Abstract: An inkjet image forming apparatus and a method to control the same. In the apparatus, a pickup roller picks up a print sheet from a cassette containing print sheets. Drive and Feed rollers convey the print sheet. A conveyor motor rotates the feed roller. A controller controls the speed of the conveyor motor around the time when a change is made to forces in which the drive and feed rollers apply to the print sheet. The print sheet is conveyed at normal speed while it is pinched by nips at both the drive and feed rollers and is conveyed slowly after its trailing end passes through the drive roller. This reduces the creation of white stripes on an image printed on the print sheet, caused by a change in force applied to the print sheet when leaving the drive roller after being pinched by nips of both the drive and feed rollers, thereby improving print quality.