A digital printing press comprising: a printing cylinder configured to hold and transport a cut sheet; a driving device including a printing cylinder drive motor configured to drive the printing cylinder; a phase detector configured to output detection data specifiable a phase of the printing cylinder; an inkjet nozzle head provided at a position facing the printing cylinder and configured to print the sheet; an abnormality detector provided at a position facing the printing cylinder and configured to detect an abnormality of one of the printing cylinder and the sheet; an abnormal portion confirmation switch; and a control device configured to control an operation of the driving device, wherein the control device includes a storage unit, a function of stopping the driving device when the abnormality detector detects the abnormality, and a function of operating the driving device based on the phase of the printing cylinder when the abnormality detector detects the abnormality and the phase of the printing cylinder when the driving device stops after abnormality detection, wherein, when the abnormal portion confirmation switch is operated, the angle of rotation of the printing cylinder is read out from the storage unit and the current phase of rotation of the printing cylinder is detected and an abnormality occurrence portion detected by the abnormality detector is moved to a predetermined confirmation position by rotating the printing cylinder drive motor in a reverse direction until the current phase of the printing cylinder matches the phase of the printing cylinder at the time of abnormality detection, the predetermined confirmation position being a position facing the abnormality detector. a printing cylinder configured to hold and transport a cut sheet; a driving device including a printing cylinder drive motor configured to drive the printing cylinder; a phase detector configured to output detection data specifiable a phase of the printing cylinder; an inkjet nozzle head provided at a position facing the printing cylinder and configured to print the sheet; an abnormality detector provided at a position facing the printing cylinder and configured to detect an abnormality of one of the printing cylinder and the sheet; an abnormal portion confirmation switch; and a control device configured to control an operation of the driving device, wherein the control device includes a storage unit, a function of stopping the driving device when the abnormality detector detects the abnormality, and a function of operating the driving device based on the phase of the printing cylinder when the abnormality detector detects the abnormality and the phase of the printing cylinder when the driving device stops after abnormality detection, wherein, when the abnormal portion confirmation switch is operated, the angle of rotation of the printing cylinder is read out from the storage unit and the current phase of rotation of the printing cylinder is detected and an abnormality occurrence portion detected by the abnormality detector is moved to a predetermined confirmation position by rotating the printing cylinder drive motor in a reverse direction until the current phase of the printing cylinder matches the phase of the printing cylinder at the time of abnormality detection, the predetermined confirmation position being a position facing the abnormality detector.