Troubleshooting
If one of the following problems occurs during use, try the actions suggested in this section before contacting technical support.
Check the following first:
Is the Power Switched ON?
|
Make sure that the power cord is securely plugged into the machine and into the wall outlet.
See the Starter Guide.
|
|
Make sure that electricity is supplied from the power cord.
Use another power cord or check to see if the cord is broken using a voltmeter.
|
|
Turn ON the power switch.
See the Starter Guide.
|
If there is no problem, check "Has the Power Switch Been Just Turned ON?"
Has the Power Switch Been Just Turned ON?
|
Wait a few moments until the machine starts and warms up.
|
If there is no problem, check "Is the Machine in the Sleep Mode?"
Is the Machine in the Sleep Mode?
|
Press [
 ] (Energy Saver) on the operation panel to exit the Sleep mode. |
If there is no problem, check "Is the Error Indicator on or Blinking?"
Are the Settings Properly Configured?
|
If the machine makes the error sound and does not start operating even after [
 ] (Start) has been pressed, the settings may not have been configured properly. Check the configured settings. |
Is the Error Indicator on or Blinking?
|
Make sure that paper is loaded properly in the paper cassette or multi-purpose tray.
|
|
Check if paper is jammed.
|
|
Turn OFF the power switch, wait 10 seconds, and turn it ON again.
See the Starter Guide.
If the problem is solved, the Error indicator will turn off and the display will return to standby mode. If the Error indicator keeps blinking, unplug the power cord and contact your local authorized Canon dealer or the Canon help line.
|
If there is no problem, check "Does a Message Appear on the Screen?"
Does a Message Appear on the Screen?
|
If an error message appears on the screen, see the following section and try the appropriate action.
Print the Communication Management Report to see if any errors are listed.
|
If there is no problem, check "Is the Telephone Line Connected or Configured Properly? (MF4890dw/MF4870dn/MF4780w/MF4750 only)"
Is the Telephone Line Connected or Configured Properly? (MF4890dw/MF4870dn/MF4780w/MF4750 only)
|
Make sure that the telephone cable is properly connected. Check if that the cables for the telephone line port and external device port on the back of the machine are not connected inversely. See the Starter Guide.
|
|
Make sure that the line type (dial or push) specified in the menu corresponds to the type of line connected to the machine.
|
|
Make sure that the telephone line is not receiving interference from nearby devices such as a microwave oven. This may affect the status of the telephone line.
|
If you still experience problems after trying the actions suggested in this section, see the following sections to solve the problems:
"