Unwanted lines in InDesign Doc

[Hugh_-_Grá_Design]

Hi All.

I'm using InDesign CC to create a document and am getting frequent lines across my layout.

I have noticed them before now but only just started to notice them coming out on my printed proofs.

Can anyone understand what is happening & how to get rid of them. I have attached an image below.

I am exporting directly to PDF from the file menu. I haven't messed with any of the colour profiles and this never happened with CS6 or earlier.

Any help is greatly appreciated.

Thanks.

Hugh.

[cinziamarotta · Accepted solution]

Hi Hugh,

Which preset did you select to export in PDF? I suppose the problem is the transparency flattener. Try using PDFX-4.

[Hugh_-_Grá_Design]

Thanks, I was just using the standard [High Quality Print] preset which never gave me any problems before. I'll output using the PDFX-4 preset for the next while to see if the problem persists. I'm still getting the line on screen before outputting though which is still a worry.

It seems to have worked this time, I'll close the question off after I output a few more doc's.

Thanks for the help.