TSC PEX-1120 Series, User Manual

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7. TroubleShooting
Problem Possible Cause Recovery Procedure
Power indicator does not illuminate

The power cord is not properly connected.

The power switch is closed.

Plug the power cord in printer and outlet.

Switch the printer on.
Carriage Open

The printer carriage is open.

Close the print carriage.
Not Printing

Check if interface cable is well connected.

Check if wireless or Bluetooth device is well
connected.

The port in the Windows driver is not
correct.

Re-connect cable to interface or change a new cable.

Reset the wireless device setting.

Select the correct printer port in the driver.

Clean the printhead.
 Printhead’s harness connector is not well connected with
printhead. Turn off the printer 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.
No print on the label

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.
No Ribbon

Running out of ribbon.

The ribbon is installed incorrectly.

Supply a new ribbon roll.
 Refer to user’s manual to reinstall the ribbon.
No Paper

Running out of label.

The label is installed incorrectly.

Gap/black mark sensor is not calibrated.

Supply a new label roll.
 Refer to user’s manual to reinstall the label roll.

Calibrate the gap/black mark sensor.
Paper Jam

Gap/black mark sensor is not set properly.

Make sure label size is set properly.

Labels may be stuck inside the printer

Calibrate the media sensor.

Set media size correctly.

Remove the stuck label inside the printer mechanism.