You want to download your all photos and post from facebook ? coz they are unforgettable and rare… you cant get your precious photos back every time your need.. and then if your account got blocked ? :-O you defiantly need your data backup to another safe place..
Hear i go with simple step wise step..
So just log-in your facebook account before getting BAN
.
1. Go to top right of your screen and click on drop-down Arrow then
Then click on account setting.
2. and Click on DOWNLOAD A COPY 
3. just click on archive.. and wait for mail for that link.