Troubleshooting - TSC TDP-643R Plus User Manual

4.4 Troubleshooting

The following is a list of symptoms and solutions for the most commonly encountered
problems:
Problem Symptom
1. Both indicators are off if the
printer is turned on.
2. The READY indicator is on, but
the printer doesn't work.
3. The printer appears to be
working but does not print.
4. The printing quality is poor.
5. The labels are not completely
printed.
6. Problems on loading labels roll. Check for and remove any label sticks on
7. Labels are stuck on the print
head.
8. The printer continues to print
even though it has run out of
labels.
9. Printing stops and the
Solution
Check all the power connections of the
printer. Be sure that the AC adapter is
connected to the printer and the power is
plugged into an active outlet.
Check the interface cables between the
printer and the computer are correct and
securely attached.
Check that the label roll is properly
loaded with the labels facing up. Make
sure you are using thermal direct labels.
Clean the print head carefully (Refer to
section 4.2). Adjust the darkness setting,
or run the printer in a slower printing
speed.
Check for and remove any label stuck on
the print head.
the print head or inside the feeder guide
assembly.
Remove stuck labels and make sure any
curled or damaged label is removed from
the label roll prior to loading.
Check for and remove any label sticks on
the gap sensor or paper guide.
Program error happens, use the
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