User’s Guide Replacing the Ink Cartridge If you need to replace the ink cartridge before it is low or expended, click the button on the Maintenance tab in your printer driver. & “Accessing the printer driver for Windows” on page 18 For more information on using the printer utilities, see the online help. For Mac OS X When you need to replace an expended ink cartridge, click How to in the status monitor window. Follow the on-screen instructions to replace the cartridge. For more information on using your computer to replace the ink cartridge, see the section below. & “For Mac OS X” on page 57 . 40