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DT2 / DT4 series User Manual
6-4. Troubleshooting
Problem
Solution
The printer is switched on but the LEDs
do not light up.
Check the power supply.
The LED lights up red (ERROR) and
printing is interrupted.
Check whether is an error in the software settings or
the print commands.
Replace the print medium with a suitable medium.
Check whether there is a label jam.
Check whether the label stock is finished.
Check whether the print mechanism is closed (the
print head is not positioned correctly).
Check whether the print medium is covering the
sensor.
Check whether the cutter is functioning normally
and whether it is cutting at all. (Only if a cutter is
installed,)
The label stock passes through the
printer but no image is printed.
Please make sure that the label stock is loaded the
right way up and that it is suitable material.
Choose the correct printer driver.
Choose the correct label stock and a suitable
printing mode.
The label stock jams during printing.
Clear the paper jam. Remove any label material left
on the thermal print head and clean the print head
using a soft lint-free cloth dipped in alcohol.
The label stock does not move
correctly and there is no printed
image on some parts of the label.
Check whether any label material is stuck to the
thermal print head.
Check for errors in the application software.
Check whether the starting position has been set
incorrectly.
Check the power supply.
There is no printed image on part of
the label.
Check the thermal print head for dust or other dirt.
Use the internal “~T” command to check whether
the thermal print head will carry out a complete
print job.
Check the quality of the print medium.
The printed image is positioned
incorrectly.
Check whether there is paper or dust covering the
sensor.
Check whether the label liner is suitable. Please
contact your dealer.
Check the paper guide settings.
A label is missed out during printing.
Check the label height setting.
Check whether there is dust covering the sensor.
The printed image is blurred.
Check the darkness setting.
Check the thermal print head for glue residue or
other dirt.
The cutter does not cut off the labels in
a straight line.
Check whether the label stock is positioned straight.
The cutter does not cut off the labels
completely.
Check whether the label is more than 0.16 mm thick.
When using the cutter, the labels are
not fed through or cut off incorrectly.
Check whether the cutter has been correctly
installed.
Check whether the paper guides are functioning
correctly.
The stripper is not functioning correctly.
Check whether there is dust on the label dispenser.
Check whether the label stock is positioned
correctly.
【
Note
】
If any problems occur that are not described here, please contact your dealer.