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Dot position correction (color registration). The carriage moves across the
paper during printing, so the ink drops cannot fall vertically. The readings of the
DRESS sensor are used to adjust the timing of the piezo-electric elements in the
print heads that release the ink. Timing is adjusted for the height of the carriage
(and print heads), paper thickness, speed of the carriage, and print mode
(uni-directional or b-directional).
1. When a job starts, the horizontal motor switches on and moves the carriage (1)
across the paper so that the DRESS sensor (2) can detect the right and left edges
of the paper.
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Detailed Descriptions
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