| 摘要 |
PROBLEM TO BE SOLVED: To efficiently prevent, with an inexpensive and simple constitution, foreign matters such as ink mist, chip and the other dust, etc., from adhering to a light source for illumination. SOLUTION: An illuminating means LS is arranged above a carriage 16 to make a distance between a center LSc of the illuminating means LS and a proximity ink jet nozzle 10a' closest to the center LSc of the illuminating means LS among a plurality of ink jet nozzles 10a larger than a distance between an optical axis 25a of an image read means 25 and the proximity ink jet nozzle 10a'.
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