About Oracle Reports

When reviewing the current it is important to first determine whether high-fidelity printing is required, or whether the advanced online reporting capabilities within interactive reports and interactive grids meets the user requirements. Today the requirement to produce hard copies of reports is greatly reduced.

If high-fidelity printing is required then you need to incorporate a reporting engine, such as Oracle BI Publisher, and then define report queries and upload report layouts into Application Express. However, often it will be sufficient to utilize the SQL query from the Oracle Report and provide an interactive report displaying the same information.

http://www.oracle.com/technetwork/developer-tools/apex/application-express/configure-printing-093060.html