8. Troubleshooting
8.1 Common Problems
Power indicator does not
illuminate
* The power cord is not properly connected.
* Plug the power cord in print engine and outlet.
* Switch the power on.
* The printhead carriages are open.
* Please close the print carriages.
* Check if interface cable is well connected
to the interface connector.
* Check if wireless or Bluetooth device is
well connected between host and print
engine.
* The port specified in the Windows driver is
not correct.
* Re-connect cable to interface or change a new cable.
* Please reset the wireless device setting.
* Select the correct print port in the driver.
* Clean the printhead.
* Printhead’s harness connector is not well connected
with printhead. Turn off the power and plug the
connector again.
* Check your program if there is a command PRINT at
the end of the file and there must have CRLF at the end
of each command line.
* Label or ribbon is loaded not correctly.
* Use wrong type paper or ribbon
* Follow the instructions in loading the media and ribbon.
* Ribbon and media are not compatible.
* Verify the ribbon-inked side.
* The print density setting is incorrect.
* Running out of ribbon.
* The ribbon is installed incorrectly.
* Supply a new ribbon roll.
* Please refer to the steps in user’s manual to reinstall
the ribbon.
* Running out of label.
* The label is installed incorrectly.
* Gap/black mark sensor is not calibrated.
* Supply a new label roll.
* Please refer to the steps in user’s manual to reinstall
the label roll.
* Calibrate the gap/black mark sensor.
* Gap/black mark sensor is not set properly.
* Make sure label size is set properly.
* Labels may be stuck inside the print engine
mechanism.
* Calibrate the media sensor.
* Set media size correctly.
* Remove the stuck label inside the print engine
mechanism.
Can’t downloading the file to
memory (FLASH / CARD)
* The space of memory is full.
* Delete unused files in the memory.
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