Intermec EasyCoder F4 – Installation & Operation  IPL Version, Ed. 116
 Chapter 2   Installation
Controls and 
Indicators
Control Lamps
The EasyCoder F4 has several ways of communicating directly with 
its operator: three control lamps, a display window, a membrane-
switch keyboard with 22  keys, a big  “Print” button on the printer’s 
front, and a beeper. Only some of the keys are used with IPL.
The control lamps are colored LEDs (Light Emitting Diodes) and 
indicate the following conditions:
• Power (green):
     On    Power on
     Off    Power off
• Ready (green):
     On    Media fault detected
     Flashing  Printer offl ine
     Off    Printer online
• Error (red):
     On    System fault detected
     Flashing  Printer overtemperature
     Off    OK
The display window contains an LCD (Liquid Crystal Display) 
with background illumination and two lines of text, each with 
16 characters. It guides the operator through upgrading, startup, 
and setup. 
Display