| 摘要 |
An image forming apparatus selectively forms images on one or two sides of recording media. The apparatus includes an image forming engine, a port, a series of conveying rollers and guides, drivers and a microprocessor. The image forming engine forms images on the recording media. The port selectively receives a refeeder unit for receiving recording media having images formed on one side thereof by the image forming engine or a unit for storing unrecorded recording media. The series of conveying rollers and guides contact and convey the recording media, while the drivers drive the conveying rollers and guides. The microprocessor controls the image forming engine and the drivers of the conveying rollers and guides. The microprocessor enables the drivers of the conveying rollers and guides to convey recording media having images formed on one side thereof to the refeeder unit if the refeeder unit is mounted in the port and controls the drivers of the conveying rollers and guides to discharge recording media having images formed on one side thereof if the refeeder unit is not mounted in the port.
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