Solution

Select “26: Full Dot Pattern” in SP2-109-003 (Test Pattern - Pattern Selection), and then print three pages in A3 paper for each color (cyan, magenta, black and green*).

• *: It is difficult to see white spots on the yellow image. Therefore, green is used instead of yellow.

Check the outputs and identify a problem color.

Remove the drum (photoconductor unit) for the problem color, and then check the drum surface.

Is the surface dirty?

Yes: Use a dry cloth to wipe away dirt from the drum surface, and then execute “0501 [Execute Cleaning Initial Setting for PCU]” in “Adjustment Settings for Skilled Operators”. Then go to next step.

No: Replace the drum (photoconductor unit), then go to next step.

Print the target image.

Is the problem solved?

Yes: Finish

No: Replace the drum (photoconductor unit) if it is not replaced or PCU cleaning unit.