Use the change event.

See Chip Pearson's page for an overview of events:

http://www.cpearson.com/excel/events.htm

--
Regards,
Tom Ogilvy

"Concrete Hippo" wrote in message
...
I have set up a tiny spreadsheet to print barcodes to an ASCII printer.
To make life simpler for the people that use it, I want to be able to run
the print macro when they press enter in the barcode number cell. What
would
be the simplest way of doing this.

The Concrete Hippo