18
7. Maintenance
7.1 Printer daily maintenance
1. Clean printer exterior and paper tank: please scrub printer surface and
paper tank interior slightly with wringed wet cloth. Pay attention to that
wet cloth must be wringed out completely.
2. Clean printer mechanism: printer mechanism must be cleaned regularly,
especially when printing quality decrease. Cleaning method is as follows:
scrub printer mechanism surface spots and residual gum on label paper
with degreasing cotton dipping with anhyrous alcohol until scrubbed
clearly.
3. If discover there is water in printer interior, please close printer and fetch
out battery immediately and let printer dry naturally.
4. If printer won't use for long-time, please fetch out battery and preserve it
separately.
7.2 Printing paper usage and preservation
1. New purchased printing paper shall avoid direct sunlight or preservation
in high-temperature locations. Please don't tear packaging paper during
preservation.
2. The receipt after printing shall be preserved under condition of normal
temperature (about 20°C) and lucifuge. This can prolong receipt
preservation period effectively.
3. If users need to preserve receipt for a long period, please select
long-acting thermosensitive printing papers.