Ricoh IM 550F Field Service Manual page 402

Remove the HDD (OT2) [A] from the HDD bracket.
3.
Adjustment after Replacement
Execute SP5-832-001 to initialize the HDD (OT2).
1.
Initialization should be performed for the HDD (OT2) which has already been formatted before.
If applicable, execute SP5-846-052 to restore the address data from SD card to the HDD (OT2).
2.
Turn the main power OFF/ON.
3.
When Installing the Flat Cable
Follow the instructions when installing the flat cable.
[A]: Flat cable between engine board and BiCU (PCB16)
[B]: Flat cable between scanner and BiCU (PCB16) (IM 550F/600F/600SRF only)
[C]: Flat cable between DF and BiCU (PCB16) (IM 550F/600F/600SRF only)
Flat Cable between IOB (PCB17) and BiCU (PCB16)
When installing a new flat cable, fold it as shown below.
4.Replacement and Adjustment
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