4-34
4
Service Procedures
CPU fan
The following steps describe the procedure required in order to replace the 12V CPU fan
and heatsink assembly. A clip holds the assembly to the CPU socket.
F
IGURE
4-22
Removing the CPU fan (clip not shown)
T
O
REMOVE
THE
CPU
FAN
AND
HEATSINK
1.
Remove the CPU fan cable from motherboard connector CPU FAN.
2.
Press down and hold the clip at the top of the CPU fan.
3.
Lift the fan and heatsink assembly away from the CPU.
T
O
REPLACE
THE
CPU
FAN
1.
Align the CPU fan with the heatsink and then press the assembly onto the motherboard.
2.
Reattach the CPU fan cable to motherboard connector CPU FAN.
3.
Reassemble the Print Controller X4(AR-PE1) and verify its functionality (see “Restoring
Print Controller X4(AR-PE1) functionality after service” on page 4-11).
CPU fan
Heatsink
CPU fan cable
CPU socket
CPU
Clip