Toshiba Magnia 3310 - Manual (Page 96)

Installing and Removing Hardware
Memory module 78
Releasing the lock of exhaust fan duct
5 Slide the exhaust fan duct toward the rear of the server, pull it
and remove it from the server.
Removing the exhaust fan duct
6 If expansion cards have been installed, remove them according
to the procedure.
See the steps 4 and 5 in “Installing the expansion card” on page
132.