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# Common Problems

This section describes how to troubleshoot common problems that may occur while operating the machine.

Problem | Possible cause | Solution
--- | --- | ---
The machine does not turn on. | The power cord is not connected properly. | Make sure that the power plug is firmly inserted into the wall outlet. Make sure that the wall outlet is not defective by connecting another working device.
An error message is shown on the machine's screen. | An error has occurred. | See Error and Status Messages on the Screen.
Pages are not printed. | The machine is warming up or receiving data. | Wait until `“Printing...”` appears on the screen. If `“Processing...”` is displayed on the screen, the machine is receiving data.
Pages are not printed. | The interface cable is not connected correctly. | Reconnect the cable. Check that the interface cable is the correct type.
Strange noise is heard. | The supplies or options are not properly installed. | Confirm that the supplies or options are properly installed.
The volume of the sounds produced by the machine is too loud. | The volume is set to the high level. | Adjust the volume of the beep, ring, speaker, and alarm sounds. For details, see System Settings.
The volume of the sounds produced by the machine is too quiet. | The volume is muted or set to the low level. | Adjust the volume of the beep, ring, speaker, and alarm sounds. For details, see System Settings.

- If any of these problems persist, turn off the power, pull out the power cord, and contact your sales or service representative.