FujiFilm FUJICA GSB45 Repair Manual & Parts List page 30

Fig. 18
Shutter has been released and film is not advanced yet
4-24.
L
3-42
Film advance lever is wound up fully
Film is advanced completely and
shutter has not been released.
-27-
REASSEMBLY AND ADJUSTMENT
FUJICA GS645
Shutter set lever
Shutter set levE
The slider should not be sticked
when returning.