Lexmark C782 Service Manual - Page 317
System board removal, Remove the USB screw A.
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5061 System board removal See "System board, network-1xx/3xx only Also order cable tie parts packet (P/N 40X1648)" on page 7-33 for the part numbers. Note: For a color image of the cabling, see "System board cabling reference" on page 5-6. Warning: When replacing any one of the following components: • Operator panel assembly • System board assembly • Media size sensing 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 cannot be used in another printer. It must be returned to the manufacturer. 1. Remove the outer system board shield. See "Outer system board shield removal" on page 4-69. 2. Disconnect all the cables from the system board. 3. Remove the USB screw (A). 4. Remove the eight screws (B) type "232" on page 4-3 from the system board. Repair information 4-89