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1. Operation panel unit (page 1)
2. CPU board (page 5)
3. Remove the FFC from the micro computer board 
×1).
Pull out the black part to unlock the connector, and then remove the FFC.
4. Micro computer board [A] 
×1, 
×2)
By factory default, switches No.3 and No.7 of the DIP switch [A] on the micro computer board are set to ON. When installing the operation panel unit, make sure that the DIP switch setting is correct for the MFP on which you are installing the panel.
The correct DIP switch setting depends on the MFP. Note the DIP switch settings of the old operation panel unit before replacing, and apply the same settings to the new Smart Operation Panel. (Below are two examples for DIP switch settings.)
When No.3 and No.7 are set to ON This is the factory default setting of a service part | When only No.3 is set to ON |
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If the DIP switch setting is wrong, SC672 will be displayed.
After replacing the micro computer board, perform the following checks:
LED Check (page 52)
Key Check (page 52)
