| 摘要 |
A document feeder of an image forming apparatus includes a guide that arranges a width of a recording medium. A recording medium pickup module picks up the recording medium. A recording medium pickup module shifting unit shifts the recording medium pickup module in association with the movement of the guide. The recording medium pickup module includes a guide rack connected to the guide at one end. A pinion unit supports reciprocating motion of the guide rack. A pickup rack engaged with the pinion unit linearly reciprocates in parallel with the guide rack, and is connected to the recording medium pickup module.
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