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Handling thermal paper
(1) Notes on using thermal paper
Chemicals and oil that come into contact with the thermal paper may
cause paper discoloration, and can also cause the ‘printing to fade.
Therefore, pay attention to the following:
a) Use water-based paste, starch paste, polyvinyl paste, or MC
paste when gluing thermal paper.
b) Volatile organic solvents such as alcohol, ester, and ketone can
cause discoloration.
c) Some adhesive tapes may cause discoloration, and may also
cause the printed image to fade.
d) If thermal paper touches anything that contains phthalic acid ester
plasticizer for a long period, it can reduce the image formation
ability of the paper and can cause the printed image to fade.
When storing thermal paper in a card case or sample notebook,
be sure to use only products made from polyethylene, polypropylene,
or polyester.
e) If thermal paper touches copy paper immediately after copying,
the printed surface may discolor.
f) Thermal paper must not be stored with the printed surfaces
touching each other because the printing may be transferred
between the surfaces.
g) If the surface of thermal paper is scratched with a nail or other
hard metal object, it may discolor.
(2) Notes on thermal paper storage
Color development begins at 70°c , so the following precautions should
be taken.
a) Store paper away from high temperature and humidity. Don’t store
thermal paper near a heater or in direct sunlight.
b) Avoid direct light.
If exposed to direct light for a prolonged period, paper color may
change or printed images may fade.
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