• Before replacing the development filters, set SP3-701-025 to “1” and turn the main power switch OFF.
  • If you have to turn the power on again before replacing the part, execute the SP again before replacing the part.
  • After replacing the development filters, turn the main power switch ON.

  • If you replace the development filter together with developer, first replace the developer, then replace the filters.

  1. Remove the development unit. (PCU/Development Unit)
  2. Remove the development filters [A].