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4-66 Service Manual
Operator panel board removal
Warning: When replacing any one of the following components:
• Operator panel assembly (or upper front cover)
• System board assembly
• Interconnect card assembly
Only replace one component at a time. Replace the required component and 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 a component has been installed in a printer, it can not be used in another printer. It must be
returned to the manufacturer.
1. Remove the upper front cover. See “Upper front cover removal” on page 4-11.
2. Remove the seven screws (A), and remove the operator panel board.
Warning: When the operator panel is removed, some of the parts underneath are free to fall away from the
upper front cover.