Check Paper SizeSelect whether to check the size of paper that is fed from the paper source with the paper size set to . If youselect , the message forconfirmingthe paper size is displayed and the printing is stopped when the size of thepaper fed from the paper source does not match the print data.OffOn() or ●If the difference in size between the fed paper and the print data is not so large, it is possible that nomessage will be displayed and the printing will be continued even when the selected setting is .Substitute SizeSelect whether to print by substituting A4 size paper and Letter size paper with each other. If you select , Lettersize paper is used for printing when you havespecifiedA4 size paper for printing from a computer but the A4 sizepaper is not loaded in the machine.OffOn() or Auto Detect Ppr TypeYou can optimize the automatic paper type detection function (Auto Detect Ppr Type(P. 504)) depending on thepaper size that you use most frequently. We recommend that you normally use the factory default setting for thisfunction.Mode 1Mode 2Mode 3()Select themodeSetting Menu List422