i have 2004 on windows 2000xp. i can print but i cannot plot. my plotter is a hp-gl/2 1633a designjet when i open plot i see my plotter hewlett-packard hp-gl/2 plotter in plot device. in plotter name it say hewlett-packard hp-gl/2plotter-windows system driver. i use a custom paper sizes of (user 24x18) and (user1 36x24).i cannot add these.