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83
11. Troubleshooting
11.1 Common Problems
This chapter explains how to resolve typical problems you may encounter when using the printer. If
you have any problems with the printer, first make sure you have performed the following tasks
correctly.
If you still have problems, contact the product manufacturer's customer service or your local dealer.
Problem Possible Cause Solution
The LED Indicator is not lit. The Power Cord is not
correctly connected.
Make sure the printer is correctly
connected to the power outlet (electrical
socket) using the Power Cord.
The Power Switch is off. Turn the printer on.
Memory full
(DRAM/Flash/Card).
The printer's DRAM/Flash/
Card memory is full.
Delete unused files from the DRAM/Flash/
Card memory.
Poor Print Quality.
The ribbon/media is loaded
incorrectly.
Reload the media/ribbon.
(Except TJ-4005DN)
Dust or adhesive has
accumulated on the Print
Head.
Clean the Print Head.
Clean the Platen Roller.
The print density is set
incorrectly.
Adjust the print density and print speed.
The Print Head is damaged.
Run the printer self-test and check the
Print Head test pattern for missing dots.
The ribbon/media is
incompatible.
Install the correct ribbon/media.
(Except TJ-4005DN)
The print head tension is not
set correctly.
Use the Print Head Tension Adjustment
Knob to adjust the print head tension.
(See section 4. Improve Print Quality)
The Release Lever does not lock the Print
Head in place.
Incomplete printing on the left
or right side of label.
The label size is not specified
correctly.
Check if the label size is set up correctly.
Blank labels with gray lines.
The Print Head is dirty. Clean the Print Head.
The Platen Roller is dirty. Clean the Platen Roller. (See section
12. Maintenance
.)
Irregular printing.
The printer is in Hex Dump
Mode.
Turn the printer on and off to skip the
Dump Mode. (See section
6.1.2
Gap/Black Mark Sensor Calibration,
Self-Test, and Entering Dump Mode.)
The printer’s RS-232
communication is not set
correctly.
Make sure the printer's RS-232 settings
are set up correctly. For more information,
see section 7.3.1
Serial Communication
Settings.
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