Do you think the protestant reformation would have taken place if the printing press had not existed? why or why not?

No.

It is likely that without the printing press, the protestant reformation would have been crushed in its infancy by the Catholic Church as had earlier efforts at reformation.

The reformation made it so that people could trade ideas and build coalitions that the jailing of individuals would not effect.

d.summerains, the last one

so what is your question?