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7. TROUBLESHOOTING
This section lists the common problems that you may encounter when operating the
printer.
1.
LED does not light on.
Turn the power switch on.
Measure if there is 24V DC from the power supply output plug. Change the
power adaptor if 24V DC is not been measured.
Check if U32 (5VDC) and U22 (3.3VDC) of the main board are broken.
Change main board if one of them is broken; Or measure if JP 22 (5VDC) and
the terminal of R316 close to C139 side (3.3VDC) are correct voltage. Change
main board if their voltages are been measured incorrectly.
2.
The printer is paused.
Press the FEED button to resume printing.
3.
The LED is on red and blinking.
If the LED is red and blinking, which means that the label runs out or paper sensor
error. We also can use diagnostic tool to get the printer status through COM port or
USB port.
Label runs out (Out of paper):
Load a roll of label and follow the instructions as following and then press the
FEED button to resume printing.
1.
Insert a paper spindle into a paper roll
2. Open the printer
’s top cover by releasing the top cover open lever located
on both sides of printer and lifting the top cover..
3. Place a new paper roll into paper roll mount.
4. Feed the paper, printing side face up, through the label guide and pass
over the platen.
5. Adjust the label guide to fit the paper width
6.
Close the printer top cover slowly and make sure the cover locks latch
securely.
Paper sensor error
Please check the following items:
A. Is label installed correctly? Please refer to previous
4.
The LED is on red
blinking
– Label runs out to
load a roll of label and then press the FEED
