TTP-384M
Bar Code Printer Service Manual
4. TROUBLESHOOTING
4.1 Common Problems
The following guide lists the most common problems that might 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.
Power indicator does
not illuminate
* The power cord is not properly
connected.
* Plug the power cord in printer and outlet.
* Switch the printer on.
* The printer carriage is open.
* Please close the print carriage.
* 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 printer
mechanism.
* Calibrate the gap/black-mark sensor.
* Set label size correctly.
* Cutter jam.
* There is no cutter installed on the
printer.
* Cutter PCB is damaged.
* If the cutter module is installed, please press UP
or DOWN key to rotate the cutter up or down to
make the knife back to the right position.
* Remove the label.
* Make sure the thickness of label is less than
0.254 mm (10mil)
* Replace a cutter PCB.
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