If my arithmetic is correct, that is about 209 mm by 152 mm.
Inches X cm/inch x 10 = mm
That seems very close to size A5, 148x210, which shows in my HPLIP toolbox. You might have to play with the portrait vs. landscape setting.
If you aren't using an HP with HPLIP, your mileage may vary.
Last edited by frankbell; 07-25-2011 at 09:08 PM.