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Oki Data CONFIDENTIAL
7. TROUBLESHOOTING
(5) Close the top cover.
Error code: 390
(1) Press the OPEN button and open the top cover.
(2) Take out the image drum unit, place it on a flat surface, and cover it with black
paper.
Black paper
Top cover
Image drum unit
OPEN button
(3) Open the inside transparent cover of the printer and remove jammed paper.