Patent ID: 8191471

Claim:
A print inspection apparatus for inspecting a paste print state on a printed wiring board after paste is printed on the printed wiring board via a mask sheet by a printer equipped with the mask sheet, comprising: a measuring device for measuring a quantity in connection with an amount of paste printed on the printed wiring board; a reference range setting device for setting a reference range for operative condition determination in terms of the quantity; and a comparing and determining device for comparing a measurement value by the measuring device with the reference range set by the reference range setting device to determine whether an operative condition of the printer is normal depending on whether the measurement value falls within the reference range, wherein the reference range setting device selectively sets a normal reference range and a special reference range for operative condition determination, and the special reference range is set for a smaller amount of paste than that for which the normal reference range is set, and the special reference range is set for a particular time immediately after cleaning of the mask sheet is performed, and the normal reference range is set for the other time than the particular time.