54 – C910 TroubleshootingTroubleshootingGeneralIf the printer display panel does not display anything or is still instand-by mode 10 minutes after switching the printer on, followthe printer shutdown sequence to switch it off (see page 32).Check all cable connections before restarting the printer. If theproblem persists, contact your dealer.The following paragraphs describe actions to take in the event ofa paper jam and how to deal with unsatisfactory print results.Display panel messages about paper jams and relevant actions aregiven in this section while a list of other typical messages andsuggested responses is given in “Appendix A – Display PanelMessages” on page 92.Paper Jams – PrinterIf a paper jam occurs, a message appears on the display panel inthe printer Control Panel. You can press the Help button to displayguidance on how to clear the jam.For full details of clearing jams, refer to the following paragraphs,which correspond to the paper jam messages.Open cover, paper jam, tttttt side coverTray 1, or any one of Tray 2 to Tray 5 (if installed), can appear inplace of the tttttt characters in the display panel message. In thisexample Tray 1 is used, the procedure being similar for all othertrays.