4–4 T H E C O N T R O L P A N E LControl Panel Indicator LightsRefer to the following table for an explanation of the purpose of each light.Table 4–1: Control Panel Indicator LightsINDICATORLIGHTSPURPOSEOn Line Steady light indicates the printer is idle and on line.Flashing light indicates the printer is processing data. Nolight indicates the printer is off line.Form Feed Steady light indicates that a PCL 5C document is inmemory but that the printer has not yet received an end-of-paper character. See Table 4-2.TonerIndicatorsThe steady light indicates which color toner is currentlybeing applied during the printing process. The light willflash if the individual color toner is empty.