Film cameras directly expose film to light to produce an image: they do not "transfer pictures onto the film", but your phrase is a big clue as it suggests you've only used digital cameras in the past and so may have made a very simple mistake with film loading.
If the film is blank as in transparent, then the film has not been exposed. If it's completely dark then it's been over exposed.
I suspect you mean that the film is unexposed as it's by far the most common fault: cameras like the X-370 have completely manual film loading; the film has to be manually engaged onto the take-up sprockets before closing the back of the camera. After that, correct loading is confirmed by watching to ensure that the rewind crank (top left knob as viewed from rear) rotates every time the film winding lever is used. Note that the frame counter will advance even if the film isn't correctly loaded. Once the film is used up, the winding lever won't operate and the film must be rewound back into the cassette before opening the back of the camera. To do this, you press the recessed button on the underside of the camera and use the rewind crank to rewind the film until you can feel no more resistance at all.
You'll find full instructions on the Norman Butkus website where he's provided a downloadable .pdf manual
for your camera for free download.
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