| 摘要 |
Apparatus for balancing a printing roller having an image producing area thereon, includes a detector for detecting any unbalance of the printing roller during rotation thereof. A computer determines weight adjustments of the printing roller that are required to correct the unbalance, in response to the detection. A laser is controlled by the computer to remove material, in response to the determination, from at least one engraveable plate mounted on the outer surface of the printing roller or from the printing roller itself, in an area outside of the image producing area, in order to balance the printing roller.
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