Kyocera ECOSYS M3645dn Operation Manual page 200

Operation on the Machine > What is Document Box?
Removable Memory Box (page 5-39)
A USB memory stick can be connected to the USB memory slot on the machine to print a saved file. You can print data
directly from the USB memory without a PC. Image files scanned using this machine can also be saved to USB memory
in the PDF, TIFF, JPEG, XPS, OpenXPS or high compression PDF format (Scan to USB).
Sub Address Box/Polling Box
Sub Address Box/Polling Box store the fax data.
FAX Operation Guide
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