printing a bill in jasper report for more then one customer at a time ( on single click ) with different id on sapereate pages in jsf

Question

In my jasper report the bill format is the same, ie. single report.jasper file. I want to print more than 1 bill in the same format with different data from the database in one pdf file.

ex. 10 customer bills with different purchase items lists.

Now I have created my simple jasper report with the reference of following

http://javaknowledge.info/calling-jasper-report-from-java-web-application-using-jsf-2-0/

please help me I am new in jasper report and also jsf.