30 2 Printing2.6 Print After Checking Printing Result -Proof PrintWhen the hard disk (optional) has been installed, you can use the proof print feature.Important• The hard disk may be damaged and erase important data saved in the hard disk. We recommend youback up your data.About Proof PrintProof Print is a feature that allows you to store the print data of multiple copies in the harddisk, print out only the first set to check the print result and if satisfactory, print the remainingcopies from the control panel.Note• Proof print data that has become redundant can be deleted using the control panel. For details, refer to“At the Control Panel” (P. 29).Senddata Store inprinterPrint only one documentIf result isOKIf result isnot OKStop printing using thecontrol panelPrint out remaining setsusing the control panel