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8. Maintain
8.1 Daily maintain
1. Regularly clean the printer head with absolute alcohol.
2. If the water enter into the printer inside please remove the battery.
3. If won't use the printer for a long time please remove the battery.
4. Regularly clean the printer shell & the rubber cover roller with dry cloth.
8.2 Thermal paper
1. Please store the thermal paper in suitable environment to avoid direct sunshine.
2. Don't open the wrapping paper before using it.
3. Store the printed bill in normal temperature environment.
4. Please select the long-term thermal paper for long time storage.
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