1. Install the heater board. (Installation Procedure)
  2. Connect the Scanner/PCU Harness [A] to CN922 of the heater board [B] and clamp the harness.
  3. Attach the clamps around the controller board in the rear main unit.
  4. Route the heater cable to the rear of the main unit.
  5. Clamp the harness [A].
  6. Open the DF or platen cover.
  7. Remove the guide scale [A].
  8. Remove the sheet-through exposure glass [A].
  9. Remove the rear scale [A].

  10. Remove the left scale and the exposure glass [A].

    • The exposure glass and the left scale are attached with double-sided tape.

  11. Move the carriage to the right.
  12. Attach the heater [B] to the bracket [A] provided with the accessories (×2).
  13. Remove the release paper [A] on the back side of the bracket, and secure the heater [B] with the seal, aligning it with the boss on the frame.
  14. Pull the harness [A] out of the frame hole.
    Route the harness into the harness guide.

  15. Set the tabs into the cutout [A], and attach the heater cover [B].

  16. Connect the connector, which is shown in step 14, to the Scanner/PCU Harness.
  17. Attach the scanner scales and exposure glass, and all covers which have been removed.