The words printed by the thermal printer are very light

- Dec 04, 2018-

1. There is dust in the print head or heat sensitive area.

Turn off the power of the printer, open the top cover of the printer and wipe the area of the printer head with alcohol.

2. Reduce printing speed and deepen printing depth.

The printing speed is too fast to heat enough paper.

3. press the top cover tightly.

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