EBS-6100 Printer User's Manual Paragraph 4 - Operating the Printer EBSInk-Jet Systems® 22 20070529#20.5Group of alphabetical keys the letter keys A, B, C, ... , Z, the keys - = [ ] ;' , . / \ and the ª key.All the above specified characters are available immediately after the correspondingkey has been pressed.Each time you want to type in a character marked in the top left corner of somekeys, press the Y key before the character is selected. This does apply to thefollowing characters: _ + { } : " < > ? | ! @ # $ % ^ & * ( ).4 Special function keys comprising:• contrast control keys,+ - to increase the contrast, – - to reduce the contrast• F1 F2 F3 F4 F5 function keys to define various additional functions.4.1.2. Internal PanelThe internal panel is used to indicate the condition of inner assemblies of the printer,errors, alarms and failures. The condition, errors, alarms and failures are indicated with anumber of lamps (two rows of light-emitting diodes, L1 - L20, L21 - L39) located on theprinter's main electronics card, that is available after the upper door has been opened (seeFig. 4.1.2.1).Sb3St3-OVERSb1St1-VIS (INK)+VIS (SOLV)READY 1HV1 ONREADY 2HV2 ONPH. ERR.1PH. ERR.2PRESS.LACKSOLV. LACKINK LACKSOLV. BADFILL. ERR./PRESS.DROPV1/V7 ERR.CHK V. ER.300V ERR.L20L1 L1 - L20L21L21 - L39V01POWERV92V82V12V91VAC./V81V11PREAS-SUREV2 A( )ALARMV2VV3V4V5V6V7V02VXL39Internal panelLEDsFig. 4.1.2.1. Location of internal panel indication LEDs