Firmware Update Procedure (D160/D161/D) - Ricoh D158 Service Manual

Firmware Update
6.2.2 FIRMWARE UPDATE PROCEDURE (D160/D161/D170)
Engine (BICU)
An IC card and the bridge board [A] (with FFC [B]) are required for updating the engine firmware.
1. Acquire the update data then install it on the IC card.
2. Insert the IC card [A] into the bridge board [B].
3. Connect the FFC to the board, and pull the hook [C] up to lock it. Be sure to attach the FFC on
its correct side as shown below.
4. Turn the main power switch off, and connect the bridge board and BICU board (CN190).
D158/D159/D160/D161/D170 6-5 SM