Make sure the printer software settings are appropriate for the paper size you’re using.
The ink cartridges may be old or low on ink, and you may need to replace them.
Confirm the Skip Blank Page setting from your printer driver. For Windows, click the Speed & Progress button on the Maintenance window. For Mac OS X, confirm the Extension Settings in the printer options pop-up menu. If it is selected, blank pages in your data are not printed.
Try printing a different document to determine if the problem is limited to one document. If the problem is with one document, try recreating the document.