Label your disk with your name and phone number.
Disks can get confusing.
Check your Graphic Links. Before you send us a postscript or native file, check to make sure all your graphics are linked. Just select the File pull down menu, and select the Links Manager. If you want to print in 4 color Process, make sure these files are all linked to CMYK images. If you are sending us a file in its native format, be sure to include those graphics.