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STATUS LED/buzzer Mode Content -->
LED: ON (red) All modes Low battery A
LED: Blinking (red) every 2
seconds
Buzzer: One long beep
Online Module error (Blue-
tooth or wireless LAN)
B
LED: ON (red) After turning
power on
1 Program abnormal-
ity error
2 FLASH ROM error
C
LED: Two colors blinking alter-
nately (green --> red) every 2
seconds.
Buzzer: One long beep
Online Head error D
LED: Blinking (red) every 0.5
seconds. Buzzer: Three short
beeps.
Online Cover open E
Out of paper F
Sensor error G
LED: Blinking (green) every 1
second.
Buzzer: One long beep.
Online Communication error H
LED: Blinking (green) every 0.5
seconds.
Buzzer: One long beep.
Online (print-
ing or receiv-
ing data)
Buffer almost full I
LED: Blinking (red) every 4
seconds
Buzzer: One long beep
Online (prinit-
ing or receiv-
ing data)
Buffer overvlow J
LED: Blinking (green) every 2
seconds
All modes Sleep mode K
LED: Patterned lighting (red +
OFF + green --> OFF) every 1
second
All modes Head overheating
protection function
L
LED: Two colors blinking alter-
nately (green-->orange) every
0.5 seconds
Online (auto-
matic dis-
penser printing
or dispenser
operation 2)
Manual dispensing
mode
M