I have ugraded to InDesign 5.5 (v. 7.5) for Mac OS. Here is my problem: If I have object "A" with transparency (lower than 100% opacity) or a drop shadow (which also uses a transparency) overlapping object "B", then "B" loses it fill when printing to a Xerox Phaser 7760GX. The fills appear fine when exporting to a pdf and when printing from the pdf. They also appear fine when printing on BW HP printer (sans the color, of course).
The file performs the same when I open on other computers with their own InDesign application. One of my colleagues has updated v. 7.5.1 but still has same problem.
So far, I have:
Oh, I forgot to mention that I also lose the drop-shadow or transparent item.
Some printers just don't get along well with ID. Exporting PDF and printing that is the normal workaround.