Ricoh SP 330DN Field Service Manual page 106

4.Replacement and Adjustment
2. Remove the main board [A].
Disconnect the scanner FFC by pulling it out straight, because it does not have a lock mechanism.
Main Board (MF Touch Panel Models)
1. Remove the left cover
2. Remove the main board [A].
Disconnect the scanner FFC by pulling it out straight, because it does not have a lock mechanism.
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(Left Cover).