Using The Front Panel Leds For Troubleshooting - Intermec EasyCoder 4420 User Manual

Chapter 1 — Getting Started

Using the Front Panel LEDs for Troubleshooting

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Feed/Pause
1
Power/Data
2
Alert
3
Empty/Pause
Front panel LEDs: This illustration shows the LEDs that are on the front panel of the
printers. For help understanding these LEDs, see the next LED Descriptions table.
LED Descriptions
Number LED
1 Power/Data
2 Alert
3 Empty/Pause
You can use the front panel LEDs to troubleshoot the printer.
LED States for Problems
Problem LED State
Over-Temperature If the printer overheats, the Alert LED flashes and the printer
stops. Do not try to troubleshoot or adjust the printer—just allow
it enough time to cool down and it will resume operation on its
own. You should only encounter this problem after extended print
jobs.
Media or System If the Empty/Pause or the Alert LED remains on, the printer is
Faults
experiencing a media or system fault. See Chapter 4,
"Troubleshooting the Printer," for help in correcting the problem.
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State Indication
Off Power off
On Power on
Flashing Receiving data
Off Printing or idle
Flashing Over-temperature
On System fault
Off Printing or idle
Flashing Paused
On Media fault