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In 1914 Lew A. Cummings and two employees opened a small commercial printing company and began operation. Over the next 100 years Cummings Printing has evolved into a magazine and catalog printer competing on a national scale. 

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Tech Note 044: White Lines - PDF PDF Print E-mail
Monday, 17 January 2011 08:57

When you create version 1.3 PDF, white lines might be visible in the PDF. White lines are likely to be a display issue in Acrobat. Here are some conditions that can cause this.

• Spot colors can cause the white lines to print if file is used in a 4 color workflow. All spot colors need to be converted to 4 color process.

• White lines can also appear if an image file behind objects or text that have transparency applied, including drop shadows. This tech note is based on Knowledge Base Tech Note (kb403359) from Adobe's web site.

http://www.adobe.com/go/kb403359

TN44_01

Here are a few reasons that "White Lines" may appear.

• White or dark lines might appear in areas where process colors and spot colors interact during flattening.

• You might have an image file behind objects or text that have transparency applied, including drop shadows.

IMPORTANT: All spot colors must be converted for 4 color process workflows.

 

Last Updated on Tuesday, 07 June 2011 14:54
 

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