Printing image or canvas in Flex3 - scale error

Question

I'm trying to print an Image and/or Canvas with ActionScript - however scaling doesn't work. I'm trying to scale down the image/canvas to have it fit to page. During testing it seems that Flex doesn't care if I set the size of the Image/Canvas trough width/height properties or scaleX/scaleY properties, it just chooses to print the content in its original size. If I set the size of the Image/Canvas specifically down inside the mXml tags, the content is correctly scaled to that size when printing.

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" height="2000" width="750">
<mx:Script>
<![CDATA[
        private function print():void {
            var pj:PrintJob = new PrintJob();

            if (pj.start()) {
                var scaleX:Number = pj.pageWidth / printMe.width;
                var scaleY:Number = pj.pageHeight / printMe.height;
                var newScale:Number;

                if (scaleX < scaleY)
                    newScale = scaleX;
                else
                    newScale = scaleY;

                if (newScale < 1.0) {
                    printMe.scaleY = printMe.scaleX = newScale;
                    debug("Scaling down to " + newScale);
                }
                else
                    debug("No scaling");

                pj.addPage(printMe);

                pj.send();

                printMe.scaleY = printMe.scaleX = 1.0;
            }

        }

        private function debug(msg:String):void {
            trace("testprint: " + msg);
        }
    ]]>
</mx:Script>
<!--
<mx:Image id="printMe" scaleContent="true" autoLoad="true">
    <mx:source>http://www.firstpeople.us/pictures/bear/1600x1200/Forest_Wild_Grizzly_Bear-1600x1200.jpg&lt;/mx:source&gt;
</mx:Image>
-->
<mx:Canvas id="printMe" width="648" height="1000" color="#B4B4B4" backgroundColor="#6B6B6B" borderStyle="none" borderColor="#FF0000" borderThickness="1">
    <mx:Label y="0" text="Test test test" color="#FFFFFF" left="0"/>
    <mx:Label text="Test test test" color="#FFFFFF" bottom="0" right="0" width="79" textAlign="right"/>
</mx:Canvas>

<mx:Button label="Print" click="print();"/>