- 144 -9. TroubleshootingDo not close the scanner unit vigorously. It may cause the document feed roller of ADF to fall and get in the wayof loading documents.If the document feed roller of ADF has fallen, open and close the ADF cover.A paper jam has occurred while feeding paper from a paper tray.If paper jams occur frequently, clean the paper feed rollers. For details, refer to "Cleaning the Paper Feed Rollers (Tray1/Tray 2/Tray 3) (Advanced Manual)".This procedure uses Tray 1 as an example.1 Pull out the cassette of the indicated tray.2 Remove the jammed paper.If the Error Code is "391", "392", "393"
