PDF And You

Crackerjack also solves the problem of spot colors, duotones, tritones and other DeviceN operators for those shops that lack PostScript 3 RIPs. Otherwise, you must have Photoshop 5.0 in order to save these in composite format.

For shops using an OPI workflow, Acrobat 4.0 reportedly supports the OPI 2.0 specification as well as 1.3. On a practical level, Lantana's OPI Doctor is a utility that helps troubleshoot and repair "broken" links, swap low/high-res images, change resolution, as well as rotate/resize the image.