| 摘要 |
An image recording apparatus wherein a first rack gear is not meshed with a second pinion gear when the second pinion gear faces a first moving end of a slide cam or when the second pinion gear faces a second moving end of the cam, and is meshed with the second pinion gear when a portion of the cam which faces the second pinion gear is displaced between the first and second moving ends, wherein a second rack gear is meshed with a third pinion gear over an area of the cam between the first and second moving ends, wherein teeth of a tooth chipped gear are partly chipped such that the second pinion gear faces the area of the cam, and wherein the second pinion gear is rotated relative to the third pinion gear due to play at least until the tooth chipped gear is meshed with a drive gear.
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