Oki C301 Maintenance Manual page 159

Oki Data CONFIDENTIAL
(4) Install the image drum unit in the printer so as to situate the K toner cartridge
toward the front of the printer.
Handle (blue)
(5) Close the top cover.
44951501TH Rev.2
Error code: 391
(1) Pull the tray 1 out of the printer.
Handle (blue)
(2) Remove paper.
(3) Insert the tray 1 back into the printer.
7. TROUBLESHOOTING
7-34