You do not have to file all the same documents as when you applied for a residence permit for the first time.

When changing the residence permit basis, you must submit the same documents as for renewal of the residence permit, i.e. a copy of the passport and means of support, together with the documents that are specific to the new residence permit.

For example, if you held a residence permit for study and wish to apply for a residence permit for  for work requiring expert knowledge, you must submit a copy of your passport and supporting documents, together with an application for a work permit on the basis of  for work requiring expert knowledge and an employment contract.

Further information on renewal of residence permits is available here.