Dell 3333/3335dn Mono Laser Printer - Manual (Page 30)

2 Lift the front of the scanner unit to open the system board.
3 Use the following illustration to locate the appropriate connector.
Warning—Potential Damage: System board electronic components are easily damaged by static electricity.
Touch something metal on the printer before touching any system board electronic components or connectors.
1 Flash memory or firmware card connectors
2 Fax card connector
3 Printer hard disk connector
4 Memory card connector
Additional printer setup 30