| 摘要 |
Colour printing apparatus comprising a printhead (20); means for presenting a surface (12) to the printhead for printing; means for effecting a relative traverse of the surface and the printhead, the printhead comprising print elements adapted to print the surface with pixels in swaths of different colours side by side in a repeating pattern during said relative traverse; means for relatively indexing the printhead and the surface in a direction other than the direction of relative traverse; and means for controlling the traversing means, the indexing means and the print elements whereby to effect at least one further relative traverse and to effect said relative indexing between traverses so that the or each further traverse at least partially overprints at least one previously printed swatch of pixels with a further swath in a different colour in registry therewith.
|
