4-72 Service Manual
5060-4xx
System board
Go to “System board, non-network, 401/421 only” or “System board, network, 402/422 only” on page 7-33.
1. Remove the outer system board shield. See “Outer system board shield” on page 4-54.
2. Disconnect all the cables from the system board.
3. Remove the USB screw (A) and parallel port cover (B), if applicable.
4. Remove the eight screws (C) type “232” on page 4-3 from the system board.
5. Remove the system board.
Note: When reinstalling the system board, verify the input and output option cables are fully connected.
To verify the input sources are recognized:
1. On the operator panel, at the Ready prompt, select Paper Menu.
2. Select Paper Source.
3. Make sure all installed options are listed.
To verify the output options are recognized:
1. At the Ready prompt, select Paper Menu.
2. Select Output Bin.
3. Make sure all installed options are listed.
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