Canon imagePRESS C800 Series Troubleshooting Manual page 237

Chapter 1
3) Set to scan and store originals and print data in the memory media.
Select Settings/Registration > Function Settings > Store/Access Files > Memory Media Settings > Use Scan/Print Function, and set to ON.
4) Turn off and then on the main power switch to enable these settings.
b) How to print a file stored in the memory media
1) Press "Access Stored Files" on the main menu and then select "Memory Media" from the displayed screen.
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