| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus which enables a printing part to be integrally replaced in a space-saving fashion without requiring a sufficient space above the apparatus. Ž<P>SOLUTION: In the image forming apparatus, a printing unit 110 is configured by unitization in which a printing mechanism part 120 including a carriage 121 and a main scanning motor 122, a sub scanning motor 145 for driving a conveying belt 144, a sub scanning conveying mechanism 140 including a belt drive shaft 146, a maintenance mechanism part 150 and a blank printing mechanism part 160 are mounted. Rails 115 provided in the printing unit 110 is received by rail guides arranged in a direction perpendicular to the recording sheet conveying direction at the image forming apparatus body side. The printing unit 110 is configured so as to be integrally drawn out at the front side of the apparatus and so as to be detachable in a drawn-out state. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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