Canon C70 - Manual (Page 375)

Appendix A Specifications A-15
Specifications
When the document feed lever is set to Manual document feed
Maximum Document Size Minimum Document Size
Note that the scanning length may be shorter than the length of the
actual document.
216 mm 80 mm
45 mm
UP TO A
MAXIMUM OF 32
MINUTES FOR
EACH PAGE OR
1 METRE IN
LENGTH