Dell B5465dnf Mono Laser Printer MFP - Manual (Page 34)

Warning—Potential Damage: Controller board electronic components are easily damaged by static electricity.
Touch a metal surface on the printer before touching any controller board electronic components or connectors.
1 Access the controller board.
For more information, see “Accessing the controller board” on page 28 .
2 Unpack the optional card.
Warning—Potential Damage: Avoid touching the connection points along the edge of the card.
3 Holding the card by its sides, align the plastic pins (1) on the card with the holes (2) on the controller board.
2 1
4 Push the card firmly into place as shown in the illustration.
Additional printer setup 34