High-density prints can cause cockle mainly on HP Coated Paper. This causes two main problems:
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Cockling in the borders - Because the printer places too much ink on the Coated Paper, the borders of the print become raised, causing the Printhead to crash against the paper. To solve the problem, add a 15 mm white margin to the edges of the images.
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Cockling within the print - If the printer places too much ink within the print, the paper starts to ripple, causing the Printhead to smear against the paper. To solve the problem, try the following:
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Check in the Front Panel if Ink Limiting is ON or OFF. If Ink Limiting is OFF, turn it ON.
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Avoid using HP Coated Paper for high-density prints. As a substitute, use HP Heavyweight Coated Paper.
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