Reducing the print resolution will reduce ink consumption. However please note that the print quality will not be as sharp.

*To change the print resolution,

For Windows Users:

1. For Windows 2000 users:
   Click Start -> Settings -> Printers.
   
   For Windows  XP users:
   Click Start -> Printers and Faxes.
   
   For Windows Vista™ users:
   Click Start-> Control Panel -> Hardware and Sound-> Printers
   
   
2. Right click the printer icon and select Printing Preference.
   
3. Click the Advanced tab and choose the color icon.
   
4. In the Color/Grayscale section, verify that grayscale is selected when printing a black and white document. If color is selected, ink is wasted unnecessarily.
   
5. Click Apply -> OK.

For Mac OS X Users:

1. Select Print Settings from the print box.
2. Select Grayscale at Color/Grayscale section.