5 Disconnect all connections from the system card assembly.
Note: There are two
fine
thread screws and four course thread screws securing the system card
assembly to the machine. Ensure that these screws are properly reinstalled.
6 Remove the six screws (B) securing the system card assembly to the machine.
Warning—Potential Damage: When removing the system card assembly from the machine, ensure that
the LVPS assembly connection (C) is not damaged.
7 Remove any remaining screws securing the system card assembly to the metal box.
8 Remove the system card assembly.
Installation warning: Ensure that all ground wires are properly replaced.
Installation warning: When replacing the system card assembly, ensure that the LVPS assembly
connections (C) are properly aligned and inserted into the system card assembly, or damage will occur.
Right side removals
Duplex cooling fan removal
1 Remove the right side cover. Go to “Right side cover removal (models X651, X652, X654, and X656)” on
page 332 or “Right side cover removal (model X658)” on page 331.
2 Remove the screw (A) securing the duplex cooling fan to the machine.
3 Disconnect the connector (B) from the duplex cooling fan.
AB
4 Remove the duplex cooling fan.
Installation warning: When replacing the duplex cooling fan, ensure that it is installed as shown in the
picture.
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Repair information
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