The scanner unit heater is an option and requires installation.

  1. Remove the left cover (x7).
  2. Raise the ADF
  3. Remove the rear scale (x3).
  4. Remove the left cover (x2).
  5. Remove the front ā€œLā€ cover (cap x1, x1, x 2)
  6. Remove the exposure glass.
  7. Turn the scanner motor belt to move the 1st scanner carriage from left to right as far as the lens block cover.
  8. Position the heater and fasten the right end ( x1).
  9. Align the hole of the heater with the hole [A] in the plate.
  10. Pass a screwdriver through the hole and fasten the screw [B] ( x1).
  11. Pass the heater harness through the hole in the frame [A].
  12. Connect the connectors on the right side of the machine [B].