Canon EOS 77D Mode D'emploi De Base page 36

Installing and Removing the Card
Removing the Card
Access lamp
When the access lamp is lit or blinking, it indicates that images are
being written to, read from, or erased from the card, or data is being
transferred. Do not open the card slot cover during this time.
Also, never do any of the following while the access lamp is lit or
blinking. Otherwise, it can damage the image data, card, or camera.
• Removing the card.
• Removing the battery.
• Shaking or banging the camera around.
• Unplugging and connecting a power cord (when household power
outlet accessories (sold separately) are used).
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Open the cover.
1
Set the power switch to <2>.

Check that the access lamp is off,

then open the cover.
If [Recording...] is displayed, close

the cover.
Remove the card.
2
Gently push in the card, then let it go

to eject.
Pull the card straight out, then close

the cover.