Display The control panel should display READY , OFFLINE , or POWERSAVE ON . If the display is blank, see page 188. If an error message is displayed, refer to the printer messages table starting on page 194 and perform the necessary actions to correct the error condition. Event log Use the event log to diagnose and troubleshoot printer errors and intermittent failures. You can either display or print the event log. Access the event log from the control panel information menu. (Select PRINT EVENT LOG or SHOW EVENT LOG .) The event log retains the printer’s last 20 error messages. Figure 94. Sample event log EN Chapter 7 Troubleshooting 191