Error messages
- Design error messages
- Removing crop marks
- Video tutorial: how to outline text
- Video tutorial: how to preflight a PDF
- Ordering from the correct site
- 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