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Solution:

1To identify the affected color, print three full-page, solid-fill A3 or DLT sheets for each of white and black, and three full-page, halftone A3 or DLT sheets for each of cyan, magenta, and yellow.

2Detach the charge unit of the affected color and wipe the charge roller with a dry rag to remove the stain.

3Print the image. Has the problem been resolved?

Yes

Finished!

No

Replace the charge unit.

Note

  • If white streaks appear at 189 or 40 mm (7.5 or 1.6 inches) intervals, carry out the procedure in see Black (color) Spots (1).

  • After performing the solution, it is recommended to perform the color calibration of the external controller.

  • Do not use ethanol or any other organic solvent to clean the charge roller. Otherwise it may cause damage to the charge roller.