| 摘要 |
A positioning device for a large ink-jet printer, it comprises a supporting rack having on one end thereof a slide portion to be movably connected to rails provided on the ink-jet printer, and each having on the other end thereof a positioning portion; and a light beam emitter is connected to the positioning portion for emitting light beams to position the area that the material being printed is located at. Thereby, an operator can accurately position materials to be printed with various sizes according to the positions indicated and positioned by the light beams, and an effect of ink-jet printing can be completely achieved.
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