The title is self explanatory, how to make a "submission only" forum
Example:
Apply for Forum Staff (Submission Only)
can you elaborate your requirement please ..
there is no direct form submission facility. however you can use
XThreads plugin
a
private section can be made where users can
start topics & they can only
see own topics [
eg.]
that is, users can not see & reply in topics
started by other users. Staff can see all topics
(depending on given privileges)