1. Perform Steps 1 to 7 of "Connecting to Main Machine Tray" (Connecting to Main Machine Tray).
  2. Pull out the paper feed tray of PB3150.
  3. Put the harness of the heater [A] for the optional paper feed unit through the hole at the inner rear frame, and then attach it (x1).
  4. Remove the securing brackets [A] of Paper Feed Unit PB3150.
  5. Remove the rear cover [A] of Paper Feed Unit PB3150.
  6. Remove the bracket [A] on the bottom of the main machine (x1).
    The removed bracket can be discarded.
  7. Connect the PFU harness [A]  to the relay harness [B] ( x4).
  8.  Unscrew the marked screws and disconnect the connector indicated with red arrow.
  9. Release the harness.
  10. Tilt the controller board [A] to the front.
  11.   Peel the plastic sheet [A]
  12. Run the heater cable through the opening behind the peeled plastic sheet and connect it
  13. Reinstall the removed parts and covers.
  14. Connect the power supply cord and turn ON the main power.

To set the anti-condensation heater to always ON, follow the steps below.

  1. Set the setting of SP5-805-001 (Anti-Condensation Heater ON/OFF setting) to [1].
  2. Manually disconnect the PCU and scanner heaters.

  • The PCU and scanner heaters must be disabled because the temperature in the machine could become too high, causing problems with toner clogging, or damage to the scanner lamp stabilizer.