• If setting is incorrect:Reinstall the MP Drivers from the Setup CD-ROM or the Canon website.• Printing does not start even though the machine is connected to the computer using a USB cable andthe port named "USBnnn" is selected:In Windows 8.1 or Windows 8, select My Printer on Start screen to start My Printer. If My Printer isnot displayed on Start screen, select Search charm, and then search for "My Printer".Set the correct printer port on Diagnose and Repair Printer. Follow the on-screen instructions to setthe correct printer port, and then select your machine's name.In Windows 7, Windows Vista, or Windows XP, click Start and select All programs, Canon Utilities,Canon My Printer, Canon My Printer, and then select Diagnose and Repair Printer. Follow the on-screen instructions to set the correct printer port, and then select your machine's name.If the problem is not resolved, reinstall the MP Drivers from the Setup CD-ROM or the Canon website.• Printing does not start even though the port named "CNBJNP_xxxxxxxxxx" is selected when themachine is used over LAN:Launch IJ Network Tool, select "CNBJNP_xxxxxxxxxx" as you checked in step 4, and then associatethe port with the printer using Associate Port in Settings menu.If the problem is not resolved, reinstall the MP Drivers from the Setup CD-ROM or the Canon website.Check9 Is print data extremely large? (Windows)Click Print Options on Page Setup sheet of the printer driver. Then set Prevention of Print Data Loss to On inthe dialog that appears.* This may reduce print quality.Check10 If printing from your computer, restart computer.874