| 摘要 |
A printer system comprises a thermal printer, an ink transfer unit and a thermal printing unit. The ink transfer unit and the thermal printing unit can be selectively mounted in the thermal printer. The ink transfer unit has an ink reservoir in which liquid ink is stored. The thermal printing unit has an ink ribbon. When neither the ink transfer unit nor the thermal printing unit is mounted on the thermal printer, an image can be formed on a thermal recording sheet only by the thermal printer. When the ink transfer unit is mounted on the thermal printer, ink stored in the ink reservoir is transferred onto a recording sheet to form an image thereon. When the thermal printing unit is mounted on the thermal printer, ink contained in the ink ribbon is transferred onto the recording sheet.
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