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16 Problem Solving
Troubleshooting
This section describes problems that may occur with the machine and their solutions.
Follow the troubleshooting procedure below to solve the problems.
The machine is not powered on.
No
The touch screen is too dark.
No
16
A message is displayed.
No
The machine does not work
properly.
No
Poor image quality
No
Trouble during copying
No
Trouble during printing
No
444
Cause
Is the reset button or power switch off on the machine?
Yes
Action
Turn the reset button and power switch on.
Refer to "Power On / Off" (P.34).
Cause
Is the power cord plugged into the power outlet?
Action
Turn the power switch off, and then firmly plug the power cord into
the power outlet. Then turn the power switch on.
Refer to "Power On / Off" (P.34).
Cause
Is the power cord disconnected from the machine or the rear of the
rack?
Action
Turn the power switch off, and then firmly plug the power cord into
the connector. Then turn the power switch on.
Refer to "Power On / Off" (P.34).
Cause
Does the AC outlet supply power properly?
Action
Connect another appliance to the outlet to verify the power supply.
Cause
Is the <Power Saver> button on?
Yes
Action
The machine is in the Power Saver mode. Press the <Power
Saver> button on the control panel to exit the Power Saver mode.
Refer to "Power Saver Mode" (P.37).
Cause
Is the brightness dial set to a low level?
Action
Adjust the brightness dial.
Refer to "Control Panel" (P.40).
Cause
Has a paper or document jam occurred?
Yes
Action
For information on paper jams, refer to "Paper Jams" (P.501).
For information on document jams, refer to "Document Jams"
(P.523).
Cause
Is an error code displayed?
Action
Refer to "Error Code" (P.470).
Action
Refer to "Machine Trouble" (P.446).
Yes
Action
Refer to "Image Quality Trouble" (P.450).
Yes
Action
Refer to "Trouble during Copying" (P.455).
Yes
Action
Refer to "Trouble during Printing" (P.459).
Yes
No
No
No
No
No
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