Greetings,
What file format is the USB stick you are using?
Are you using a PC or MAC. I've used FAT16/32 and NTFS successfully. The manual states FAT file system, but NTFS works as well.
I used my NTFS formatted USB stick on my MF 656 Friday.
~Rick
Bay Area - CA
~R5 C (1.0.7.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, +RF 1.4x TC, +Canon Control Ring, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve ~Windows11 Pro ~ImageClass MF644Cdw/MF656Cdw ~Pixel 8
~CarePaks Are Worth It
