1. Pull the ITB cleaning unit out. (ITB Cleaning Unit)
  2. Rotate the lock lever [A] in the arrowed direction as shown below.
  3. Remove the lock lever [A].
  4. Remove the gears [A].
  5. Remove the coupling [A] and the bearing [B] (including the spacer).
  6. Remove the bearing [A] that has the side seal.
  7. Remove the ITB paper dust cleaning brush roller [A].

  8. Install the new cleaning brush roller and then use a brush to apply zinc stearate (D0149501) and yellow toner (D0149500) in an area 40 ~ 50 mm wide (shown below) on the installed cleaning brush roller.

    • Use the blower brush (D0747690) when applying zinc stearate and yellow toner to the cleaning brush roller.