To print an entire workbook:
Go to the File2 menu, and click Print. Or,
In Easy Mode, click the Print this Document button (in Advanced Mode, click the button that looks like a printer). Or,
Use the Ctrl+P keyboard shortcut.
A Print window will appear.
Under Print What, click Entire Workbook.
Click OK. All of the sheets of your current workbook will be sent to the printer.