Toshiba Magnia 3310 - Manual (Page 91)

Installing and Removing Hardware
Cooling fan
73
6 For removing the redundant intake fan module, remove the
screw and draw out the redundant intake fan module.
Removing the redundant intake fan module
7 For removing the redundant exhaust fan module, pull the
redundant exhaust fan module out while pulling up the eject
lever.
Removing the redundant exhaust fan module
8 If it is intended to leave the redundant exhaust fan module as it
is removed, fasten the spacer with the screw to cover the vacant
slot.
NOTE: There is no spacer for the intake fan module.