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Print dropout might be caused by the presence of paper powder
or dust. To avoid this problem, remove any black deposits of
paper powder and dust from the paper holder, paper feed section,
platen roller, and thermal head surfaces. This cleaning should be
performed once a month, or as needed.
7-1. Cleaning the Thermal Head
Use ethyl alcohol to remove any black deposits of paper powder
and dust from the thermal head surfaces.
Notes:
1. The thermal head is delicate and easily damaged. Carefully
clean it with a soft cloth so that the head surfaces are not
damaged.
2. Do not clean the thermal head immediately after printing
because it will be very hot.
3. The discharge of static electricity during thermal head
cleaning might destroy the thermal head. Carefully clean the
thermal head so that it is not damaged by the discharge of
static electricity.
4. Wait until the alcohol has completely evaporated before
turning on the printer power.
7-2. Cleaning the Paper Holder and Paper Feed Section
Remove any paper powder and dust from the paper holder and
paper feed section with a dry or slightly damp cloth.
7-3. Cleaning the Platen Roller
Use ethyl alcohol to remove the paper powder that has accumulated
on the surface of the platen roller.
7. Periodic Cleaning