JP2006347664A5 - - Google Patents

Claims (5)

An image forming medium conveying unit that conveys the image forming medium by a conveying belt wound around a plurality of rollers;
An image recording unit for recording an image on the image forming medium conveyed by the conveyance belt;
A cleaning unit that contacts the transport belt and cleans the transport belt,
The image recording apparatus according to claim 1, wherein the cleaning unit comes into contact with the conveyor belt only when the conveyor belt rotates in a direction opposite to a rotation direction during image recording.   2. The image recording according to claim 1, wherein the cleaning unit switches between a cleaning state that abuts on the transport belt and a non-cleaning state that does not abut on the transport belt by switching a rotation direction of the transport belt. apparatus. The cleaning unit includes a cleaning blade for cleaning the transport belt;
A support roller having a contact roller that rotatably supports the cleaning blade and always contacts the transport belt at both ends;
When the conveyance belt rotates in the rotation direction during the image recording, the cleaning blade idles with respect to the support roller, and when the conveyance belt rotates in the direction opposite to the rotation direction, the support roller and the The image recording apparatus according to claim 1, wherein the cleaning blade rotates in the same direction, and the cleaning blade comes into contact with the conveyance belt.   The image recording apparatus according to claim 3, wherein the contact roller is provided on the support roller with an interval equal to or larger than a width of the image forming medium being conveyed. An image forming medium conveying unit that sucks and conveys an image forming medium to the surface by a suction unit via a conveying belt support member on a conveying belt wound around a plurality of rollers;
An image recording unit for recording an image on the image forming medium conveyed by the image forming medium conveying unit;
A cleaning blade that contacts the transport belt and cleans the transport belt;
The cleaning blade is disposed on the transport belt support member, and when the image is formed, the transport belt and the cleaning blade are brought into non-contact by the suction force of the suction portion. An image recording apparatus, wherein the cleaning blade is brought into contact with the conveying belt by making the suction force weaker than the suction force at the time of image formation.