2Operating system problemsCommon Mac problemsCondition Suggested solutionsThe machine does not print PDF filescorrectly. Some parts of graphics, text, orillustrations are missing.Printing the PDF file as an image may enable the file to print. Turn on Print As Image from the Acrobat printing options.It will take longer to print when you print a PDF file as an image.Some letters are not displayed normallyduring cover page printing.Mac OS cannot create the font while printing the cover page. The English alphabet and numbers are displayed normally onthe cover page.When printing a document in Mac withAcrobat Reader 6.0 or higher, colorsprint incorrectly.Make sure that the resolution setting in your machine driver matches the one in Acrobat Reader.Refer to the Mac User’s Guide that came with your computer for further information on Mac error messages.5. Troubleshooting 189