An inkjet imaging device , comprising: at least one input device configured to provide print media (PM); a transport mechanism for transporting the provided print media (PM); a sensor device , configured to acquire sensor data related to a geometry or quality of the print media (PM) provided by the at least one input device ; an inkjet marking module configured to, in a print mode, eject ink to the print media (PM) provided by the at least one input device , wherein a print gap (PG) between at least one print head of the inkjet marking module and the transport mechanism is adjustable; a controller , wherein, in a preprint check mode, the controller is configured to: - control the inkjet marking module to increase the print gap (PG) above a print gap (PG) used in the print mode in order to reduce the risk of a print head collision, and to convey the print media (PM) through the inkjet marking module without ejecting ink to the print media (PM), and - determine, based on the sensor data acquired by the sensor device , whether the print media (PM) is suitable for printing; characterised by the inkjet imaging device further comprising a removal device arranged downstream of the inkjet marking module for removing print media (PM) after being conveyed through the inkjet marking module , wherein, in the preprint check mode, the controller is further configured to control the removal device to remove the print media (PM), if the controller determines that the print media (PM) is not suitable for printing. at least one input device configured to provide print media (PM); a transport mechanism for transporting the provided print media (PM); a sensor device , configured to acquire sensor data related to a geometry or quality of the print media (PM) provided by the at least one input device ; an inkjet marking module configured to, in a print mode, eject ink to the print media (PM) provided by the at least one input device , wherein a print gap (PG) between at least one print head of the inkjet marking module and the transport mechanism is adjustable; a controller , wherein, in a preprint check mode, the controller is configured to: - control the inkjet marking module to increase the print gap (PG) above a print gap (PG) used in the print mode in order to reduce the risk of a print head collision, and to convey the print media (PM) through the inkjet marking module without ejecting ink to the print media (PM), and - determine, based on the sensor data acquired by the sensor device , whether the print media (PM) is suitable for printing; - control the inkjet marking module to increase the print gap (PG) above a print gap (PG) used in the print mode in order to reduce the risk of a print head collision, and to convey the print media (PM) through the inkjet marking module without ejecting ink to the print media (PM), and - determine, based on the sensor data acquired by the sensor device , whether the print media (PM) is suitable for printing; characterised by the inkjet imaging device further comprising a removal device arranged downstream of the inkjet marking module for removing print media (PM) after being conveyed through the inkjet marking module , wherein, in the preprint check mode, the controller is further configured to control the removal device to remove the print media (PM), if the controller determines that the print media (PM) is not suitable for printing. <EOS>