What is the maximum size document you can load in the ADF?

A.
297 mm x 420 mm (11.6 in x 6.5 in)
B.
300 mm x 432 mm (11.8 in x 17 in)
C.
332 mm x 420 mm (13 in x 16.5 in)
D.
217 mm x 281 mm (8.5 in x 11 in)
Explanation:
http://static.highspeedbackbone.net/pdf/c01499360.pdf (page 9)