If by "popup menu" you mean a shortcut menu, I don't believe you can do this. Access won't display a shortcut menu in response to DoCmd.ShowToolbar.
You could use an Office Toolbar-type CommandBar instead, but that has a little problem: it wouldn't be displayed modally, so the user could click the Print button to show the "menu", and then do something besides clicking a button on the menu. For instance, the user could close the form or click on another form, and the menu would be left displayed inappropriately.
What I would recommend is that you simulate a popup menu using an actual form. Set the form's Modal and Popup properties to Yes, and its Border Style to None. Use command buttons with the Flat special effect to print the reports. When the user clicks the Print button, you just open the form. When the user clicks one of the menu buttons, open the report and close the popup form.
Include a Cancel button to let the user close this form without selecting any report. (Normally, clicking outside the menu would make it disappear, but you can't make that work with a form.)
Rick Sprague
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