Using The Printer Test And Display Panel; Display Led Indicators - NCR EasyPoint 7401 Hardware User's Manual

Using the Printer Test and Display Panel

READY
POWER
PAPER
FORM LINE
FEED FEED TEST SELECT
F3 F2 F1

Display LED Indicators

The LEDs provide the following status information:
PAPER/POWER (green)
Status
Printer OK
DC power
Paper supply
Paper low
Diagnostic mode
READY (green)
Status
System ready
Data flow
Reverse channel
Chapter 4: 7401-4xxx Hardware Installation 4-15
ATTN
ERR
F0
Indication
Very short Off blink every 14 seconds
On or Flashing when power is on
Rapid On-Off 50% cycle flashing when out of
paper
Rapid On-Off 50% cycle flashing when paper low
10 % On and 90% Off when in diagnostic mode
Indication
On = System ready to accept data Off = Not ready
During receipt of data, LED blinks following state
of the Busy signal
When not printing during IEEE-1284 reverse
channel status, LED blinks after PtrBus signal flow
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