Error messages
- Understanding Design Error Messages
- Ordering from the correct site
- Removing crop marks
- How to preflight a PDF
- How to convert text to shapes in Adobe Photoshop
- How to Create Outlines in Adobe Illustrator
- How to convert spot or Pantone colour to CMYK
- Document uses security
- Document is more than one page
- Cropbox does not equal Mediabox
- Document contains annotations
- Page is blank/empty
- Pattern or shading is used