Installing upgrades > 57INSTALLING UPGRADESThis section explains how to install optional equipment into your printer. This includes:> additional RAM memory> SD card> additional paper trayM EMORY UPGRADEThe basic printer model comes equipped with 256MB of main memory. This can beupgraded with an additional memory board of 256MB or 512MB, giving a maximum totalmemory capacity of 768MB.1. Switch the printer off and disconnect the AC power cable.2. Remove the outer access cover and place it safely to one side.3. Turn locking screw (a) anti-clockwise and remove the inner access cover (b). Place itsafely to one side.4. Carefully remove the new memory board from its wrapping. Try to handle the boardonly by its short edges, avoiding contact with any metal parts as far as possible. Inparticular, avoid touching the edge connector.abb a