Dell 1815 Mono Laser Service Manual page 60

5.16 Fan
1. Before you remove the Fan, you should remove:
- Rear Cover (Refer to 5.4)
- Side Cover Right (Refer to 5.6.3)
2. Unplug the two connectors from the Connection PCB,
as shown below.
Connection
PCB
Duplex Fan
Main Fan
3. Remove the two screws securing the Fans and then
pull the Fans (Main, Duplex).
Precautions
Duplex Fan
Main Fan
Service Manual
5-25