Image Control Moving Position Printing Report From Windows 7

Hi,

I have one of the most bizarre problems I've yet faced in NAV. I have a report object for printing sales invoices that contains 2 'Image' controls for printing a shaded block of colour to highlight an area on the document. The report has been used for over a year with no problems. Recently the customer has introduced their first Windows 7 PC, and when printing the report from this PC the image controls move position so they are out of line from the other controls on the page. All other controls on the report are unaffected.

This occurs whichever printer the Windows 7 PC prints to. All other PCs are Windows XP and print the report fine. I have tried updating all the Windows 7 printer drivers to the latest versions but to no avail.

Does anybody have any suggestions? The NAV version is Classic Client, version 2009 Build 27808 running against SQL Server 2008.

Thanks

Jonathan