Maintenance and Troubleshooting
To clean the exterior of the printer, turn the printer off and use a soft cloth moistened with a mild detergent.
Battery Care
Charging the Battery
The printer’s battery is charged in the printer using an optional power supply. Power supplies are available for
•Plug the power supply into a power source appropriate for the adapter being used.
•Plug the power supply into the power connector on the side of the printer. The printer’s battery charging circuitry will analyze the condition of the battery and begin charging it if necessary.
•If the battery is not fully charged, charging will begin and the 
Battery Indicator will illuminate.
•When the battery is fully charged, the 
Battery Indicator will turn off. Charging may take up to 2½ hours depending on the condition of the battery.
•The printer may be used while the battery is charging, but this will extend the time required to fully charge the battery.
•The power supply may remain connected to the printer to keep the battery fully charged and will not cause damage to the printer or battery.
The printer’s battery status is displayed in the lower right corner of the front panel LCD Display. The status is displayed as a battery shape which indicates the relative capacity that remains as indicated below.
Fully Charged | Discharged |
Additional Battery and Safety Information
•All MLP 3040 series printers us a 7.4 volt 2200mAH Lithium Ion battery.
•The recommended ambient temperature for charging is
•Take the battery out of the printer when storing the printer for long periods of time. The battery storage temperature is
•Do not disassemble, short circuit, heat above 80°C, or incinerate the battery. The battery may explode.
•Only dispose of used batteries according to your local regulations. If you do not know your local regulations, the Rechargeable Battery Recycling Corporation (RBRC) is a
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