So this is the second time a client builder of mine has taken an Arch D scaled PDF plan and printed it to 11x17 [ANSI B] on an HP Officejet 7612 and also an HP Officejet 8600 Premium from an Apple computer and the pages with exported 3D images all print with a solid black background.  (Those are all the variables I can think of).    When I send the same PDF file to my Brother MFC laser printer it prints 8.5x11 fine.....no black issues. Since I can't reproduce the condition I can't