1. Disassemble the PCDU into PCU and development unit (PCU/Development Unit).
  2. Replace the used development unit with a new one.
  3. Reassemble the PCDU.
  4. Remove the cap [A].

    • Attach the removed cap to the used development unit.

  5. Attach the development unit to the main machine.
  6. Pull out the heat seal [A].