Canon imagePRESS P400 Service Manual page 38

CPU and CPU cooling assembly
No.
1 CPU fan
2 Heatsink
3 CPU
4 Load plate
5 CPU socket on motherboard
6 Socket lever
CAUTION:
If you remove the CPU from the motherboard in order to install it on a new motherboard, unpack the new motherboard and
remove the protective plastic cover on the CPU socket. Transfer the protective cover to the CPU socket of the old
motherboard to protect the circuitry. Follow standard ESD precautions while handling the motherboard and all components.
● To remove a CPU
1. Access and open the imagePRESS Server, as described on
2. Remove the motherboard components (see
27).
3. Remove the motherboard from the chassis (see
Place the motherboard on a flat, antistatic surface.
4. Remove the CPU fan cable from motherboard connector CPU FAN.
Figure 13: CPU cooling assembly
Item
"Accessing the imagePRESS Server" on page
"To remove motherboard components from the motherboard" on page
"Remove the motherboard" on page
32
3. REPLACING PARTS
18.
27).