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HP Designjet Z6200 Photo Printer Series - Worm marks on HP Coated Paper with light area fills

Worm marks on HP Coated Paper with light area fills

Light bands (S-shaped) in the direction of the media axis when light area fills are printed, causing an unacceptable print-quality defect.
  • Print the Service Configuration Print and check whether the ambient humidity is very low (below 30%). Increasing humidity may help to reduce the severity of the problem.
note:
The paper is causing the problem and not the printer. Do not attempt to replace printer parts to solve this problem.