Canon PIXMA G620 Printer - Manual (Page 289)

Scanner Does Not Work
Check 1 Check that your scanner or printer is turned on.
Check 2 With network connection, check the connection status and reconnect as
needed.
Check 3 With USB connection, connect the USB cable to a different USB port on the
computer.
Check 4 If the USB cable is connected to a USB hub, remove it from the USB hub and
connect it to a USB port on the computer.
Check 5 Restart the computer.
Check 6 To scan from the printer's operation panel with USB connection, click Scan-
from-Operation-Panel Settings in the Settings (General Settings) dialog, and then
check that the following checkboxes are selected.
• Your scanner or printer
•
Enables scanning from the operation panel
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