Patent ID: 8262217

Claim:
An inkjet recording apparatus, comprising: an inkjet head which forms an image on a recording surface of a recording medium by ejecting ink to be deposited to the recording surface; a roller member which rotates in contact with the recording surface of the recording medium on which the image has been formed; an oil supply device which supplies oil to the roller member, the oil suppressing adherence of the ink to the roller member; a medium holding device which has a medium holding surface on which the recording medium is held while the roller member on which the oil has been deposited is making contact with the recording surface of the recording medium; and a cleaning sheet supply device which supplies a cleaning sheet to the medium holding device when a size of the recording medium is changed and an image is to be formed on a recording surface of the recording medium of large size compared to a size of the recording medium used before the change of size, the cleaning sheet removing the oil adhering to the medium holding surface of the medium holding device, wherein a Bristow permeability coefficient of the cleaning sheet with respect to water is not less than 0.1 ml/(m 2 ·msec 1/2 ) and not more than 0.5 ml/(m 2 ·msec 1/2 ).