Fault diagnosis
Fault phenomenon
Fault reason
Solution
Printer only feeds paper
during printing, and has no
printing data.
Printing paper is installed
upside down.
Change printing paper installation
direction.
Printer movement is
polluted due to long-term
not being cleaned.
Movement needs to be cleaned.
Printer prints blurrily
Printing paper coloration is
not good.
Please set higher blackness or use
printing paper with better coloration.
Printing paper quality is not
good.
Please use thermal printing paper
with long retention period.
Printed receipt characters
become fuzzy within several
months or even several
weeks.
Preservation temperature
of receipt is too high.
Please preserve under normal
temperature (about 20 °C)
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.
