1. A blurred or double impression in printing, caused by paper slipping or improper registration.
Usage: printing and publishing term

1. To produce a blurred or double impression in printing; to cause mackling.
Usage: printing and publishing term; usually used in passive voice or as a gerund

Examples

• The printer noticed mackling on several pages of the run.
• The paper was mackling due to misalignment in the press.
• To avoid mackling, ensure the paper is properly registered before printing.
• The defective batch showed signs of mackling throughout.
• Mackling can occur when the impression cylinder pressure is uneven.