1. Remove the operation panel unit. (Refer to "Operation Panel (PCB13)", "Replacement and Adjustment" in Main Chapters.)
  2. Remove the bottom cover (Main Controller Board).
  3. Remove the speaker (OT1) [A] together with the speaker holder.
  4. Remove the speaker (OT1) [A] from the speaker holder [B].

  • After replacing the Speaker (OT1), perform the following check.