Some rasters not showing up when printing to pdf

I received a file from a client that has several raster images embedded. When printing to pdf, some of the rasters show up just fine and some do not. The top row of rasters don't show up in the pdf or only bits and pieces of them do. The rasters are not xrefs and appear to have all the same properties. I've tried everything I can think of in the print menu to fix this and have not been able to. Can someone please help out?