Liquid ejection head and image-forming apparatus using the same

Details Liquid ejection head and image-forming apparatus using the same Liquid ejection head and image-forming apparatus using the same

B - Operations, Transporting

41

J

B41J 2/145 (2006.01) B41J 2/14 (2006.01) B41J 2/15 (2006.01)

Patent

CA 2400881

A liquid ejection head according to the present invention includes a plurality of ejection openings arranged in a first direction and a plurality of electrothermal transducers for ejecting liquid from the ejection openings, the liquid ejection head and a printing medium being subjected to the relative movement, wherein an arrangement pitch of the ejection openings forming an end group located in the respective opposite end section along the first direction is longer than an arrangement pitch of the ejection openings forming a central group located in the central section along the first direction. According to the present invention, it is possible to eliminate white streaks which may generate in a solid printing.

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