1. A tape printing apparatus for printing a print image onto a tape of at least one type having a particular non-printing area corresponding to the type of the tape, the apparatus comprising: basic image storage means for storing basic image data serving as a source of print image data; non-printing area information storage means for storing non-printing area information indicating the non-printing area corresponding to the type of the tape; tape type setting means for setting the type information of the tape that is loaded; print image producing means for producing the print image data with the basic image data masked based on the non-printing area information corresponding to the type information of the loaded tape; and detecting means for detecting whether a fold line is formed in the non-printing area of the tape.