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I am having trouble with paper size calculations using a Java application to send a print job to a Xerox Workcentre 7545 printer. Java has an interface to obtain the physical size of a printer (values given in points, e.g. multiples of 1/72nd of an inch). I use this data to scale my images and create a layout with even margins, etc. This works like a charm when I print to 8.5-by-11 paper, but when I select Tabloid size paper (11x17), the interface returns the same values (612-by-792 points) as it does for the letter size and I end up with a small image that uses only part of the printed sheet.
Details: I am operating under Windows XP with Java 1.7 (also tried 1.6). Landscape orientation. It's a brand new unit which my company has on an evaluation basis, so I assume the latest drivers are installed, but I don't know for sure.
The Java API I am using is the PageFormat class, though as an experiment I also drive the getPaper() method to see if the Paper class gave me a different answer.