| 摘要 |
A printing head of a liquid discharge type includes a printing head structure, in which head chips, each of which has overlapped nozzle regions formed before and after an effective nozzle region, are disposed such that a front end position of an effective nozzle region of a head chip and a rear end position of an effective nozzle region of another head chip, the head chips being adjacent to each other, are aligned with each other with difference in level.
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