I'm not sure. many thing can go wrong.
First be sure your OS has all updates.
If you have a Mac, Repair permissions using the Disk Utility
Check with your Printer manufacturer for the latest drivers.
Check that Photoshop is fully updated. Some of these updates fix Print bugs.
One way Print issues have been fixed in Photoshop is to reset Preferences.
Hold down Ctrl-alt-shif or cmd-opt-shift, start Photoshop and answer "Yes" to delete the settings file.