U80II User’s Manual
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“O” power is to turn off printer. “—” power is to turn on printer.
e- Top cover uplifting alarm sensor (11)
Monitor top cover status: open/close.
f- Paper end sensor (12)
To detect if paper is existing or not when using continuous paper; To detect the paper mark when using
black mark paper.
g- Paper guide (13)
There are 4 long slots in paper house bottom. Paper house width can be adjusted to below different
value by inserting paper guide into different slots:82.5 ±0.5mm ,, 80±0.5 mm,76±0.5 mm,69.5±0.5 mm,
57±0.5 mm. the paper house width is 82.5 ±0.5mm if take out the paper guide
Caution:
The paper guide is an indispensable part of the printer and should be kept with the printer.
3.2 Error LED and Buzzers
3.2.1 Error LED
LED
Status
Description
Power Indicator (Green) (POWER)
On
Printer is powered on
Off
Printer is powered off
Error Indicator (Red) (ERROR)
Off
Printer is in normal status
Flash
Printer is in error status or Paper near end
3.2.2 Description of LED and Error Status
Error information
ERROR LED
Buzzer
Print head is overheating
Four times
Five times
Input voltage is abnormal
Always on
Five times
Cutter Error
Four times
Four times
Cover Is Open
Three times
Three times
Paper End
Twice
Twice
Paper near end
One times
One times
Caution:
The temperature of the print-head is detected by means of a thermistor sensor. If the temperature of
the print head becomes higher than 65 , the protection circuit of the printer will force the printer to
℃
stop printing.
