Canon imagePROGRAF iPF6400 - Manual (Page 305)

3
Select the print history you wish to delete from Print
History in the Print History Details dialog box, and
click the Delete button.
4
Click the OK button.
5
Click the OKbutton to close the Print History Details
dialog box.
iPF6400 Delete Print History
User's Guide
Windows Software
Print Plug-In for Photoshop / Digital Photo Professional
305