Importantâ– Using this function slows down the print speed.Align heads manuallyUsually, the Print Head Alignment function of Test Print on the pop-up menu in the Canon IJ Printer Utility is setto automatic head alignment, but you can change it to manual head alignment.If the printing results are unsatisfactory even after you execute automatic head alignment, execute manual headalignment.Check this check box to perform the manual head alignment. Uncheck this check box to perform the automatichead alignment.Detect the paper width when printing from computerWhen you print from the computer, this function identifies the paper that was loaded into this machine.When the paper width detected by the machine differ from the width of the paper specified in Paper Size on thePrint dialog, a message is displayed.To use paper width detection when printing from the computer, select the check box.Importantâ– When you use a custom page size, correctly set the size of the paper loaded in the machine in the CustomPaper Sizes dialog.If an error message is displayed even though paper of the same size that was specified is loaded, uncheckthe Detect the paper width when printing from computer check box.3. Apply the settingsClick Apply and when the confirmation message appears, click OK.The machine operates with the modified settings hereafter.135