Brother HL-2400C Service Manual page 509

2. Unscrew the two screws securing the rear plate of the main controller
board and pull out the main controller board.
Fig. 5-41 Removing the Main Controller Board
3. Unpack the SIMM and hold it by its edge.
!
Caution
Do not touch the memory chips and the surface of the main controller
board. If static electricity collects, it may damage these electrical parts.
4. Install the SIMM into the slot and push gently until it clicks into
place.
Fig. 5-42 Install the SIMM
5. Install as many SIMMs as you need.
• Set the SIMM into the slot at an angle.
• Push the top of the SIMM gently towards the vertical until it clicks
into place.
CHAPTER 5 MAINTENANCE
5-37