Using the Control PanelChapter 1: Configuring the Printer v 1-5The Indicator Lights The Control Panel contains four indicator lights. Table 1.1describes the function of each light.Table 1.1 Indicator lights and their functionsLight DescriptionOnline (Green) Lights when the printer is online.Flashes when the printer is transitioning from online to offline orto indicate that a print job is being processed.Form Feed (Green) Lights when the printer experiences a form feed timeout—that is,when a PCL job has formatted a partial page, the printer iswaiting for more data in order to continue processing the job,and a 15 second timeout period has expired with no new dataarriving in the input buffer. This timeout applies to all ports.When lit, you can print a partial page by entering the Job menu,scrolling to the Form Feed item and pressing Enter. When not inthe menu system, a partial page can be printed by pressing Enter.PostScript does not print partial pages and consequently theForm Feed light is not turned on.Error (Amber) Lights whenever operator intervention is required in order toallow printing to continue.Data (Green) Flashes to indicate that a print job is being received and/orprocessed by either PostScript, PCL or PJL. In the case of proof orsecure jobs, the print job is received but is not processed until therequired password is entered at the Control Panel, at which timethe indicator flashes to indicate processing.