XYAA6338 Service Manual 3-13. FUNCTIONAL CHECKS3.1 LEDSThere are five LEDs on the console indicating,respectively:LED 1 - ON When on, indicates that the printer is powered.LED 2 - error When on, indicates that the printer crashed.When flashing, indicates a mechanical error.(*)LED 3 When on, indicates that the printer is waiting for a form to be inserted from the top.LED 4 When on, indicates that the printer is waiting for a form to be inserted from the front.LED 5 When on, indicates that a form was expelled from the top or from the front and has notyet been removed.(*) Also see the section entitledConsole Indications, which explains the error conditions signaled by the LEDs(errors or malfunctions) and gives the appropriate corrective actions.LED 2LED 1LED 4CONSOLELED 5 (SLIP)Each LED on the console can indicate a condition in any one of the following ways:off on flashingThe way in which the five LEDs come on indicates the different failures (errors or malfunctions).LED 3Fig. 3-1KEY 1 KEY 2