Ricoh Di-C1 Manual page 31

Optional USB 2.0/SD card slot
Up to 2 GB of data can be saved.
However, depending on the number of files already stored
on the removable memory device, new files might not be
saved, even if there appears to be sufficient free space.
This machine supports FAT16 format USB memory devices
and SD cards. Other forms of removable memory device
are not compatible.
Saving might fail if the USB memory device has password
protection or other security features.
To save files on a removable memory device, you must
attach the optional USB 2.0/SD card slot to the machine.
File formats that can be used:
Single page TIFF/JPEG/PDF (including high compression
PDF)
Multipage TIFF/PDF (including high compression PDF)
Slide 31
No additional notes
31
Di-C1 Training