Sheet conveying device and image recording apparatus comprising sheet conveying device

An image recording apparatus comprising:

• a recording unit configured to record an image on a sheet conveyed along a first path in a sheet conveying direction;
• a first convey roller disposed in the first path;
• a second convey roller disposed in the first path downstream from the first convey roller and upstream from the recording unit in the sheet conveying direction;
• a driving unit configured to independently drive each of the first convey roller and the second convey roller;
• and
• a controller configured to control the driving unit in a particular mode such that:
• the first convey roller rotates in a forward direction to convey a sheet along the first path in the sheet conveying direction,
• the second convey roller rotates in a forward direction to convey the sheet along the first path in the sheet conveying direction, wherein the first convey roller conveys the sheet such that a leading edge of the sheet passes through a nip of the second convey roller,
• the second convey roller rotates in a reverse direction by a first rotation amount corresponding to a first linear distance to convey the sheet in a direction opposite to the sheet conveying direction, such that the leading edge of the sheet is released from the nip of the second convey roller, and
• in response to the rotation of the second convey roller in the reverse direction, the first convey roller rotates by a second rotation amount corresponding to a second linear distance to convey the sheet in the reverse direction opposite to the sheet conveying direction, such that the leading edge of the sheet contacts the nip of the second convey roller when the first convey roller has rotated by the second rotation amount and the second convey roller has rotated by the first rotation amount.

A sheet conveying device comprising:

• a first convey roller disposed in a first path;
• a second convey roller disposed in the first path downstream from the first convey roller in a sheet conveying direction;
• means for independently driving each of the first convey roller and the second convey roller;
• means for rotating the first convey roller in a forward direction to convey a sheet along the first path in the sheet conveying direction;
• means for rotating the second convey roller in a forward direction to convey the sheet along the first path in the sheet conveying direction, wherein the first convey roller conveys the sheet such that a leading edge of the sheet passes through a nip of the second convey roller;
• means for rotating the second convey roller in a reverse direction by a first rotation amount corresponding to a first linear distance to convey the sheet in a direction opposite to the sheet conveying direction, such that the leading edge of the sheet is released from the nip of the second convey roller;
• and
• in response to the rotation of the second convey roller in the reverse direction, means for rotating the first convey roller by a second rotation amount corresponding to a second linear distance in the reverse direction to convey the sheet in the direction opposite to the sheet conveying direction, such that the leading edge of the sheet contacts the nip of the second convey roller when the first convey roller has rotated by the second rotation amount and the second convey roller has rotated by the first rotation amount.