Ricoh C211 Service Manual page 569

4. Thermal Head Control Board
1) Remove the master processing unit.
2) Remove the bottom plate [A] of the master processing unit.
3) Disconnect the 5 connectors (a to e).
4) Remove the control board [B] (6 screws).
Note: Refer to the Thermal Head Removal procedure of the SS830.
[B]
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