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Fault diagnosis
Fault phenomenon
Printer only feeds paper
during printing, and has no
printing data.
Printer prints blurrily
Printed receipt characters
become fuzzy within several
months or even several
weeks.
Maintenance
■ Printer daily maintenance
1. Clean printer exterior and paper tank: please scrub printer surface and paper tank interior
slightly with wringed wet doth. Pay attention to that wet doth 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 anhydrous alcohol until
scrubbed dearly.
3. If discover there is water in printer interior, please dose 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.
■ 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 thermo sensitive
printing papers.
Fault reason
Printing paper is installed
upside down.
Printer movement is
polluted due to long-term
not being cleaned.
Printing paper coloration is
not good.
Printing paper quality is not
good.
Preservation temperature
of receipt is too high.
Solution
Change printing paper installation
direction.
Movement needs to be cleaned.
Please set higher blackness or use
printing paper with better coloration.
Please use thermal printing paper
with long retention period.
Please preserve under normal
temperature (about 20 °C)
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