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7. Troubleshooting
7.1 Common Problems
The following guide lists the most common problems that may be encountered when
operating this bar code printer. If the printer still does not function after all suggested
solutions have been invoked, please contact the Customer Service Department of your
purchased reseller or distributor for assistance.
Problem
Possible Cause
Recovery Procedure
Power indicator
does not
illuminate.
The power cord is not properly
connected.
Plug the power cord in printer and
outlet.
Switch the printer on.
Out of paper
Out of paper.
The paper installation path is
incorrect.
Gap / black mark sensor detection
is incorrect.
Install new paper.
Follow the steps for installing the
paper to reinstall.
Recalibrate the label sensor.
Paper jam
Gap / black mark sensor detection
is incorrect.
The label size is set incorrectly.
Label may be blocked inside the
printer.
Recalibrate the label sensor.
Set the correct label size.
Cleaning the inside of the printer.
Unable to print
Cable is not well connected to
serial or USB interface or parallel
port.
Re-connect cable to interface.
Change a new cable.
Media are not compatible.
Clean the print head.
The print density setting is incorrect.
Print head’s harness connector is not
well connected with print head. Turn
off the printer and plug the
connector again.
Poor print quality
Media is loaded incorrectly.
Dust or adhesive accumulation on
the print head.
Print density is not set properly.
Printhead element is damaged.
Media are incompatible.
Reload the supply.
Clean the print head.
Clean the platen roller.
Adjust the print density and print
speed.
Run printer self-test and check the
