Repair information 4-149
7562
System board removal
See “Rear” on page 7-15 for the part number.
Note: When ordering a new system board, ordering 40X7168 is also recommended.
Warning: The following components contain mirrored NVRAM. When replacing any of the following
components, replace only one component at a time:
• System board
• Flatbed scanner assembly
• Scanner interface card
Replace the required component, and then perform a POR before replacing a second component listed above.
If this procedure is not followed, the printer will be rendered inoperable. Never replace two or more of the
components listed above without a POR after installing each one, or the printer will be rendered inoperable.
Warning: Never install and remove components listed above as a method of troubleshooting components.
Once you install one of these components in a printer and perform a POR, the component cannot
be used in another printer. It must be returned to the manufacturer.
1. Remove the system board upper shield. See “System board upper shield removal” on page 4-30.
2. Remove two screws (A) to remove the RIP card shield from the system board.