PCDU
Notes when replacing a PCDU
• When replacing a PCDU, remove the seal from the new PCDU. For details about removing the
seal, see page 77 "Removal of PCDU Seals: Overview".
• Make sure that the cap of the toner supply opening [A] is removed before installing a new PCDU in
the machine. Otherwise, toner may be scattered inside the machine.
MP C3004/C3504/C4504
• Do not release the spring pressure in the PCDU for MP C3004/C3504/C4504. If you have
mistakenly released the spring pressure, attach the springs (page 550 "Attaching the springs").
MP C5504/C6004
• From the new PCDU, remove the one component that prevents compatibility with the MP C5504/
C6004, and adjust the spring pressure, before installing a new PCDU in the machine.
Releasing the spring pressure and removing the component that prevents compatibility with MP C5504/
C6004
RTB 43
Agitate the developer by shaking the unit
PCDU
547