Patent ID: 8717583

Claim:
A printing apparatus that feeds at least one tab sheet of a plurality of tab sheets from a sheet storage unit and inserts the at least one tab sheet to at least one predetermined position of one copy of a printout comprising N recording sheets, the printing apparatus comprising: a printing unit configured to output the printout; a first determining unit configured to determine whether said printing unit outputs the printout from a first recording sheet or from an N-th recording sheet; a second determining unit configured to determine whether the sheet storage unit stores the plurality of tab sheets in a first order for inserting the plurality of tab sheets in the printout output from the first recording sheet or in a second order for inserting the plurality of tab sheets in the printout output from the N-th recording sheet; a control unit configured to permit said printing unit to output the printout from the N-th recording sheet in a case where said first determining unit determines that said printing unit output the printout from the N-th recording sheet and said second determining unit determines that the sheet storage unit stores the plurality of tab sheets in the second order; and a display control unit configured to control a display unit to display an error message in a case where said first determining unit determines that said printing unit outputs the printout from the N-th recording sheet and said second determining unit determines that the sheet storage unit stores the plurality of tab sheets in the first order.