4
•
To ensure the printing effect and avoid damage of print head, please do not use the printer at the environment with a temper-
ature below
０℃
and a relative humidity over 80%. Meanwhile, when the temperature difference between indoor area and
outdoor area is large, do not use the printer immediately after taking it into indoor area. Please use it after the printer has no
frosting;
•
The print head is a precise part. To better protect the print head and extend the service life, the suggested workload is as fol-
lows:
*
The single printing length shall not exceed two meters
*
The printing length per day shall not exceed twenty meters
•
Temperature of the print head may be high after continuous printing. Please be careful during operation so as to avoid burn;
•
Do not scrape the print head with hard object. Damage of print head due to improper maintenance and use are not included
in the warranty range;
•
The print head is a quick-wear part. To avoid corrosion, please pay attention to the following items:
*
Do not touch the print head with hands;
*
Do not use ribbon with Na, K and CI ions;
*
The print head cannot contact any liquid or moist object;
*
Only anhydrous alcohol is applicable for print head cleaning.
Cautions for power adapter
Please read this manual and mark on the power adapter carefully before operation.
•
Do not use damaged or worn USB cable, otherwise electric shock or fire may occur;
•
Do not contact the power adapter, power plug and power output with wet hand, otherwise electric shock may happen;
•
Do not overbend or pull the USB cable hard and do not place heavy articles on it, otherwise it may be damaged and fire or
electric shock may occur;
•
When pulling out the power plug, just hold the plug and do not pull the USB cable, otherwise it may be damaged and fire or
electric shock may occur.
•
Do keep power adapter out of reach of children so as to avoid damage.
•
Disconnect power supply before printer maintenance so as to avoid damage;
•
No power adapter is provided with the printer. All standard USB plugs are applicable to.