Using the Control Panel3-40 v User GuideThe Indicator Lights The Control Panel contains four indicator lights. Table 3.4describes the function of each light.Table 3.4 Indicator lights and their functionsLight DescriptionOnline (Green) Lights when the printer is online.Flashes when the printer is transitioning from online to offline or to indicate that aprint job is being processed.Form Feed (Green) Lights when the printer experiences a form feed timeout—that is, when a PCL jobhas formatted a partial page, the printer is waiting for more data in order tocontinue processing the job, and a timeout period (15 seconds by default andcustomizable) has expired with no new data arriving in the input buffer. Thistimeout applies to all ports.When lit, you can print a partial page by entering the Job menu, scrolling to theForm Feed item and pressing Enter. When not in the menu system, a partial pagecan be printed by pressing Enter. PostScript does not print partial pages andconsequently the Form Feed light is not turned on.Fault (Amber) Lights whenever operator intervention is required in order to allow printing tocontinue.Data (Green) Flashes to indicate that a print job is being processed by either PostScript, PCL orPJL, or is being spooled to the optional hard disk (e.g., a proof or secure job).
