A method for inspecting at least one sheet (02) of sheets (02) using at least one inspection device (916) in a sheet processing machine (01), the at least one inspection device (916) detecting the at least one sheet (02), including at least partially detecting at least one sheet opening (1102L), for ascertaining an actual state of the at least one sheet (02), and comparing the actual state of the at least one sheet (02) to a desired state of the at least one sheet (02), the at least one sheet (02) detected by the at least one inspection device (916) including at least two multiple-ups (1101) and the at least one sheet opening (1102L), and the at least one sheet (02) including the at least two multiple-ups (1101), each including at least one print image.