Oki C542dn - If the Error Code Is 390

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6. Troubleshooting
1
If paper is loaded on the MP tray, remove the paper.
2
Press the button (A) and open the output tray (a) completely.
3
Remove the four image drums from the machine and place the image drums
on a flat surface.
While removing consumables, be careful not to hit them to the LED head.
4
Cover the removed image drums with paper so that the image drums are not
exposed to light.
5
Open the transparent cover inside the machine, remove the jammed paper
slowly by pulling the edge of paper.
If the Error Code is "390"
Burns may result.
The fuser unit is extremely hot. Do not touch it.