Print Quality Problems - TVS LP 46 NEO User Manual

Mark location
failure or mark
calibration
failure

5.2 Print quality problems

Malfunction
Printout is
unclear or has
stains.
Print darkness is too
high.
Paper is jammed in the
path, causing heat
accumulation and
overheating print head.
Paper type does not
match with sensor type.
Something wrong with
marked paper (for
example: no mark or
unclear mark)
Mark height is less than
the required height.
Table 5.1.1
Reason
Print head or platen roller is
dirty.
Paper does not meet the
requirement.
Print darkness is too low.
Paper is not installed
correctly.
Table 5.2.1
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LP 46 Neo User's Manual
Lower the print darkness
properly.
Clear paper jam. Check if the
print head test pattern is
normal or not after the
temperature of print head
drops. If normal, the printer
can continue to work;
otherwise please replace the
print head.
Set the paper type in printer
driver to make it consistent
with actual paper type.
Use the required media.
Solution
Clean the print head or
platen roller.
Use recommended
paper.
Increase print darkness.
Install paper roll correctly.