Lexmark Optra T Installation Instruction

You must access the printer system board to install 
printer memory, flash memory, or an optional card. 

Make sure the printer power is off, the 
printer power cord is unplugged, and all 
cables are disconnected from the back of 
the printer.

Press the release latches to open the upper 
and lower front doors. 

Press down on the side door latches and 
open the side door. 

  

Loosen, but do not remove, the six screws 
as shown.

Screws