Canon imagePRESS Server G250 V2, Руководство по обслуживанию

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2. Prepare the CPU socket by ensuring that:
• The socket lever is in the open position.
• The load plate is open.
3. Place the CPU in the socket (see “To remove a CPU” on page 33 ).
The CPU and the socket are keyed to ensure correct installation. The two notches on the edges of the CPU correspond with
the two small posts inside the socket. Align the two notches properly with the two small posts.
Align the yellow triangle on the CPU with the flat corner of the socket. Do not force the CPU.
4. Close the load plate.
5. Lower the socket lever and place it in the locked position under the retention post.
6. Prepare the CPU cooling assembly for installation.
• Make sure that the motherboard is placed on a padded, antistatic work surface.
• Apply the fresh thermal compound square, as described in step 1.
• Align the cooling assembly so that when it is installed, the fan cable easily reaches the CPU fan power connector CPU
FAN on the motherboard.
7. Place the cooling assembly on the CPU.
• Make sure that the thermal pad on the underside of the heatsink is positioned on top of the CPU.
CAUTION:
Be sure to remove any protective material that may be covering the surface of the thermal pad.
Otherwise, the CPU may overheat.
• Align the four screws with the four screw posts.
• Tighten the screws. Partially tighten all the screws before tightening any one screw all the way.
8. Connect the CPU fan cable to the motherboard connector CPU FAN.
The cable connector is keyed to fit only one way. Make sure that the connector on the cable is securely attached to connector
CPU FAN on the motherboard.
9. Install the motherboard in the chassis (see “To replace the motherboard” on page 30 ).
10. Replace the motherboard components (see “To replace motherboard components” on page 31 ).
11. Reassemble the imagePRESS Server and verify its functionality (see “To reinstall and verify the imagePRESS Server”
on page 44 ).
12. If you installed a new CPU, configure the time and date in Setup (see “To configure the system date and time” on
page 25 ).
■ Service board
The service board contains the LED display and service switches.
● To remove the service board
1. Access and open the
imagePRESS Server
, as described on “To access the imagePRESS Server” on page 18
2. Disconnect the service board cable from the service board and motherboard.
3. If you are replacing the service board cable, remove the cable from the plastic clips that secure it to the chassis.
3. REPLACING PARTS
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