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Image forming apparatus having a developer carrier that separates from a photosensitive member during sheet re-conveyance

  • US 9,557,694 B2
  • Filed: 03/20/2015
  • Issued: 01/31/2017
  • Est. Priority Date: 03/28/2014
  • Status: Active Grant
First Claim
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1. An image forming apparatus comprising:

  • a photosensitive member;

    a rotatable developer carrier;

    a transfer member configured to transfer a developer image on a recording sheet at a transfer position;

    a feeder mechanism defining a sheet feeding path for feeding the recording sheet to the transfer position, the feeder mechanism including a supply roller arranged on the sheet feeding path;

    a re-conveyance mechanism defining a re-conveyance path for re-conveying the recording sheet having passed through the transfer position to the transfer position again, the re-conveyance mechanism including a re-conveyance roller arranged on the re-conveyance path;

    an actuator configured to separate the developer carrier from the photosensitive member, anda control device configured to drive the actuator in a direction in which the developer carrier is separated from the photosensitive member, stop rotation of the developer carrier and stop rotation of the photosensitive member while the re-conveyance roller conveys the recording sheet.

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