Scanner unit assembly removal (models X651, X652, X654, and X656)
Warning—Potential Damage: When replacing the system card assembly and the operator panel assembly,
make sure to:
• Replace only one component at a time.
• Perform a POR every after each component is replaced.
If this procedure is not followed, then the printer will be rendered inoperable.
These components can be used as a method of troubleshooting as long as the machine is booted into diagnostic
mode or is operating in diagnostic mode. Once a component has been installed in a machine and powered up
into user mode, it cannot be used in another machine. It must be returned to the manufacturer.
1 Remove the ADF unit assembly. Go to “ADF unit assembly removal (models X651, X652, X654, and X656)”
on page 560.
2 Remove the scanner controller card cage cover.
3 Remove all cables.
4 Remove the two plastic screws (A) and screw (B) securing the ground strap to the left side of the scanner
unit assembly.
B
A
5 Remove the scanner right cover. Go to “Scanner right cover removal (models X651, X652, X654, and
X656)” on page 524.
6 Remove the two plastic screws (C) securing the right side of the scanner unit assembly to the printer.
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Repair information
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