BTP-L42II User’s Manual
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3 Printer operations
3.1 LED, button and buzzer explanation
3.1.1 LED functions
LED name
Status
Explanation
Work LED (green)
Always on
Printer is idle or working.
Flash
Printer is busy.
Pause LED
(green+red)
Always on
Printer is in pause status.
Flash
Printer is in updating status.
Error LED (red)
Flash
An error occurs. See 5.1 Troubleshooting
for details.
3.1.2 Button functions
Button
Function
Explanation
Short
press
Feed paper
In standby status, press the button for a
short time to feed paper.
Pause
During the printing, press the button for a
short time to enter pause status.
Continue
After the printer enters pause status, press
the button for a short time to resume the
printing.
Long
press
Self-test
page
Keep pressing the button for a long time and
release it after the green LED has flashed
one time.
Calibration
Keep pressing the button for a long time and
release it after the green LED has flashed