Are printer drivers up to date on those PCs?

>I have a report that has a bitmap with some blue text and some black text.
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>On two machines on the network, the blue text does not appear on the report.
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>The bitmap also has a graphic image that is also blue.
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>This app is running on many machines with no issues. The two machines were upgraded to windows XP. (Previously they were Windows 98SE machines.)
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>Any ideas why the colour blue (Since the black appears, it might be any colour but black, however the image only is black and blue on a white background, but I don't know this.) does not appear?
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>Or any ideas of some ways to find out more information and troubleshoot this. The printers are HP Lasers. There is no data stored in the report. (I removed it from them.)
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>Mike