User Guide

15 > B411/B431 Operator Panels
LED indicators
The LED indicators show the status of the printer and have three
operating conditions as follows:
•Indicator off
•Indicator on
•Flash
Both LED indicators come on momentarily when power is
switched on using the main power switch.
Ready LED (green)
• Indicator on - the printer is on-line and ready to receive data.
• Indicator off - the printer is off-line and cannot receive data.
Attention LED (red)
• Indicator on - this indicates a warning, (e.g. low toner).
• Indicator off - this indicates normal condition.
The meaning of the indicator LEDs when they flash (x) is
summarized as follows:
STATUS
READY
LED
ATTENTION
LED
MEANING
Flash x The printer is receiving
and processing data
during printing or the
printer is resetting.
x There is a printing error,
for example, a problem
with paper, the cover is
open or the paper tray is
empty while a job is
processing.
x x There is a minor error with
the printer, for example,
toner is low and the image
drum needs to be
changed.