Abstract: In an inkjet printing apparatus, heaters are enclosed with a heater casing, achieving accumulation of heated air and efficient performance of heating. A blowing fan blows air to the heaters. The heater casing includes a blowing port configured to narrow and blow warm air heated with the heaters to a transportation path outside the heater casing in a direction along the transportation path. The warm air narrowed at the blowing port obtains an increased air velocity thereof. In addition, uniform air-quantity distribution and uniform heat-quantity are obtainable. Moreover, the heaters face the transportation path. Consequently, the heaters are provided closer to the transportation path than a conventional external heater. This suppresses heat loss.

Abstract: In an inkjet printing apparatus, heaters are enclosed with a heater casing, achieving accumulation of heated air and efficient performance of heating. A blowing fan blows air to the heaters. The heater casing includes a blowing port configured to narrow and blow warm air heated with the heaters to a transportation path outside the heater casing in a direction along the transportation path. The warm air narrowed at the blowing port obtains an increased air velocity thereof. In addition, uniform air-quantity distribution and uniform heat-quantity are obtainable. Moreover, the heaters face the transportation path. Consequently, the heaters are provided closer to the transportation path than a conventional external heater. This suppresses heat loss.

Abstract: An inkjet recording apparatus includes color inkjet heads 11, 12, 13, 14, 15 and 16 and a white inkjet head 17 arranged in different positions with respect to a secondary scanning direction. When recording an image in a pre-white process, a recording medium S is moved in a direction of arrow A. When recording an image in a post-white process, the recording medium S is moved in a direction of arrow B. Thus, the inkjet recording apparatus is simple in construction entailing no increase in the cost of the apparatus, and yet is capable of selectively performing both the pre-white process for printing in white ink first, and then printing in color inks, and the post-white process for printing in color inks first, and then printing in white ink.

Abstract: For replacing a cassette 9 in an automatic loader section 4, an operation of retracting the cassette 9 to a cassette accommodation section 3 is performed in parallel with an operation of inserting a new cassette 9 from the cassette accommodation section 3 to the automatic loader section 4. Accordingly, the time required by the automatic loader section 4 for the cassette replacement operation is the same as the longer time among the time for retracting the cassette and the time for inserting the cassette. Thus, the time in which the automatic loader section 4 must stop the transportation of the image recording materials can be shortened.

Abstract: For replacing a cassette 9 in an automatic loader section 4, an operation of retracting the cassette 9 to a cassette accommodation section 3 is performed in parallel with an operation of inserting a new cassette 9 from the cassette accommodation section 3 to the automatic loader section 4. Accordingly, the time required by the automatic loader section 4 for the cassette replacement operation is the same as the longer time among the time for retracting the cassette and the time for inserting the cassette. Thus, the time in which the automatic loader section 4 must stop the transportation of the image recording materials can be shortened.