.
6 Remove the zooming cam and the zooming cam drive gear (which
are fixed with screws).
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