Solution
Is the camera set to self-timer shooting?
With self-timer shooting on, even if you press the shutter button, the photograph will not be shot immediately.
Turn self-timer shooting off using the procedure below.
NOTE
<

>: Drive mode selection button / <

>: Cross keys / <

>: Main Dial / <

>: Setting button
*The icons and markings indicating the camera’s buttons, dials, and settings correspond to the icons and markings on the camera and on the LCD monitor.
1. Press the <

> button.
2. Select an item other than the self-timer using the <

> or <

>.
The procedure for single-image shooting (

) is selected in the image below.
3. Press the <

> button.
The camera is set to single-image shooting (

) and self-timer shooting is turned off.