Canon Color imageCLASS MF8450c Basic Operation Manual page 377

Printing from Memory Media (Direct Print)
10
Use [▼], [▲] or
the desired setting, then press [OK].
For details about <Print Settings>, see step 9 in
"Printing from Memory Media, " on p. 7-14.
11
Press (Start) to start printing.
When printing is complete, remove the memory
media.
Do not remove the memory medium when the
access lamp is blinking. The blinking lamp
indicates that the machine is accessing the data in
the memory medium. The data may be damaged
if you remove the memory medium at this point.
7-26
(Scroll Wheel) to select