Oki ES8453 MFP User Manual - page 720
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If the Error Code is "391", "392", "393" or "394"
A paper jam has occurred while feeding paper from a paper tray.
Note
If paper jams occur frequently, clean the paper feed rollers. For details, refer to "
Paper Feed Rollers (Tray 1/Tray 2/Tray 3/Tray 4)
".
This procedure uses Tray 1 as an example.
1.
Gently pull out from the machine the tray for which an error is
indicated.
2.
Remove the jammed paper.
Note
If jammed paper cannot be found, check the positions of paper guides and paper stopper
in the tray and ensure that paper is correctly loaded.
3.
Push the tray back into the machine.
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