Recording apparatus having conveying belt and sensor detecting position of conveying belt

A recording apparatus comprising:

• a recording section configured to record an image on a recording medium;
• an endless conveying belt having a surface disposed in confrontation with the recording section and configured to move in a conveying direction with the recording medium supported by the surface, thereby conveying the recording medium in the conveying direction;
• a measuring section having a detecting region and configured to measure a position of the conveying belt with respect to a perpendicular direction that is perpendicular to the conveying direction, the measuring section comprising an optical sensor that is configured to detect the position of the conveying belt with respect to the perpendicular direction;
• and
• a sensor moving section configured to move the sensor based on a measurement result of the measuring section, such that the conveying belt is detected in the detecting region,
• wherein the sensor moving section is configured to move the sensor linearly in a direction intersecting the conveying direction,
• wherein the sensor moving section is configured to move the sensor such that a relative position of the conveying belt to the sensor is unchanged,
• wherein the measuring section is configured to measure a displacement velocity of the conveying belt in the perpendicular direction based on an amount of change per unit time of a position of the conveying belt in the perpendicular direction, and
• wherein the sensor moving section comprises a velocity determining section that is configured to determine a moving velocity of the sensor based on the displacement velocity measured by the measuring section, the sensor moving section being configured to move the sensor at the moving velocity determined by the velocity determining section.

A recording apparatus comprising:

• a recording section configured to record an image on a recording medium;
• an endless conveying belt having a surface disposed in confrontation with the recording section and configured to move in a conveying direction with the recording medium supported by the surface, thereby conveying the recording medium in the conveying direction;
• a measuring section having a detecting region and configured to measure a position of the conveying belt with respect to a perpendicular direction that is perpendicular to the conveying direction, the measuring section comprising an optical sensor that is configured to detect the position of the conveying belt with respect to the perpendicular direction;
• and
• a sensor moving section configured to move the sensor based on a measurement result of the measuring section, such that the conveying belt is detected in the detecting region,
• wherein the measuring section comprises:
• a plurality of optical sensors;
• and
• a support plate that supports the plurality of optical sensors, the measuring section being configured to measure a position of the conveying belt in the perpendicular direction based on detection results of the plurality of optical sensors,
• wherein the sensor moving section comprises a rotating section that is configured to rotate the support plate about a rotational center,
• wherein, when straight lines passing through the rotational center and each detecting region of the plurality of optical sensors are defined, the plurality of optical sensors is arranged such that neighboring ones of the straight lines form a predetermined angle therebetween and that projective detecting regions are arranged continuously along an imaginary straight line passing through the rotational center on the support plate, the projective detecting regions being defined by projecting each detecting region of the plurality of optical sensors onto the imaginary straight line along a rotational direction, and
• wherein the rotating section is configured to rotate the support plate such that detection is performed in the detecting region of one of the plurality of optical sensors.