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This answer is pure speculation:
The reason probably is because of automatic system for print which check if the photo is with good exposure and only then print it on paper.
And maybe you should ask the lab these questions.

As recommendation: let the lab develop the film then you scan it, edit it and print (at home or via other service)

This answer is pure speculation:
The reason probably is because of automatic system for print which check if the photo is with good exposure and only then print it on paper.
And maybe you should ask the lab these questions.

As recommendation: let the lab develop the film then you scan it, edit it and print (at home or via other service). Also you can try to ask lab (as suggested from @Tetsujin) to print everything (if they can).

This answer is pure speculation:
The reason probably is because of automatic system for print which check if the photo is with good exposure and only then print it on paper.
And maybe you should ask the lab these questions.

As recommendation: let the lad develop the film then you scan it, edit it and print (at home or via other service)

This answer is pure speculation:
The reason probably is because of automatic system for print which check if the photo is with good exposure and only then print it on paper.
And maybe you should ask the lab these questions.

As recommendation: let the lab develop the film then you scan it, edit it and print (at home or via other service)

This answer is pure speculation:
The reason probably is because of automatic system for print which check if the photo is with good exposure and only then print it on paper.
And maybe you should ask the lab these questions.

This answer is pure speculation:
The reason probably is because of automatic system for print which check if the photo is with good exposure and only then print it on paper.
And maybe you should ask the lab these questions.

As recommendation: let the lad develop the film then you scan it, edit it and print (at home or via other service)