Oki C542 User Manual page 138

Job Log Buffer Full(Delete old logs)
Old job logs were deleted, because job log buffer was full.
A decoding error occurred. Check the image data.
An error has occurred in the image data sent to this machine. Check the image data.
Process has been canceled as there is no space on the device. Please free up enough
memory space by reducing usage and try again.
Processing data was cancelled due to memory full.
Reduce the usage on the device to ensure available memory, and then retry.
Process has been canceled by a device error. After maintenance or change of the
device, please try again.
Processing data was cancelled because an error occurred on the device.
Repair or replace the device, and then retry.
Deleting data.
This machine ran out of color toner. Color print data is being deleted.
Wait for a while.
Error PDF
The PDF file is damaged.
Check the file.
This PDF file is password protected.
This PDF file is password protected. Enter a password to print.
Valid password required to print document.
This PDF needs authentication. Enter a password to print.
No communication with the SNTP server.
Obtaining current time from the SNTP server failed. Check the server.
USB Memory disconnected.
The USB Memory was removed while printing from USB Memory. Do not remove USB Memory while printing is in
progress.
Cannot open the file.
The specified file could not be Opened. Check the file.
Cannot read the file.
Files could not be read. Check the device where the files are stored.
Image Drum Sensor Error.
The toner sensor error has occurred in the image drum indicated on the screen.
Uninstall the image drum, and then install it again.
If the message persists, uninstall the toner cartridge and install it again.
Rear Output Tray is open, so 2-sided printing is disabled. Error code: 581
2-sided printing failed because the rear output tray is open.
Close the rear output tray and tray again.
Printing was stopped. Rear Output Tray was opened during printing. Open the Output
Tray. Error code: 409
The rear output tray was moved while duplex printing.
Close the rear output tray and remove the jammed paper remaining inside of the unit.
Toner empty. Replace with new Toner Cartridge.
The indicated cartridge ran out of toner.
Replace the empty toner cartridge with a new one.
Wait Timeout in menu is disabled. Printing is disabled except by USB. Clear page
buffer and enable time out in menu.
Wait Timeout is disabled.
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6. Troubleshooting