Oki C542 User Manual page 137

Power OFF/ON
Turn the machine off, and then back on.
If the same error occurs, contact your dealer.
Inspection is required.
Turn the machine off, and then back on.
If the same error occurs, contact your dealer.
Please check SMTP settings.
Cannot connect to the SMTP server. Check the network settings.
Please check POP3 settings.
Cannot connect to the POP3 server. Check the network settings.
SMTP Login failed.
An attempt to log into the SMTP server ended up an authentication error.
Check the network settings.
SMTP Auth. Unsupported
The SMTP server does not support the authentication system.
Check the network settings.
POP3 Login failed.
An attempt to log into the POP3 server ended up an authentication error.
Check the network settings.
Getting target IP failed. Please Check DHCP settings.
The DHCP server cannot be detected. Check the network connection.
Please check DNS settings.
Cannot connect to the DNS server. Check the network connection.
Please insert USB Memory.
Print from USB Memory was attempted with USB Memory not inserted.
Insert USB Memory.
[TRAY] cassette missing.
The cassette in the indicated tray is pulled out.
Install the cassette.
Access Limitation Error Monochrome printing was performed due to the color printing
limitation.
A color print job was converted to a mono print job due to an unauthorized user. Contact your administrator for color
printing.
Access Limitation Error Data was deleted due to the color printing limitation.
A color print job was deleted due to an unauthorized user. Contact your administrator for color printing.
Restricted access error Data deleted due to printing restrictions.
A print job was deleted due to an unauthorized user. Contact your administrator for printing.
Incompatible USB device connected. Remove the connected USB device.
An unsupported USB device is connected. Remove the USB device.
Please remove the connected USB device. USB device has not been recognized.
The connected USB device was not recognized. Remove the USB device.
Please remove the USB Hub. USB Hub is connected.
A USB hub is connected. Remove the USB hub. This machine does not support USB hub.
Job Log Database Error
A data base access error has occurred while writing or reading the job log. Turning the machine off and on may
resolve the problem.
To erase the message, press [Close].
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6. Troubleshooting