Hi fmathieu.
I will be able to provide more information about your inquiry.
The imageCLASS MF620 series does not support automatic duplex scanning. To manually scan two-sided documents, one recommendation is to scan all of the odd pages first, and then scan the even pages. You may need to adjust the files in the program you use to view the scans.
If you need further assistance, please contact us at 1-800-OK-CANON (1-800-652-2666) for further assistance.
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