我還沒有遇到這個問題, MZ-5N有三個馬達：1 operate mirror/shutter, 2 focusing, 3 winding film. 打開後門, #3在右邊卷 film 的圓筒裡面. 您的問題可能是電開關接觸不太好。我不記得開關在哪裡。應該很容易修復. (打開底板，開關在圓筒底部 clean the switch contact) (If you open the bottom cover, remember that one of the screw at the battery cover is shorter, don't mix up.)
