Cannot Print from excel only

According to M$, you may have a damaged default printer entry in the registry. Here are the steps they list to fix it.

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The Windows Registry Has a Damaged Default Printer Entry

1. Click Start, click Printers and Faxes, and then double-click Add a Printer.
2. Click Next, and then click Local printer attached to this computer.
3. Click to clear the Automatically detect and install my Plug and Play Printer check box, and then click Next.
4. Click LPT1 port, and then click Next.
5. In the Manufacturers box, click Generic.
6. In the Make/Model or Printers box, click Generic/Text Only, and then click Next.
7. In the Printer Name box, type TEST.
8. Under Do you want to use this printer as the default printer, click Yes.
9. Click Next, and then click Do Not Share this printer.
10. Click Next, and then click No under Do you want to print a test page.
11. Click Next, and then click Finish.
12. Click Start, click Printers and Faxes.
13. Right-click the Generic/Text Only printer or your other existing printer, and then click Set as Default.
14. Right-click your original printer, and then click Set as Default.

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This may or may not be the problem, but it certainly won't hurt to try it and see if the problem goes away. If it does work, after you've tested to make sure you can again print from Excel, you can delete the generic printer created by these steps.