ITX 3000/2000 Printer User Manual
(UMITX315.PDF
)
Page 18 of 82 Date: 4/27/05
4.2
Switch and Display Panel
The switch and display panel provides the operator with an interface to the printer. The display LEDs and beeper are used to
output relevant printer operational status and warnings. The switches provide a means to control the various printed output
menus and test functions.
4.3
Panel LED Indicators
4.3.1
Power/Paper
This green LED indicator provides the following printer status information:
-1- Sanity indication/Normal display
=
very short OFF blink approx. every 14 sec.
-2- Presence of DC power
=
ON or Flashing when power is on.
-3- Out of Paper
=
rapid ON/OFF 50% duty cycle flashing when out of paper.
-4- Low Paper
=
slow ON/OFF 50% duty cycle flashing when paper is low.
-5- Diagnostic testing modes
=
10% ON and 90% OFF when in diagnostic mode.
4.3.2
Ready
This green LED indicator provides the following printer status information:
-1- System readiness for operation
=
ON system is ready to accept data; OFF not ready.
-2- Data flow
=
During the receipt of data, the LED will blink,
following
the
state
of
the
Busy
signal.
-3- Reverse channel status
=
While not printing, during an IEEE-1284, or USB, reverse channel
status acquisition event, this LED will blink, following the state of the
Busy signal.
4.3.3
Attn/Err
This amber LED indicator, in combination with the beeper, is a general-purpose enunciator for the operator. It provides the
following printer status information:
-1- Switch press annunciation
=
short flash/beep for each switch pressed
-2- System warnings
=
an attention flash/beep to alert the operator to load paper, etc.
-3- System error codes
=
a repeating sequential series of coded flash/beep signals.
-4- Normal display
=
OFF
