BTP-R990 User’s Manual
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Press down FEED button while turn on the power, the printer will print out the self-test page,
including print width, print speed and so on.
Enter button configuration mode:
Pressing down FEED button while turning on the printer, the printer will print out configuration
sample, then cut paper and enter waiting status (ERROR LED flashes). The printer will enter button
configuration mode (Parameter setting (configuring) by Feedbutton) if pressing down the FEED
button for a long time at this time. Refer to Appendix Button Configuration Menu for detailed function
and operation methods of button configuration mode.
d. Power
switch
Press down “O” to turn off power, and press down “—”to turn on power.
e. Top cover uplifting alarm sensor
Monitor top cover status(open/close).
f. Paper end sensor
To detect if paper is existing or not.
g. Paper
guide
Rotate the thumb wheel for adjusting the paper guide in paper cabinet, in order to meet paper for
different print width 54.5±0.5 mm~82.5±0.5 mm.
h. Paper near end sensor
To detect the paper roll status. Flashing of error LED indicates that the paper will be used out soon
and user should replace the paper roll in time.Printer will work normally until paper ends.
3.2 LED and Buzzers
1) Functions of LED & Buzzer
LED name
Status
Description
Always on
Printer power is on.
POWER LED
(green)
Off
Printer power is off.
Off
Printer is in normal status
ERROR LED
(red)
Flash
Printer is in error status, or paper is near
end.
Buzzer
Beep
Printer is in error status.
2) Error type indicated by LED & buzzer
Error Type
ERROR LED
Buzzer
Print head is overheating
Cycle flash 6 times
Cycle beep 6 times
Input voltage is abnormal
Cycle flash 5 times
Cycle beep 5 times
Cutter error
Cycle flash 4 times
Cycle beep 4 times
Print head lifts up
Cycle flash 3 times
Cycle beep 3 times
Paper end
Cycle flash 2 times
Cycle beep 2 times
Paper near end
Flash slowly
Not beep
Mark can not be found or
verify failed
Flash slowly
Not beep
Caution:
The temperature of the print head is detected by a thermal resistor. If the print head is overheating,
the protective circuit will shut off the power and force the printer to stop printing; the temperature of
print head when printing is stopped is 65
℃
.
