Canon imagePASS-P2 Service Manual page 33

● To replace motherboard components
1. Replace the following cables to the motherboard (see
connector):
• 10-pin power button cable
Connect one end of the 10-pin power button cable to J351 connector on the printer interface board. Connect the other
end to the J11 connector on the motherboard. The cable connector is keyed to fit only one way.
• Service board cable
• 24-pin power cable. The cable connector is keyed to fit only one way.
• 4-pin power cable. The cable connector is keyed to fit only one way.
• HDD data cable
• Chassis fan cable
2. Replace the printer interface board(see
3. Reassemble the imagePASS(see
■ CPU and CPU cooling assembly
The CPU is installed in a socket on the motherboard. Before removing the CPU from its socket, remove the
motherboard from the chassis (see
motherboard, and remove the cooling assembly from the CPU socket (see
assembly consists of a fan and a heatsink.
NOTE:
Do not remove the CPU fan from the heatsink.
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"To check cable connections" on page
"To replace the printer interface board" on page
"To reinstall and verify the imagePASS" on page
"Removing the motherboard" on page
Figure 18: CPU cooling assembly
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3. REPLACING PARTS
17for the location of each
20).
38).
24), disconnect the CPU fan cable from the
"To remove a CPU" on page 29). The CPU cooling
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