Kyocera TASKalfa 3500i Operation Manual page 165

Originals of Different Widths (Available for metric models only)
Place all originals of different widths. The supported combinations of originals are as follows.
NOTE:
When mixing the original sizes as using the following combination: A4-R, B5-R, and Folio, make sure
to set the System Menu key -> Common Settings -> Original / Paper Settings -> Original Auto Detect to [On]
for [Folio].
For more information, refer to Original Auto Detect (Available for metric models only) on page 9-10.
A3, B4, A4 and B5
B4, A4-R and B5
A4-R, B5-R and Folio
B4 A4-R B5
A4-R B5-R
4-7
Copying Functions
A4-R
B5 B4
B5-R
A4-R
4