When your printer can't print checks or mailing labels using the fonts
you selected in QuickBooks, it automatically uses its preset fonts. If those
fonts are printing too large, try the following to correct this.
Choose a 12- or 15-cpi (characters per inch) setting for your printer. (Read your printer documentation for details.)
Change the fonts on your checks and mailing labels in QuickBooks.
Further review your printer documentation and/or explore the manufacturer's
Important: Text for the check dollar amount is preset by QuickBooks to Arial 10 point font, and can't be changed. All other text on the printed check may be changed using the Print Checks window and the Fonts tab.