Canon MB2100 Series Online Manual page 790

• If the USB flash drive is removed or becomes full while saving faxes is in progress, the error message is
displayed on the LCD. Press the OK button to dismiss the error.
• The folder and file name of faxes saved on the USB flash drive is as follows:
• Folder name: CANON_SC\FAXDOC\0001
• File name (file extension: PDF): Running numbers, starting from FAX_0001
• File date: The date and time of saving as set in the printer.
For details on how to set the date and time:
Setting Date and Time
• When removing the USB flash drive, set Auto save setting to OFF.
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