Help - Fuji GX680 film back problem winds on

[sixby45]

Hi everyone,

So I've recently repaired a GX680III and am using a 120 film back with the system (type I). It's getting to be a weird thing though as I shot a roll of film through it twice but now when I load the film cartridge and it starts to wind on to the beginning of the film, it keeps on winding until the spool is empty and wastes the whole roll. Is there some sort of sensor that needs to be cleaned or should I be looking for a whole new 120 back? Interestingly I have a 220 back which came with the camera initially and this shoots and winds on with 120 film just fine. Any insight into why the film back would wind on would be helpful. Thanks!

 

[itsdoable]

There is an infrared sensor that detects the start of the film. Make sure it is not block by dirt. It's also possible the IR emitter is dead.

 

[sixby45]

Thanks so much! I’ll fiddle more with that 120 back and see if I can’t knock some dust or dirt off If the sensor.

 

[Dan Bosko]

Hi there, I know it's been over a year for this thread but I have run into the same issue. I'm new to this system so I was hoping you had some luck solving this winding issue.
Thanks Dan.