When You Have Problems Operating the Printer

The lamp remains lit and the printer does not enter Sleep mode even though the [Energy Saver] key was pressed.

• The printer is communicating with external equipment.

• The hard disk is active.

• Check if the printer is communicating with external equipment.

• Wait a little longer.

The display is off.

The printer is in Low Power mode.

Touch the display panel or press one of the keys on the control panel to cancel Low Power mode.

The display is off.

The printer is in Sleep Mode.

Press the [Energy Saver] key or the [Check Status] key to cancel Sleep Mode.

Nothing happens when the [Check Status] key or the [Energy Saver] key is pressed.

The power switch is turned off.

Turn on the main power switch.

"Please wait." appears.

This message appears when you press the [Energy Saver] key.

Wait for a while. If the printer is not ready in five minutes, contact your service representative.

“Please wait.” appears.

This message appears when the printer is warming up.

• Wait until the message disappears. Do not turn off the power switch while the message is displayed.

• If the printer is not ready in five minutes, contact your service representative.

“Please wait.” appears.

This message appears when you change the toner cartridge.

• Wait until the message disappears. Do not turn off the power switch while the message is displayed.

• If the message does not disappear in five minutes, contact your service representative.

The machine unexpectedly enters standby mode.

ECO Night Sensor is enabled and the light sensor detected a low ambient light level.

Change the ECO Night Sensor settings. For details about ECO Night Sensor, see Administrator Tools.

“Self checking...” appears.

The printer is performing image adjustment operations.

The printer may perform periodic maintenance during operations. The frequency and duration of maintenance depends on the humidity, temperature, and printing factors such as number of prints, paper size, and paper type. Wait for the printer to be ready.

The user code entry screen is displayed.

Users are restricted by User Code Authentication.

For details about how to log in when User Code Authentication is enabled, see Logging in the Printer.

The Authentication screen appears.

Basic Authentication, Windows Authentication, LDAP Authentication or Integration Server Authentication is set.

Enter your Login User Name and Login Password. For details about the Authentication screen, see Logging in the Printer.

“Authentication has failed.” appears.

The entered Login User Name or Login Password is not correct.

For details about the correct Login User Name and Login Password, see Security Guide.

“Authentication has failed.” appears.

The printer cannot perform authentication.

For details about authentication, see Security Guide.

“You do not have the privileges to use this function.” continues to be displayed even though you have entered a valid user name.

The logged in user does not have permission for the selected function.

For details about how to set permissions, see Security Guide.

An error message remains, even if misfed paper is removed.

• When a misfeed message appears, it remains until you open and close the cover as required.

• Paper is still jammed in the tray.

Remove misfed paper, and then open and close the cover. For details about removing jammed paper, see Removing Jammed Paper.

Print images are printed on the reverse side of the paper.

You may have loaded the paper incorrectly.

• Load paper into the paper tray or tray 3 (LCT) with the print side up.

• Load paper into the Large capacity tray (LCT), or bypass tray with the print side down.

Misfeeds occur frequently.

The tray's side or end fences may not be set properly.

• Remove misfed paper. For details about removing jammed paper, see Removing Jammed Paper.

• Check that the side or end fences are set properly. Also, check that the side fences are locked. For details about setting the side and end fences, see Loading Paper.

Misfeeds occur frequently.

Paper size setting is not correct.

• Remove misfed paper. For details about removing jammed paper, see Removing Jammed Paper.

• If you load a paper size that is not selected automatically, you must specify the paper size with the control panel. For details about specifying paper size with the control panel, see Changing to a Size That Is Not Automatically Detected.

Misfeeds occur frequently.

There is a foreign object on the finisher tray.

• Remove misfed paper. For details about removing jammed paper, see Removing Jammed Paper.

• Do not place anything on the finisher tray.

Cannot print in duplex mode.

You have selected a paper tray that does not support duplex printing.

Change the setting for "Apply 2 sided" in [System Settings] to enable duplex printing for the paper tray. For details about setting "Apply 2 sided", see Tray Paper Settings.

Cannot print in duplex mode.

You have selected a paper type that cannot be used for duplex printing.

In [Tray Paper Settings], select a paper type that can be used for duplex printing. For details about the paper types that can be used, see Tray Paper Settings.

“Output tray is full. Remove paper.” appears.

The output tray is full.

Remove paper from the output tray to resume printing. If paper is to be output to the finisher shift tray, press the [Suspend] key to suspend printing and prevent paper from falling off the tray, and then remove the paper. Press [Continue] on the display panel to resume printing.

"Turn main Power Switch off" appears.

The printer does not shut down normally when the main power switch is turned off and then immediately turned on.

Turn off the main power switch. Wait for ten seconds or more after the printer shuts down, and then turn it on again.

“Shutting down... Please wait. Main power will be turned off automatically.” appears.

The shutdown procedure has begun because the main power switch was turned off while the printer was in standby mode or performing an operation.

Follow the message that appears and wait until the printer has shut down. Do not turn on the main power switch while this message is displayed. If the main power switch has been turned on, follow the message that appears. For details about turning the main power switch on and off, see Turning On/Off the Power.

An error has occurred when the Address Book is changed from the display panel or Web Image Monitor.

The Address Book cannot be changed while deleting the multiple stored documents.

Wait a while, and then retry the operation.

“Internal cooling fan is active.” appears, and the fan is running.

Large print runs will cause the printer's interior to heat up, triggering the cooling fan. The fan will automatically begin running when the print run reaches approximately 3,000 sheets of A4, or 1,500 sheets of A3.(Installation environment : 10 °C32 °C)

The fan will run for about 30 minutes. The fan will emit noise, but this is normal and the printer will be operable while the fan is running.

“Home is in use by another function.” appears.

The [Home] screen is being edited by another function.

Wait for a while, and then try to create the shortcut on the [Home] screen again.

“The image data size is not valid. See the manual for required data.” appears.

The image data size is not valid.

For details about the file size for the shortcut image, see Customizing the [Home] Screen.

“The format of the image data is not valid.” appears.

The file format of the shortcut image to be added is not supported.

The file format of the shortcut image to be added must be JPEG. Specify the image again.