- The PCDU (K) for MP C307 is different from the one for MP C407. Make sure that you use the correct part number when ordering a PCDU (K).
- Remove the waste toner bottle. (Waste Toner Bottle)
Only when removing the PCDU (K), release the ITB contact lever [A].
- This step is not required for removing the PCDU (CMY).
- Check that the ITB has no tension before removing the PCDU. Otherwise, the ITB may be damaged. To release the tension of the ITB, turn the ITB contact cam's screw [A] counterclockwise, until the flat part of the half moon on the screw points to the right.
Remove the PCDU [A] (
× 2,
× 1,
× 1)
- Before putting the PCDU back in the machine, check that the ITB has no tension. See step 3 for how to do this.
Put the removed PCDU on a flat surface with a sheet of paper under it.
- After replacing the PCDU, set the ITB contact lever released in step 2.
- A new unit detection mechanism for the PCDU clears the PM counters automatically.
- After replacing the PCDU, do the skew adjustment manually. See “Color Skew Adjustment”.