Dell 1600n - Multifunction Laser Printer B/W Service Manual page 61

Precautions
5.14 LSU
1. Before you remove the LSU, you should remove:
- Rear Cover (see page 5-2)
- Side Cover (LH, RH) (see page 5-3)
- Scanner Ass'y (see page 5-5)
- Front Cover (see page 5-4)
- Middle Cover (see page 5-11)
2. Remove the 4 screws securing the LSU and remove
it.
5.15 CRUM Board
1. Before you remove the CRUM Board, you should
remove:
- Rear Cover (see page 5-2)
- Side Cover (LH, RH) (see page 5-3)
- Scanner Ass'y (see page 5-5)
- Front Cover (see page 5-4)
- Middle Cover (see page 5-11)
- LSU (see page 5-18)
Service Manual
5-18
3. Unplug the two connectors.
2. Remove the 4 screws to separate the CRUM board
from the main frame as below.
CRUM Board